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
2010-05-01 06:39:48 C 15 32 13.31 +13 16 22.2 o G56
2010-05-01 06:41:27 C 15 32 15.29 +13 16 25.4 o G56
2010-05-01 06:43:05 C 15 32 17.29 +13 16 28.5 o G56
2010-05-01 06:44:44 C 15 32 19.27 +13 16 31.2 o G56
2010-05-01 06:46:22 C 15 32 21.25 +13 16 33.9 o G56
2010-05-01 06:48:01 C 15 32 23.23 +13 16 36.9 o G56
2010-05-01 14:48:00 C 15 42 58.23 +13 29 57.5 u 379
2010-05-01 14:55:09 C 15 43 07.77 +13 30 09.3 u 379
2010-05-01 15:13:08 C 15 43 31.79 +13 30 38.6 u 379
2010-05-01 15:14:59 C 15 43 34.20 +13 30 41.4 u 379
2010-05-01 15:29:19 C 15 43 53.39 +13 31 05.2 u 379
2010-05-02 00:03:23 C 15 56 43.87 +13 43 33.8 w I99
2010-05-02 00:08:38 C 15 56 51.78 +13 43 42.0 w I99
2010-05-02 00:20:33 C 15 57 09.78 +13 43 59.9 w I99
2010-05-02 00:23:41 C 15 57 14.50 +13 44 04.6 w I99
2010-05-02 00:26:38 C 15 57 18.97 +13 44 09.1 w I99
2010-05-02 14:45:10 C 16 22 07.47 +14 02 09.2 u 379
2010-05-02 14:47:49 C 16 22 12.29 +14 02 12.3 u 379
2010-05-02 14:57:08 C 16 22 29.21 +14 02 22.7 u 379
2010-05-02 15:11:50 C 16 22 55.89 +14 02 38.4 u 379
2010-05-02 15:23:49 C 16 23 17.71 +14 02 50.4 u 379
2010-05-02 15:33:08 C 16 23 34.70 +14 02 59.8 u 379
2010-05-02 15:35:48 C 16 23 39.56 +14 03 02.5 u 379
2010-05-03 08:25:09 C 16 58 54.17 +14 09 59.0 o H21
2010-05-03 08:26:19 C 16 58 56.72 +14 09 58.8 o H21
2010-05-03 08:29:18 C 16 59 03.37 +14 09 58.3 o H21
2010-05-03 08:30:23 C 16 59 05.75 +14 09 58.1 o H21
2010-05-03 08:32:47 C 16 59 11.07 +14 09 57.6 o H21
2010-05-03 21:30:27 C 17 31 12.106 +13 58 27.91 r 089
2010-05-03 22:43:17 C 17 34 17.055 +13 56 46.32 r 089
2010-05-03 22:44:39 C 17 34 20.558 +13 56 44.09 r 089
2010-05-03 22:46:01 C 17 34 24.047 +13 56 42.37 r 089
2010-05-03 23:56:51 C 17 37 24.760 +13 54 48.07 r 089
2010-05-03 23:58:13 C 17 37 28.265 +13 54 45.32 r 089
2010-05-03 23:59:36 C 17 37 31.779 +13 54 43.03 r 089
2010-05-04 00:46:10 C 17 39 31.312 +13 53 18.59 r 089
2010-05-04 00:47:33 C 17 39 34.807 +13 53 15.61 r 089
2010-05-04 00:48:55 C 17 39 38.348 +13 53 13.47 r 089
2010-05-04 00:52:24 C 17 39 47.307 +13 53 06.50 r 089
2010-05-04 00:53:47 C 17 39 50.851 +13 53 04.26 r 089
2010-05-04 00:55:09 C 17 39 54.384 +13 53 01.21 r 089
2010-05-04 01:36:28 C 17 41 41.006 +13 51 39.76 r 089
2010-05-04 03:46:54 C 17 47 55.97 +13 46 33.4 o H26
2010-05-04 03:47:17 C 17 47 57.07 +13 46 32.9 o H26
2010-05-04 03:47:38 C 17 47 57.93 +13 46 32.0 o H26
2010-05-04 03:48:00 C 17 47 58.97 +13 46 31.2 o H26
2010-05-04 03:48:44 C 17 48 00.97 +13 46 29.8 o H26
2010-05-04 03:53:02 C 17 48 12.45 +13 46 21.9 o H26
2010-05-04 03:54:08 C 17 48 15.44 +13 46 19.7 o H26
2010-05-04 03:54:31 C 17 48 16.46 +13 46 18.3 o H26
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)