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This article is about the German satellite. For the unrelated family of enzymes, see TET1.

TET-1
Spacecraft properties
TET-1 undergoing testing

Mission type	Technology
Operator	DLR
COSPAR ID	2012-039D
SATCAT no.	38710


Manufacturer	Kayser-Threde GmbH


Start of mission
Launch date	22 July 2012, 06:41 (2012-07-22UTC06:41Z) UTC
Rocket	Soyuz-FG/Fregat
Launch site	Baikonur 31/6


End of mission
Last contact	17 November 2022
Decay date	18 November 2022


Orbital parameters
Reference system	Geocentric
Regime	Low Earth

TET-1 (German: Technologieerprobungsträger 1, Technology Experiment Carrier) was a microsatellite operated by the German Space Operations Center of the German Aerospace Center. It was the centre of the OOV (On Orbit Verification) Program, initiated to offer on-orbit verification possibilities to the German industrial and scientific aerospace community. TET was based on the satellite bus used for the BIRD satellite, which was launched in 2001.

The main contractor for Phase A (feasibility) was IABG. The final contract for Phases B, C, and D (definition/qualification, and production) and start was given to Kayser-Threde GmbH, a medium-sized aerospace company based in Munich belonging to the German OHB-System group. The environmental qualification was successfully conducted in the IABG space simulation centre in Munich.

TET-1 was carried to orbit as a secondary payload on a Soyuz-FG/Fregat carrier rocket which was launched from the Baikonur Cosmodrome on 22 July 2012. The primary payload of the launch was the Kanopus-V1 satellite, with the BelKA-2, Zond-PP and exactView-1 satellites also flying on the same rocket.

After 10 years in orbit, the TET-1 satellite re-entered into the atmosphere on 18 November 2022.

References

^ Bergin, Chris (22 July 2012). "Russian Soyuz-FG successfully launches five satellites". NASASpaceflight.com. Retrieved 22 July 2012.
"Das On-Orbit-Verifikations-Programm" [The On-Orbit-Verification-Program]. DLR Portal (in German). DLR. Retrieved 2022-11-24.
"In-Orbit Verification". OHB. OHB-System AG. Retrieved 2022-11-23.
"Abschied vom Technologie-Erprobungsträger (TET-1)" [Farewell to the technology test vehicle (TET-1)]. DLR Portal (in German). DLR. 2022-11-21. Retrieved 2022-11-23.

External links

TET-1 information on DLR website
TET-1 information on eoPortal website
Kayser-Threde GmbH TET-1 logbook Archived 2010-11-22 at the Wayback Machine
Brochure "TET - The Small Satellite" on OHB website

v t e ← 2011 Orbital launches in 2012 2013 →
January	Ziyuan III-01, VesselSat-2 Fengyun 2-07 USA-233 Progress M-14M
February	Navid LARES, ALMASat-1, Xatcobeo, UniCubeSat-GG, ROBUSTA, e-st@r, Goliat, MaSat-1, PW-Sat SES-4 Compass-G5 MUOS-1
March	Edoardo Amaldi ATV Intelsat 22 Kosmos 2479 Apstar 7
April	USA-234 Kwangmyŏngsŏng-3 Progress M-15M YahSat-1B RISAT-1 Compass-M3, Compass-M4
May	USA-235 Tianhui 1B Yaogan 14, Tiantuo 1 Soyuz TMA-04M JCSAT-13, Vinasat-2 Kosmos 2480 Shizuku, Kompsat 3, SDS-4, Horyu 2 Nimiq 6 SpaceX COTS Demo Flight 2, New Frontier Fajr ChinaSat 2A Yaogan 15
June	Intelsat 19 NuSTAR Shenzhou 9 USA-236 / Quasar 18 USA-237 / Orion 8
July	EchoStar XVII, MSG-3 SES-5 Soyuz TMA-05M Kounotori 3 (Raiko, We-Wish, Niwaka, TechEdSat, F-1) Kanopus-V1, BelKA-2, Zond-PP, TET-1, exactView-1 Tianlian I-03 Gonets-M No.3, Gonets-M No.4, Kosmos 2481, MiR
August	Progress M-16M (Sfera-53) Intelsat 20, HYLAS 2 Telkom-3, Ekspress-MD2 Intelsat 21 RBSP-A, RBSP-B
September	SPOT 6, PROITERES, mRESINS USA-238, SMDC-ONE 1.1, SMDC-ONE 1.2, AeroCube 4, AeroCube 4A, AeroCube 4B, Aeneas, Re, CSSWE, CP5, CXBN, CINEMA 1 MetOp-B Compass-M5, Compass-M6 Astra 2F, GSAT-10 VRSS-1
October	USA-239 SpaceX CRS-1, Orbcomm-2 David, Sif Shijian 9-01, Shijian 9-02 Intelsat 23 Soyuz TMA-06M Compass G6 Progress M-17M
November	Luch 5B, Yamal-300K Eutelsat 21B, Star One C3 Meridian 6 Huanjing 1C EchoStar XVI Yaogan 16A, Yaogan 16B, Yaogan 16C ChinaSat 12
December	Pléiades-HR 1B Eutelsat 70B Yamal-402 USA-240 Kwangmyŏngsŏng-3 Unit 2 Göktürk-2 Soyuz TMA-07M Skynet 5D, Mexsat Bicentenario
Launches are separated by dots ( • ), payloads by commas ( , ), multiple names for the same satellite by slashes ( / ). Crewed flights are underlined. Launch failures are marked with the † sign. Payloads deployed from other spacecraft are (enclosed in parentheses).

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