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2019 AS5

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2019 AS5
The hourly motion of 2019 AS5 passed the Earth between 7 and 8 January 2019
Discovery
Discovery siteMount Lemmon Obs.
Discovery date8 January 2019
Designations
MPC designation2019 AS5
Minor planet categoryNEO · Apollo 
Orbital characteristics 
Epoch 27 April 2019 (JD 2458600.5)
Uncertainty parameter 5
Observation arc1 day
Aphelion1.8769 AU
Perihelion0.8188 AU
Semi-major axis1.3478 AU
Eccentricity0.3925
Orbital period (sidereal)1.56 yr (571.547 d)
Mean anomaly98.81126°
Mean motion0° 37 47.528 / day
Inclination0.7012968°
Longitude of ascending node106.7463°
Argument of perihelion294.359°
Earth MOID0.000140 AU (0.054 LD)
Physical characteristics
Mean diameter1–2 m (3.3–6.6 ft)
Absolute magnitude (H)32.243

2019 AS5 is a near-Earth asteroid that passed close by the Earth on 8 January 2019. It passed within 0.04 lunar distances or 15,000 kilometers of the center of the Earth, 8600 km from the surface. It was discovered by the Mt. Lemmon Survey 9 hours after closest approach. It is estimated to be about 1–2 metres (3–7 feet) in diameter.

As of July 2019, it is the closest approach of a non-impacting asteroid in 2019. 2019 MO impacted Earth on 22 June 2019.

See also

References

  1. ^ "JPL Small-Body Database Browser: (2019 AS5)" (2019-01-08 last obs.). Jet Propulsion Laboratory. Retrieved 9 January 2019.
  2. Asteroid 2019 AS5 flew past Earth at a very close distance of 0.04 LD
  3. Go to https://cneos.jpl.nasa.gov/ca/ and for Table Settings select "Past (within a year)" and sort by "CA distance nominal"

External links

Small Solar System bodies
Minor planets
Asteroid
Distant minor planet
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