2020 XR
Apollo near-Earth asteroid / From Wikipedia, the free encyclopedia
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2020 XR is an Apollo near-Earth object and potentially hazardous asteroid roughly 390 meters (1,000 feet) in diameter. With a 5-day observation arc it was briefly listed as having a 1 in 11,000 chance of impacting Earth on 1 December 2028 placing it at the top of the Sentry Risk Table with a Palermo scale rating of -0.70.[4][5]
Quick Facts Discovery, Discovered by ...
Discovery[1][2] | |
---|---|
Discovered by | Pan-STARRS 2 |
Discovery site | Haleakala Obs. |
Discovery date | 4 December 2020 |
Designations | |
2020 XR | |
Orbital characteristics[3] | |
Epoch 2020-May-31 (JD 2459000.5) | |
Uncertainty parameter 0 | |
Observation arc | 7.8 years[4] |
Aphelion | 4.0272 AU (602,460,000 km) (Q) |
Perihelion | 0.97013 AU (145,129,000 km) (q) |
2.4987 AU (373,800,000 km) (a) | |
Eccentricity | 0.61174 (e) |
3.95 yr | |
312.19° (M) | |
Inclination | 13.947° (i) |
249.74° (Ω) | |
8 December 2020 | |
163.01° (ω) | |
Earth MOID | 0.00085 AU (127,000 km; 0.33 LD) |
Jupiter MOID | 1.4 AU (210,000,000 km) |
Physical characteristics | |
Mean diameter | ~390 meters (1,000 feet)[4] |
19.8[2][3] | |
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