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The Meteor spacecraft are weather observation satellites launched by the Soviet Union and Russia since the Cold War. The Meteor satellite series was initially developed during the 1960s. The Meteor satellites were designed to monitor atmospheric and sea-surface temperatures, humidity, radiation, sea ice conditions, snow-cover, and clouds. Between 1964 and 1969, a total of eleven Soviet Union Meteor satellites were launched.

Satellites

Unlike the United States, which has separate civilian and military weather satellites, the Soviet Union used a single weather satellite type for both purposes.

Meteor Prototype

Meteor Prototype launches

Meteor-1

Meteor-1 was a set of fully operational Russian meteorological satellite launched from the Plesetsk site. The satellites were placed in a near-circular, near-polar prograde orbit to provide near-global observations of the earth's weather systems, cloud cover, ice and snow fields, and reflected and emitted radiation from the dayside and nightside of the earth-atmosphere system for operational use by the Soviet Hydrometeorological Service. 31 satellites were launched between 1969 and 1981.

Meteor-1 launches

Meteor-1-25, also called "Meteor-Priroda-2", launched on 15 May 1976 by the USSR out of Plesetsk on a Vostok-2M. It was a meteorological satellite that provided global observations of the earth's weather systems, cloud cover, ice and snow fields, vertical profiles of temperature and moisture, and reflected and emitted radiation from the dayside and nightside of the earth-atmosphere system for operational use by the Soviet Hydrometeorological Service. It carried an East German-designed experimental infrared Fourier spectrometers for on-orbit testing of the new instrument for weather observation. The satellite ceased operations on three years later and is now a derelict spacecraft.

Meteor-2

The Meteor-2 series, based on the Meteor-1, was the second generation of Soviet meteorological satellites. They were launched into orbit at first by the Vostok-2M launch vehicle until that was replaced by the Tsyklon-3 launch vehicle in the early 1980s. Between 1975 and 1993, 21 Meteor-2's were launched. They were flown in non-sun-synchronous polar orbits with altitudes between 850 and 950 km and inclinations of 81-82º. They weighed about 1,300 kg and had two solar arrays.

The instruments consisted of three television-type (frame technique) VIS and IR scanners, a five-channel scanning radiometer and a radiometer (RMK-2) for measuring radiation flux densities in the near-Earth space.

In addition to its regular payload, Meteor-2-21 carried a unique Fizeau Retro Reflector Array (RRA) for Satellite Laser Ranging applications.

Several of the satellites have begun to break up and create debris. #16 broke up in 1998 after a propulsion failure. #18 broke up the following year for unknown reasons. #4 broke up in March 2004. #17 broke up in June 2005.

Meteor-2-2

Meteor 2-2 launched on 6 January 1977 by the USSR out of Plesetsk on a Vostok 2-M with 1st Generation Upper Stage. It was an earth science satellite that performed cloud observation and IR temperature/humidity sounding. It ceased operations on 6 July 1978. Since then, the satellite had broken up into several pieces of debris.

Meteor-2-5

Meteor 2-5 launched on 31 October 1979 by the USSR out of Plesetsk on a Vostok 2-M with 1st Generation Upper Stage. It has undergone several breakup events, the first before January 2005 and the last as recently as 2013 or 2014, resulting in 83 known pieces of which 60 were still on-orbit as of 2019.

Meteor-2-6

Meteor 2-6 launched on 9 September 1980 by the USSR out of Plesetsk on a Vostok 2-M with 1st Generation Upper Stage. It was an Earth Science/Weather satellite that gathered meteorological information and data on penetrating radiation fluxes in circumterrestrial space. It has since broken apart into multiple pieces of space debris.

Meteor 2-7

Meteor 2-7 launched on May 14, 1981, by the USSR out of Plesetsk on a Vostok 2-M with 1st Generation Upper Stage. It had a weight of 2,750 kg, and contained the usual suite of communication and orbit control equipment powered by large solar arrays. Its mission was cloud observation and IR temperature/humidity sounding, using a Radiation Measurement Complex (RMk-2), Infrared Sounding Radiometer, Television Camera and Infrared Instrument. It ceased operations on 14 November 1982. In March 2004, it experienced an event, or a series of events, that caused it to break into 8 pieces. The cause of this break-up is unknown.

