Astronomy:2019 AS5

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2019 AS5
2019 AS5-flyby.png
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
2019 AS5
Minor planet categoryNEO · Apollo[1]
Orbital characteristics[1]
Epoch 27 April 2019 (JD 2458600.5)
Uncertainty parameter 5
Observation arc1 day
|{{{apsis}}}|helion}}1.8769 AU
|{{{apsis}}}|helion}}0.8188 AU
1.3478 AU
Eccentricity0.3925
Orbital period1.56 yr (571.547 d)
Mean anomaly98.81126°
Mean motion0° 37m 47.528s / day
Inclination0.7012968°
Longitude of ascending node106.7463°
294.359°
Earth MOID0.000140 AU (0.054 LD)
Physical characteristics
Mean diameter1–2 m (3.3–6.6 ft)
Absolute magnitude (H)32.243[1]


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.[2]

(As of July 2019), it is the closest approach of a non-impacting asteroid in 2019.[3] 2019 MO impacted Earth on 22 June 2019.

See also

  • List of asteroid close approaches to Earth in 2019

References

External links