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
2010-04-09 08:27:44 C 13 18 29.38 +06 44 57.4 r 850
2010-04-09 08:39:29 C 13 18 30.54 +06 45 04.2 r H06
2010-04-09 08:49:21 C 13 18 30.08 +06 45 05.2 r 850
2010-04-09 09:11:10 C 13 18 30.79 +06 45 13.4 r 850
2010-04-09 21:34:16 C 13 19 05.77 +06 49 52.0 c 587
2010-04-09 21:39:16 C 13 19 05.93 +06 49 54.0 c 587
2010-04-09 21:40:45 C 13 19 05.96 +06 49 54.5 u C13
2010-04-09 21:44:15 C 13 19 06.10 +06 49 56.0 c 587
2010-04-09 21:57:56 C 13 19 06.54 +06 50 01.4 u C13
2010-04-09 22:04:31 C 13 19 06.77 +06 50 03.5 u C13
2010-04-10 04:55:25 C 13 19 23.04 +06 53 53.9 c 844
2010-04-10 05:04:31 C 13 19 23.29 +06 53 57.4 c 844
2010-04-10 05:15:35 C 13 19 23.64 +06 54 01.8 c 844
2010-04-10 05:23:53 C 13 19 23.96 +06 54 04.9 c 844
2010-04-10 05:36:19 C 13 19 24.34 +06 54 09.7 c 844
2010-04-10 07:14:46 C 13 19 29.11 +06 53 42.7 o H21
2010-04-10 07:22:12 C 13 19 29.36 +06 53 45.6 o H21
2010-04-10 07:28:23 C 13 19 29.57 +06 53 48.0 o H21
2010-04-10 07:32:38 C 13 19 29.71 +06 53 49.6 o H21
2010-04-10 07:37:27 C 13 19 29.87 +06 53 51.4 o H21
2010-04-10 08:46:03 C 13 19 32.33 +06 54 21.2 u H45
2010-04-10 08:48:33 C 13 19 32.44 +06 54 21.7 u H45
2010-04-10 08:50:28 C 13 19 32.48 +06 54 22.9 u H45
2010-04-10 08:52:50 C 13 19 32.59 +06 54 23.7 u H45
2010-04-10 08:54:38 C 13 19 32.64 +06 54 24.2 u H45
2010-04-10 08:56:10 C 13 19 32.70 +06 54 24.9 u H45
2010-04-10 08:58:55 C 13 19 32.82 +06 54 25.8 u H45
2010-04-11 03:52:47 C 13 20 28.52 +07 01 52.4 o H83
2010-04-11 04:07:44 C 13 20 29.05 +07 01 58.4 o H83
2010-04-11 04:22:41 C 13 20 29.57 +07 02 04.1 o H83
2010-04-11 04:39:08 C 13 20 30.14 +07 02 10.9 o H83
2010-04-11 06:07:51 C 13 20 34.89 +07 02 51.7 u 448
2010-04-11 06:12:59 C 13 20 35.05 +07 02 54.0 u 448
2010-04-11 06:16:03 C 13 20 35.16 +07 02 55.4 u 448
2010-04-11 06:19:39 C 13 20 35.29 +07 02 56.5 u 448
2010-04-12 02:46:58 C 13 21 38.61 +07 11 03.0 o H26
2010-04-12 02:49:18 C 13 21 38.71 +07 11 04.4 o H26
2010-04-12 02:51:33 C 13 21 38.82 +07 11 05.3 o H26
2010-04-12 02:53:51 C 13 21 38.92 +07 11 06.0 o H26
2010-04-12 02:56:10 C 13 21 39.02 +07 11 07.3 o H26
2010-04-12 02:58:28 C 13 21 39.13 +07 11 08.4 o H26
2010-04-12 03:00:45 C 13 21 39.24 +07 11 09.3 o H26
2010-04-12 03:03:04 C 13 21 39.32 +07 11 10.1 o H26
2010-04-12 03:05:23 C 13 21 39.44 +07 11 11.4 o H26
2010-04-12 03:07:43 C 13 21 39.55 +07 11 12.3 o H26
2010-04-12 06:59:19 C 13 21 48.88 +07 12 51.2 o H21
2010-04-12 07:05:59 C 13 21 49.14 +07 12 53.9 o H21
2010-04-12 07:12:39 C 13 21 49.42 +07 12 56.6 o H21
2010-04-12 07:19:18 C 13 21 49.69 +07 12 59.3 o H21
2010-04-13 20:56:11 C 13 24 02.24 +07 28 47.5 r 157
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)