Meteor 2-8

Meteor 2-8 launched on 25 March 1982 by the USSR out of Plesetsk on a Tsyklon-3 It had a weight of 1,500 kg, and It carried scientific and meteorological instruments, and service systems. Its mission was cloud observation and IR temperature/humidity sounding, using a Radiation Measurement Complex (RMk-2), Infrared Sounding Radiometer, Television Camera and Infrared Instrument. It ceased operations on 25 September 1983. On 29 May 1999, it experienced a break-up event that caused it to break into 53 pieces. The cause of this break-up is unknown.

Meteor-2-21

Meteor-2-21/Fizeau is the twenty-first and last in the Meteor-2 series of Russian meteorological satellites.

ILRS Mission Support Status: Satellite Laser Ranging (SLR) tracking support of this satellite was discontinued in October 1998. What makes Meteor-2-21 distinctive from the other meteorological satellites is its unique retroreflector array. The name Fizeau is derived from a French physicist, Armand Fizeau who, in 1851, conducted an experiment which tested for the aether convection coefficient. SLR tracking of this satellite was used for precise orbit determination and the Fizeau experiment. The Fizeau experiment tests the theory of special relativity – that distance events that are simultaneous for one observer will not be simultaneous for another observer who is in motion relative to the first observer.

Retroreflector Array (RRA) Characteristics: The retro-reflector array consists of three corner cubes in a linear array with the two outer corner cubes pointing at 45-degree angles relative to the central cube. The central cube is made of fused silica and has a two-lobe Far Field Diffraction Pattern (FFDP) providing nearly equal intensities for compensated and uncompensated velocity aberration. Both outer reflectors have aluminum coating on the reflecting surfaces and near-diffraction-limited FFDPs. One of the end reflectors is made of fused silica with an index of refraction of 1.46 and should provide partial compensation of the velocity aberration. The other end reflector is made of fused glass with an index of refraction of 1.62 and should provide a perfect compensation of the velocity aberration.

SLR full-rate data from MOBLAS 4, MOBLAS 7, and Maidanak seem to confirm the presence of the compensating influence of the Fizeau effect. Resur-1, another Russian satellite launched in 1994, has 2 corner cubes reflectors with near diffraction-limited FFDPs, which were specifically designed for the continuation of this experiment. WESTPAC, a future SLR satellite, will verify indisputably the existence or otherwise of the Fizeau effect.

Instrumentation: Meteor-2-21/Fizeau had the following instrumentation on board:

1. Scanning telephotometer
2. Scanning infrared radiometers
3. Radiation measurement complex
4. Retroreflector array

Meteor-Priroda

Meteor-Priroda is a series of experimental satellites launched. Internal document of Russian space agency show that it is originally only used to describe Meteor 1-31 at the time, but later extend to all experimental satellites. It is commonly perceived to only include 6 satellites: Meteor 1-18, Meteor 1-25, Meteor 1-28, Meteor 1-29, Meteor 1-30, and Meteor 1-31. Evidence suggest that Kosmos 1484 should also be included.

Meteor-Priroda series is considered to be prototypes for the Resurs O1 satellites.

Meteor-Priroda launches

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Meteor-3

The Meteor-3 series was launched 7 times between 1984 and 1994 after a difficult and protracted development program that began in 1972. All the satellites were launched on Tsyklon-3 rockets. These satellites provide weather information including data on clouds, ice and snow cover, atmospheric radiation and humidity. The Meteor-3 class of satellites orbit in a higher altitude than the Meteor-2 class of satellites thus providing more complete coverage of the Earth's surface. The Meteor-3 has the same payload as the Meteor-2 but also includes an advanced scanning radiometer with better spectral and spatial resolution and a spectrometer for determining total ozone content. Meteorological data is transmitted to four primary sites in the former Soviet Union in conjunction with about 80 other smaller sites.

