2019 MO
Near-Earth asteroid discovered by ATLAS–MLO that impacted Earth's atmosphere on 22 June 2019 / From Wikipedia, the free encyclopedia
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2019 MO, temporarily designated A10eoM1, was a small, harmless 3-meter near-Earth asteroid discovered by ATLAS–MLO that impacted Earth's atmosphere on 22 June 2019 at 21:25 UT.[3][4][5][6] The impact of the bolide generated a 5-kiloton-equivalent explosion off the south coast of Puerto Rico which was detected by infrasound detectors.[5] The strewn field would be spread over the Caribbean Sea.[7]
Quick Facts Discovery, Discovered by ...
Discovery [1][2] | |
---|---|
Discovered by | ATLAS–MLO (T08) |
Discovery site | Mauna Loa Obs. |
Discovery date | 22 June 2019 |
Designations | |
2019 MO | |
NEOCP A10eoM1 | |
NEO · Apollo [2][3] Alinda | |
Orbital characteristics [3] | |
Epoch 22 June 2019 (JD 2458656.5) | |
Uncertainty parameter 9 [3] · 7 [2] | |
Observation arc | 2.3 h (approx.)[4] |
Aphelion | 4.0116 AU |
Perihelion | 0.9384 AU |
2.4750 AU | |
Eccentricity | 0.6208 |
3.89 yr (1,422 d) | |
352.63° | |
0° 15m 11.16s / day | |
Inclination | 1.5471° |
91.040° | |
2019-Jul-21 | |
216.76° | |
Earth MOID | 4.54412×10−7 AU (67.9791 km) |
Physical characteristics | |
Mean diameter | 3 m[5] |
29.3[2][3] | |
Close
The Apollo asteroid was inbound approaching a late July perihelion (closest approach to the Sun) when it impacted Earth at 16.1 km/s.[8]