2008 GO20

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4907571755 ± 1.07e-08
Semi-major axis (a)1.8908624583 AU ± 2.95e-09
Inclination (i)2.25018171° ± 2.17e-06
Long. of Asc. Node (Ω)119.49802131° ± 3.17e-05
Arg. of Perihelion (ω)160.72130054° ± 3.07e-05
Mean Anomaly (M)245.57143314° ± 1.52e-06
Mean Motion (n)0.3790725765°/day ± 8.86e-10
Perihelion dist (q)0.96290814 AU ± 2.02e-08
Aphelion dist (Q)2.81881678 AU ± 2.06e-08
Orbital Period2.60009915 yr ± 6.08e-09
Physical Parameters
H (abs. magnitude)22.46
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.290″
Uncertainty0
Orbit TypeApollo
MOID0.009144 AU
Observations Used108
Radar Obs Used2
Oppositions8
Arc Total2008-2021
First Observation Used2008-04-01
Last Observation Used2021-10-03
Observations (113)
Date Type RA Dec Mag Band Observatory
2021-08-16 12:27:30 C 01 13 23.02 -04 09 19.0 V T05
2021-08-16 12:53:07 C 01 13 18.99 -04 09 37.9 V T05
2021-09-12 08:33:17 C 00 16 43.16 -08 09 04.7 V G96
2021-09-12 08:40:52 C 00 16 42.57 -08 09 06.0 V G96
2021-09-12 08:48:28 C 00 16 42.06 -08 09 07.2 V G96
2021-09-12 08:56:05 C 00 16 41.44 -08 09 07.6 V G96
2021-09-13 09:04:26 C 00 15 17.380 -08 12 25.17 U F52
2021-09-13 09:20:04 C 00 15 16.336 -08 12 27.38 U F52
2021-09-13 09:35:44 C 00 15 15.290 -08 12 29.73 U F52
2021-10-03 08:26:57 C 23 56 01.954 -08 17 10.80 U F52
2021-10-03 08:41:44 C 23 56 01.541 -08 17 09.37 U F52
2021-10-03 08:56:31 C 23 56 01.122 -08 17 07.92 U F52
2021-10-03 09:11:17 C 23 56 00.711 -08 17 06.32 U F52
Radar Observations (3)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2021-07-24 16:50:00 85396.4 1 Hz 8560 -14 -14
2021-07-24 20:20:00 30466318 20 us 8560 -14 -14
2021-07-24 21:00:00 50664.5 0.4 Hz 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)