Meteor-3 launches

Meteor-3-5

Meteor-3-5, launched in 1991, is in a slightly higher orbit than Meteor-2-21, and operated until 1994. It transmitted on 137.300 MHz. Mechanically, it is similar to Meteor-2-21. Which satellite was in operation depended on the sun angles and consequently the seasons. Meteor-3-5 was usually the (Northern Hemisphere) "summer" satellite while 2-21 was in operation for approximately the half-year centered on winter. The satellite carried the second Total Ozone Mapping Spectrometer (TOMS) aloft as the first and the last American-built instrument to fly on a Soviet spacecraft. Launched from the Plesetsk, Russia, facility near the White Sea, on 15 August 1991, Meteor-3 TOMS had a unique orbit that presents special problems for processing data. Meteor-3 TOMS began returning data in August 1991 and stopped in December 1994.

Meteor-3-6/PRARE

The Meteor-3-6/PRARE satellite is the sixth in the Russian Meteor-3 series of meteorological satellites launched in 1994.

ILRS Mission Support Status: Satellite laser ranging and PRARE data was used for precision orbit determination and intercomparison of the two techniques. ILRS tracking support of this satellite was discontinued on 11 November 1995.

Instrumentation: Meteor-3-6 has the following instrumentation on board:

1. Scanning TV-sensor
2. Visible light and infrared radiometers
3. Scanning infrared radiometer
4. Ozone Mapper
5. Precise Range and Range-Rate Equipment (PRARE)
6. Retroreflector array

RetroReflector Array (RRA) Characteristics: The retro-reflector array is a box wing annulus with a diameter of 28 cm and has 24 corner cube reflectors.

Meteor-3M

The Meteor-3M series of satellites was to be an advanced series of polar orbiters with one 1.4 km resolution visible channel and a ten-channel radiometer with 3 km resolution. Initially four Meteor-3M satellites were planned, however due to financial difficulties only one was launched.

Meteor-M

The first Meteor-M satellite, Meteor-M No.1, was launched 17 September 2009 at 16:55:07 UTC from Baikonur by a Soyuz-2-1b/Fregat rocket. Its mission ended in 2014.

The second satellite, Meteor-M No.2, was launched 8 July 2014 at 16:58:28 UTC from Baikonur by a Soyuz-2-1b/Fregat rocket. Its mission is scheduled to last 5 years.

On 27 November 2017, the launch of Meteor-M No.2-1 was lost after a programming error; also lost were 18 smaller satellites from other nations.

On 5 July 2019, the replacement satellite for the failed Meteor-M No.2-1 satellite, the Meteor-M No.2-2 (also known as Meteor M2-2) was launched from Vostochny Cosmodrome.

On 18 December 2019, image downlink from Meteor-M No.2-2 ceased. Tracking revealed the craft had suffered degradation in orbit with a 2 km (1.2 mi) decrease in perigee. NORAD was not able to identify any space object involved in a collision. Roscosmos later confirmed that the satellite had suffered a decompression of its thermal control system following what is presumed to be a micrometeoroid impact. Following the incident, the spacecraft was automatically switched into a low-power mode and ground operators worked to restore the satellite's orbit and orientation. By 25 December 2019, the satellite had resumed controlled flight, but the future of its mission remains uncertain.

More Meteor-M satellites are currently being developed. Meteor-M No.2-3 was successfully launched on 27 June 2023, with three more satellites in various stages of development. Meteor-M No.2-4 was successfully launched on 29 February 2024 at 05:43 UTC, while Meteor-M No.2-5 is scheduled to be launched later in 2024, and No.2-6 in 2025.

