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
2010-04-13 20:59:16 C 13 24 02.40 +07 28 48.7 r 157
2010-04-13 21:10:59 C 13 24 02.87 +07 28 50.9 r 473
2010-04-13 21:14:59 C 13 24 03.07 +07 28 52.1 r 473
2010-04-13 21:18:59 C 13 24 03.27 +07 28 54.0 r 473
2010-04-14 02:39:39 C 13 24 23.73 +07 31 16.7 o I15
2010-04-14 03:01:14 C 13 24 24.83 +07 31 26.3 o I15
2010-04-14 03:19:43 C 13 24 25.77 +07 31 34.6 o I15
2010-04-14 07:05:51 C 13 24 38.21 +07 33 19.9 u H45
2010-04-14 07:08:13 C 13 24 38.34 +07 33 21.0 u H45
2010-04-14 07:10:04 C 13 24 38.42 +07 33 21.9 u H45
2010-04-14 07:11:50 C 13 24 39.44 +07 33 25.0 18.0 c 704
2010-04-14 07:11:57 C 13 24 38.52 +07 33 22.4 u H45
2010-04-14 07:13:31 C 13 24 38.59 +07 33 23.1 u H45
2010-04-14 07:15:45 C 13 24 38.70 +07 33 23.9 u H45
2010-04-14 07:38:50 C 13 24 40.73 +07 33 36.4 18.0 c 704
2010-04-14 07:56:05 C 13 24 41.57 +07 33 43.8 17.8 c 704
2010-04-14 08:13:08 C 13 24 42.42 +07 33 51.4 18.0 c 704
2010-04-14 08:30:07 C 13 24 43.26 +07 33 58.9 17.9 c 704
2010-04-15 06:46:49 C 13 26 14.97 +07 43 47.8 o H21
2010-04-15 06:54:06 C 13 26 15.39 +07 43 50.9 o H21
2010-04-15 07:04:17 C 13 26 15.98 +07 43 55.5 o H21
2010-04-15 09:09:19 C 13 26 24.32 +07 44 59.1 r G96
2010-04-15 09:19:35 C 13 26 24.90 +07 45 04.0 r G96
2010-04-15 09:29:49 C 13 26 25.51 +07 45 08.1 r G96
2010-04-15 09:39:58 C 13 26 26.08 +07 45 12.5 r G96
2010-04-15 20:06:48 C 13 27 17.53 +07 49 47.3 u A78
2010-04-15 20:16:57 C 13 27 18.18 +07 49 52.2 u A78
2010-04-15 20:25:46 C 13 27 18.75 +07 49 56.5 u A78
2010-04-15 20:33:00 C 13 27 19.21 +07 50 00.2 u A78
2010-04-15 22:18:52 C 13 27 25.91 +07 50 48.2 u A53
2010-04-15 22:34:07 C 13 27 26.88 +07 50 55.3 u A53
2010-04-15 22:49:54 C 13 27 27.87 +07 51 03.3 u A53
2010-04-17 03:41:30 C 13 29 52.72 +08 04 47.1 o H26
2010-04-17 03:43:50 C 13 29 52.88 +08 04 48.5 o H26
2010-04-17 03:46:09 C 13 29 53.04 +08 04 49.3 o H26
2010-04-17 03:48:27 C 13 29 53.21 +08 04 50.6 o H26
2010-04-17 03:50:44 C 13 29 53.40 +08 04 51.9 o H26
2010-04-17 03:53:02 C 13 29 53.56 +08 04 52.8 o H26
2010-04-17 03:55:18 C 13 29 53.74 +08 04 54.0 o H26
2010-04-17 03:59:57 C 13 29 54.07 +08 04 56.3 o H26
2010-04-17 06:04:51 C 13 30 03.08 +08 06 02.2 o H21
2010-04-17 06:06:19 C 13 30 05.60 +08 06 04.3 o G56
2010-04-17 06:06:44 C 13 30 03.23 +08 06 03.0 o H21
2010-04-17 06:11:02 C 13 30 03.53 +08 06 04.9 o H21
2010-04-17 06:14:22 C 13 30 06.13 +08 06 07.8 o G56
2010-04-17 06:15:21 C 13 30 03.85 +08 06 07.3 o H21
2010-04-17 06:23:51 C 13 30 06.88 +08 06 12.1 o G56
2010-04-17 06:32:17 C 13 30 07.48 +08 06 18.2 o G56
2010-04-17 14:03:08 C 13 30 47.86 +08 10 03.3 u 379
2010-04-17 14:05:47 C 13 30 48.05 +08 10 04.6 u 379
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)