2010 GU21

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5639274455 ± 1.37e-07
Semi-major axis (a)2.1804222531 AU ± 1.14e-06
Inclination (i)3.16279555° ± 2.46e-06
Long. of Asc. Node (Ω)56.97932704° ± 1.53e-05
Arg. of Perihelion (ω)201.59978378° ± 2.14e-05
Mean Anomaly (M)289.31773663° ± 1.22e-03
Mean Motion (n)0.3061268111°/day ± 2.40e-07
Perihelion dist (q)0.95082230 AU ± 5.79e-07
Aphelion dist (Q)3.41002220 AU ± 1.80e-06
Orbital Period3.21966665 yr ± 2.52e-06
Physical Parameters
H (abs. magnitude)21.14
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.338″
Uncertainty1
Orbit TypeApollo
MOID0.010627 AU
Observations Used414
Radar Obs Used5
Oppositions1
Arc Total2010-2010
First Observation Used2010-02-20
Last Observation Used2010-09-14
Observations (442)
Date Type RA Dec Mag Band Observatory
2010-04-24 05:42:24 C 13 55 05.40 +09 48 00.1 o G56
2010-04-24 05:45:29 C 13 55 06.14 +09 48 02.1 o G56
2010-04-24 12:00:12 C 13 56 40.35 +09 53 09.2 u 379
2010-04-24 12:03:25 C 13 56 41.05 +09 53 11.6 u 379
2010-04-24 12:06:41 C 13 56 41.78 +09 53 15.4 u 379
2010-04-24 12:13:29 C 13 56 43.41 +09 53 20.6 u 379
2010-04-24 12:26:51 C 13 56 46.44 +09 53 31.8 u 379
2010-04-24 12:30:04 C 13 56 47.19 +09 53 34.8 u 379
2010-04-24 19:27:07 C 13 58 37.91 +09 58 52.4 o 151
2010-04-24 19:32:11 C 13 58 39.33 +09 58 56.5 o 151
2010-04-24 19:37:14 C 13 58 40.59 +09 59 00.8 o 151
2010-04-24 19:42:17 C 13 58 41.88 +09 59 05.2 o 151
2010-04-24 20:43:28 C 13 58 56.77 +09 59 58.4 o 046
2010-04-24 20:44:31 C 13 58 57.03 +09 59 59.4 o 046
2010-04-24 20:45:34 C 13 58 57.27 +09 59 59.9 o 046
2010-04-24 20:49:41 C 13 58 58.33 +10 00 03.8 o 046
2010-04-24 20:50:42 C 13 58 58.58 +10 00 04.6 o 046
2010-04-24 21:13:47 C 13 59 04.88 +10 00 30.8 c A48
2010-04-24 21:18:01 C 13 59 05.92 +10 00 34.8 c A48
2010-04-24 21:22:14 C 13 59 06.98 +10 00 38.6 c A48
2010-04-24 21:26:28 C 13 59 08.02 +10 00 42.3 c A48
2010-04-25 13:29:20 C 14 03 48.25 +10 15 14.2 u 379
2010-04-25 13:39:39 C 14 03 51.17 +10 15 24.7 u 379
2010-04-25 13:42:52 C 14 03 52.03 +10 15 27.5 u 379
2010-04-25 14:05:09 C 14 03 58.22 +10 15 47.7 u 379
2010-04-25 22:50:51 C 14 06 51.45 +10 24 13.5 w J51
2010-04-25 23:04:11 C 14 06 55.47 +10 24 26.9 w J51
2010-04-25 23:17:32 C 14 06 59.50 +10 24 40.1 w J51
2010-04-26 07:29:29 C 14 09 47.64 +10 32 33.6 w G72
2010-04-26 07:56:08 C 14 09 56.19 +10 33 00.0 w G72
2010-04-26 08:17:13 C 14 10 03.09 +10 33 20.8 w G72
2010-04-26 08:38:22 C 14 10 09.93 +10 33 42.0 w G72
2010-04-26 08:52:11 C 14 10 12.69 +10 33 56.4 o H10
2010-04-26 09:01:14 C 14 10 15.69 +10 34 05.2 o H10
2010-04-26 09:05:23 C 14 10 18.80 +10 34 08.1 w G72
2010-04-26 09:10:16 C 14 10 18.69 +10 34 13.8 o H10
2010-04-26 21:21:11 C 14 15 09.46 +10 46 11.1 u J18
2010-04-26 21:26:48 C 14 15 11.62 +10 46 17.8 u J18
2010-04-27 05:07:56 C 14 18 25.88 +10 55 34.0 o H10
2010-04-27 05:17:09 C 14 18 29.56 +10 55 44.8 o H10
2010-04-27 05:26:22 C 14 18 33.24 +10 55 55.7 o H10
2010-04-27 20:43:15 C 14 25 46.09 +11 12 57.3 u J18
2010-04-27 20:56:41 C 14 25 52.63 +11 13 14.8 u J18
2010-04-28 00:06:26 C 14 27 24.53 +11 17 19.0 u J95
2010-04-28 00:10:14 C 14 27 26.37 +11 17 23.9 u J95
2010-04-28 00:15:10 C 14 27 28.80 +11 17 30.1 u J95
2010-04-28 05:47:52 C 14 30 28.05 +11 25 03.8 o H21
2010-04-28 05:53:07 C 14 30 30.69 +11 25 11.0 o H21
2010-04-28 05:59:04 C 14 30 33.74 +11 25 18.7 o H21
2010-04-28 06:03:51 C 14 30 36.22 +11 25 24.9 o H21
Radar Observations (5)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2010-05-04 06:52:00 42124.6914 1 Hz 2380 -1 -1
2010-05-04 07:56:00 21020198.38 1 us 2380 -1 -1
2010-05-05 08:06:00 -9422.81 0.25 Hz 2380 -1 -1
2010-05-05 08:41:00 20500627.74 1 us 2380 -1 -1
2010-05-06 09:23:00 21851075.43 1 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)