Meteor-M launches

See also

• Elektro–L, Russian geosynchronous meteorological satellites

References

1. Soviet Weather Satellite Falls in Antarctica, RIA Novosti on SpaceDaily.com, 28 March 2012
2. Hendrickx, Bart; Day, Dwayne A. (2 January 2024). "The Space Review: Diamonds and DORIANS: The Soviet Union's Almaz and the United States' Manned Orbiting Laboratory military space stations (part 3)". The Space Review. Retrieved 3 January 2024.
3. ^ "Meteor-1". space.skyrocket.de. Retrieved 4 April 2016.
4. ^ "Meteor - eoPortal Directory - Satellite Missions". directory.eoportal.org. Retrieved 5 April 2016.
5. ^ "П. А. Румянцев. Космическая система Метеор". epizodsspace.airbase.ru. Retrieved 4 April 2016.
6. "Meteor 1-25 - Satellite Information". Heaven's Above. Retrieved 24 January 2023.
7. "Satellite: Meteor-P2". Retrieved 24 January 2023.
8. "Meteor-2 (11F632)". Retrieved 26 November 2022.
9. Gates, D.; Anz-meador, P. "An 82o Inclination Debris Cloud Revealed by Radar" (PDF). Retrieved 26 November 2022.
10. ^ "Meteor-2". Retrieved 14 December 2022.
11. "Satellite: Meteor 2-2". OSCAR. Retrieved 17 January 2023.
12. "HISTORY OF ON-ORBIT SATELLITE FRAGMENTATIONS" (PDF). Retrieved 24 December 2022.
13. "An 82o Inclination Debris Cloud Revealed by Radar" (PDF). Retrieved 24 December 2022.
14. "Meteor 2-6". Retrieved 21 March 2023.
15. "Launches of September 1980". Retrieved 21 March 2023.
16. "Meteor 2-7". Retrieved 14 December 2022.
17. "Satellite: Meteor-2-7". Retrieved 14 December 2022.
18. Anz-Meador, Phillip D.; Opiela, John N.; Shoots, Debra (4 July 2018). HISTORY OF ON-ORBIT SATELLITE FRAGMENTATIONS (PDF). Retrieved 14 December 2022.
19. "Meteor 2-7". Retrieved 1 January 2023.
20. "Satellite: Meteor-2-8". Retrieved 14 December 2022.
21. Gates, D.; Anz-Meador, P. (2019). "An 82o Inclination Debris Cloud Revealed by Radar" (PDF). First International Orbital Debris Conference. 2109: 2. Bibcode:2019LPICo2109.6038G. Retrieved 18 January 2023.
22. Meteor-2 Archived 11 October 2011 at the Wayback Machine, Encyclopedia Astronautica, accessed 17 September 2013
23. "Satellite Programme: Meteor-Priroda". OSCAR. Retrieved 5 December 2024.
24. Pardini, Carmen (1 February 2005). "Survey of past on-orbit fragmentation events". Acta Astronautica. 56 (3): 379–389. doi:10.1016/j.actaastro.2004.05.065. ISSN 0094-5765.
25. "Meteor-Priroda". space.skyrocket.de. Retrieved 5 April 2016.
26. ^ "Meteor-3". www.astronautix.com. Archived from the original on 26 October 2010. Retrieved 19 April 2016.
27. "Meteor-3 (17F45)". space.skyrocket.de. Retrieved 19 April 2016.
28. "Космодром "Плесецк" | Информационный бюллетень №27". www.plesetzk.ru. Retrieved 19 April 2016.
29. "Meteor satellite". www.russianspaceweb.com. Archived from the original on 10 April 2016. Retrieved 3 April 2016.
30. Zak, Anatoly (15 November 2022). "The Meteor-M series". russianspaceweb.com. Retrieved 12 February 2023.
31. Russian satellite lost after being set to launch from the wrong spaceport: Deputy prime minister admits programmers gave the US$45 million device coordinates for Baikonur rather than Vostochny cosmodrome
32. Soyuz 2-1B launch with Meteor-M ends in apparent Fregat-M failure
33. Zak, Anatoly (4 August 2022). "Soyuz launches fresh Meteor weather watcher and 32 small satellites". russianspaceweb.com. Retrieved 12 February 2023.
34. "На Российском спутнике METEOR M2-2 произошла нештатная ситуация | R4UAB". r4uab.ru. Retrieved 23 December 2019.
35. "О ситуации с КА "Метеор-М" № 2-2". roscosmos.ru. Retrieved 25 December 2019.
36. Zak, Anatoly (27 June 2023). "Soyuz launches a Meteor weather satellite and 42 hitchhikers". RussianSpaceWeb. Retrieved 28 June 2023.
37. "Спутник "Метеор-М" запустят на орбиту 29 февраля, сообщил источник" [The Meteor-M satellite will be launched into orbit on February 29, source says]. RIA Novosti (in Russian). 20 January 2024. Archived from the original on 21 January 2024. Retrieved 21 January 2024.
38. "Спектрометр спутника "Метеор-МП" будет давать в два раза больше данных" [Meteor-MP satellite spectrometer will provide twice as much data]. RIA Novosti (in Russian). 19 July 2022. Retrieved 1 August 2022.

