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
2010-04-17 14:08:27 C 13 30 48.26 +08 10 06.2 u 379
2010-04-17 14:20:29 C 13 30 49.12 +08 10 12.3 u 379
2010-04-17 14:29:49 C 13 30 49.80 +08 10 16.8 u 379
2010-04-17 14:32:29 C 13 30 50.02 +08 10 18.6 u 379
2010-04-17 14:39:09 C 13 30 50.50 +08 10 21.9 u 379
2010-04-17 14:41:49 C 13 30 50.72 +08 10 23.1 u 379
2010-04-17 14:44:30 C 13 30 50.90 +08 10 24.4 u 379
2010-04-17 14:53:50 C 13 30 51.60 +08 10 28.9 u 379
2010-04-17 14:56:30 C 13 30 51.79 +08 10 30.0 u 379
2010-04-17 15:05:49 C 13 30 52.53 +08 10 35.1 u 379
2010-04-17 21:38:51 C 13 31 31.60 +08 13 35.0 o 046
2010-04-17 21:40:41 C 13 31 31.75 +08 13 36.1 o 046
2010-04-17 21:42:22 C 13 31 31.89 +08 13 36.9 o 046
2010-04-17 21:44:02 C 13 31 32.02 +08 13 37.7 o 046
2010-04-17 21:45:46 C 13 31 32.19 +08 13 38.7 o 046
2010-04-18 02:23:15 C 13 32 01.47 +08 16 02.8 o H26
2010-04-18 02:25:35 C 13 32 01.68 +08 16 04.1 o H26
2010-04-18 02:27:55 C 13 32 01.89 +08 16 05.4 o H26
2010-04-18 02:30:14 C 13 32 02.07 +08 16 06.7 o H26
2010-04-18 02:32:34 C 13 32 02.32 +08 16 07.6 o H26
2010-04-18 02:34:54 C 13 32 02.51 +08 16 09.5 o H26
2010-04-18 02:37:14 C 13 32 02.70 +08 16 10.2 o H26
2010-04-18 02:39:32 C 13 32 02.89 +08 16 11.6 o H26
2010-04-18 02:44:12 C 13 32 03.27 +08 16 14.3 o H26
2010-04-18 20:45:09 C 13 33 55.27 +08 25 27.7 r A17
2010-04-18 21:22:05 C 13 33 58.82 +08 25 47.7 r A17
2010-04-18 22:00:32 C 13 34 02.47 +08 26 08.6 r A17
2010-04-19 00:29:26 C 13 34 16.27 +08 27 34.3 u 160
2010-04-19 00:31:59 C 13 34 16.51 +08 27 35.8 u 160
2010-04-19 00:33:58 C 13 34 16.69 +08 27 36.9 u 160
2010-04-19 06:47:29 C 13 34 59.33 +08 31 03.5 o H21
2010-04-19 06:55:56 C 13 35 00.14 +08 31 08.1 o H21
2010-04-19 07:06:04 C 13 35 01.11 +08 31 13.3 o H21
2010-04-19 07:16:45 C 13 35 02.16 +08 31 19.0 o H21
2010-04-19 20:36:48 C 13 36 42.72 +08 38 28.9 u A13
2010-04-19 21:06:52 C 13 36 46.02 +08 38 46.4 u A13
2010-04-19 21:45:17 C 13 36 50.35 +08 39 12.0 o 511
2010-04-19 21:47:11 C 13 36 50.56 +08 39 13.1 o 511
2010-04-19 21:49:03 C 13 36 50.76 +08 39 14.2 o 511
2010-04-19 21:50:57 C 13 36 50.97 +08 39 15.3 o 511
2010-04-19 21:52:52 C 13 36 51.17 +08 39 16.4 o 511
2010-04-19 21:54:45 C 13 36 51.38 +08 39 17.5 o 511
2010-04-19 21:56:38 C 13 36 51.58 +08 39 18.6 o 511
2010-04-19 21:58:33 C 13 36 51.78 +08 39 19.7 o 511
2010-04-19 22:00:27 C 13 36 51.99 +08 39 20.8 o 511
2010-04-19 22:02:21 C 13 36 52.19 +08 39 21.9 o 511
2010-04-19 22:07:13 C 13 36 52.74 +08 39 24.8 o 511
2010-04-19 22:09:36 C 13 36 52.99 +08 39 26.2 o 511
2010-04-19 22:12:00 C 13 36 53.26 +08 39 27.6 o 511
2010-04-19 22:14:24 C 13 36 53.51 +08 39 29.0 o 511
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)