2020 XR

2020 XR
Discovery[1][2]
Discovered byPan-STARRS 2
Discovery siteHaleakala Obs.
Discovery date4 December 2020
Designations
2020 XR
Orbital characteristics[3]
Epoch 2020-May-31 (JD 2459000.5)
Uncertainty parameter 0
Observation arc7.8 years[4]
Aphelion4.0272 AU (602,460,000 km) (Q)
Perihelion0.97013 AU (145,129,000 km) (q)
2.4987 AU (373,800,000 km) (a)
Eccentricity0.61174 (e)
3.95 yr
312.19° (M)
Inclination13.947° (i)
249.74° (Ω)
8 December 2020
163.01° (ω)
Earth MOID0.00085 AU (127,000 km; 0.33 LD)
Jupiter MOID1.4 AU (210,000,000 km)
Physical characteristics
~390 meters (1,000 feet)[4]
19.8[2][3]

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]

  1. ^ Cite error: The named reference MPEC2020-X36 was invoked but never defined (see the help page).
  2. ^ a b c d Cite error: The named reference MPC-object was invoked but never defined (see the help page).
  3. ^ a b c Cite error: The named reference jpldata was invoked but never defined (see the help page).
  4. ^ a b c Cite error: The named reference sentry was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference hohmanntransfer was invoked but never defined (see the help page).