2020 SL1

2020 SL1
Discovery [1][2]
Discovered byPan-STARRS 1
Discovery siteHaleakala Obs.
Discovery date18 September 2020
Designations
2020 SL1
P116Atg [3][4]
NEO · Apollo · PHA [5]
Orbital characteristics [5]
Epoch 31 May 2020 (JD 2459000.5)
Uncertainty parameter 1
Observation arc12.04 yr (4,396 days)
Earliest precovery date25 October 2008
Aphelion4.121 AU
Perihelion0.9091 AU
2.515 AU
Eccentricity0.63856
3.99 yr
34.497°
0° 14m 49.48s / day
Inclination13.764°
275.182°
12 January 2020 09:09 UT [5]
331.910°
Earth MOID0.04732 AU
TJupiter3.108
Physical characteristics
0.9–2.0 km (assumed albedo 0.05–0.25)[6]
23.6 (current)[7]
22.3 (at discovery)[1]
17.353±0.567[5]
17.1[2]

2020 SL1 is a near-Earth asteroid of the Apollo group, discovered by the Pan-STARRS 1 survey at Haleakala Observatory, Hawaii on 18 September 2020. With an estimated diameter of 0.9–2.0 km (0.56–1.24 mi), it is the largest potentially hazardous asteroid discovered in 2020.[8]

  1. ^ a b Cite error: The named reference MPEC-2020-S98 was invoked but never defined (see the help page).
  2. ^ a b Cite error: The named reference MPC-object was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference NEO-Exchange was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference PseudoMPEC was invoked but never defined (see the help page).
  5. ^ a b c d Cite error: The named reference jpldata was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference sizemagnitude was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference NEODyS was invoked but never defined (see the help page).
  8. ^ Cite error: The named reference SBDB-query-H18+ was invoked but never defined (see the help page).