External links

• VNIIEM description of Meteor-M
• Sputnik server
• eoPortal Meteor overview
• NOAA description of Meteor
• NASA - Goddard Space Flight Center Scientific Visualization Studio
• NASA International Laser Ranging Service (ILRS)
  • NASA ILRS Meteor 3-6
  • NASA ILRS Meteor 2-21/Fizeau
  • NASA ILRS Meteor 3M

v t e Soviet and Russian space program
Roscosmos
Launch sites	Baikonur Cosmodrome (in Kazakhstan) Dombarovsky Kapustin Yar Plesetsk Cosmodrome Svobodny Cosmodrome (defunct) Vostochny Cosmodrome
Launch vehicles	Angara Proton Soyuz
Human spaceflight programs	Past Vostok Voskhod Salyut Almaz (incorporated into Salyut program) / TKS Soyuz-Apollo (joint) Mir Shuttle–Mir (joint) Energia / Buran Cancelled Zond (7K-L1) (Moon flyby) Soviet crewed lunar programs (Moon landing) Zvezda (moonbase) TMK (Mars/Venus flyby) Spiral Zvezda Zarya MAKS Kliper Active International Space Station (joint) Russian Orbital Segment Soyuz In development Orel
Robotic programs	Past Dnepropetrovsk Sputnik (1961–1982) Prognoz (1972–1996) Luna (1958–1976) Venera (1961–1985) Zond (1964–1970) Astron (1983-1991) Vega (1984-1987) Phobos (failed) (1988-1989) Granat (1989-1998) Gamma (1990-1992) Mars 96 (failed) (1996) Resurs-DK No.1 (2006-2016) CORONAS (1994-2009) Fobos-Grunt (failed) (2011) Spektr-R (2011–2019) Luna 25 (failed) (2023) Cancelled Kazachok Active Bion-M Elektro–L Trace Gas Orbiter (joint) Meteor-M Resurs-P Spektr-RG In development Luna-Glob Luna 26 Luna 27 Luna 28 Spektr-UV
Communications	Sputnik (begun 1957) Sputnik 1 Sputnik 2 Sputnik 3 Sputnik 41 Sputnik 99 Luch Deep Space Network
Concepts	Baikal-Angara Laplace-P Mars-Grunt Mercury-P OPSEK Spektr-M Venera-D Sfera
Images and artwork	Mission patches
Related	List of cosmonauts Cosmonaut ranks and positions Pilot-Cosmonaut of the Russian Federation Soviet space dogs Laika Belka and Strelka Veterok and Ugolyok Ivan Ivanovich Soviet space exploration history on Soviet stamps Cosmonauts Alley Monument to the Conquerors of Space Memorial Museum of Cosmonautics Out of the Present (1995 documentary) Mission to Mir (1997 documentary)
See also: Space industry of Russia Russian Aerospace Defence Forces

• Weather satellites of the Soviet Union
• Weather satellites of Russia
• Earth observation satellites of the Soviet Union
• Satellite series
• Derelict satellites orbiting Earth
• Spacecraft that broke apart in space