387733 (2003 GS)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2186217910 ± 2.00e+00
Semi-major axis (a)0.8928032707 AU ± 3.00e+00
Inclination (i)12.02922030° ± 4.00e+00
Long. of Asc. Node (Ω)196.17811798° ± 5.00e+00
Arg. of Perihelion (ω)181.90389648° ± 6.00e+00
Mean Anomaly (M)101.61529394° ± 8.98e-06
Mean Motion (n)1.1683652116°/day ± 5.89e+00
Perihelion dist (q)0.69761702 AU ± 2.95e+00
Aphelion dist (Q)1.08798952 AU ± 4.07e+00
Orbital Period0.84359434 yr ± 4.25e+00
NGA Modelr2
A2-1.57106554e-06 AU/d²
Physical Parameters
H (abs. magnitude)18.93
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-28
RMS Residual0.285″
Uncertainty0
Orbit TypeAten
MOID0.086850 AU
Observations Used855
Oppositions4
Arc Total2003-2025
First Observation Used2003-04-04
Last Observation Used2025-06-08
Observations (931)
Date Type RA Dec Mag Band Observatory
2003-04-15 20:43:16 C 09 16 54.47 +15 21 32.2 c 198
2003-04-15 20:51:12 C 09 16 55.15 +15 21 48.3 c 198
2003-04-15 21:14:50 C 09 16 57.21 +15 22 34.4 c 198
2003-04-15 21:34:41 C 09 16 58.95 +15 23 12.6 c 198
2003-04-17 05:33:28 C 09 19 57.73 +16 24 40.4 o 699
2003-04-17 05:52:35 C 09 19 59.35 +16 25 16.1 o 699
2003-04-17 06:11:46 C 09 20 00.95 +16 25 50.3 o 699
2003-04-17 06:30:56 C 09 20 02.62 +16 26 25.2 o 699
2003-04-18 12:51:59 C 09 22 52.56 +17 21 50.1 c 413
2003-04-18 12:54:18 C 09 22 52.75 +17 21 54.0 c 413
2003-04-18 12:56:36 C 09 22 52.93 +17 21 58.0 c 413
2003-04-18 20:23:52 C 09 23 35.92 +17 34 02.9 d 151
2003-04-18 20:25:35 C 09 23 36.03 +17 34 05.9 d 151
2003-04-18 20:26:46 C 09 23 36.18 +17 34 08.5 d 151
2003-04-18 20:28:08 C 09 23 36.29 +17 34 10.8 d 151
2003-04-21 09:32:24 C 09 29 18.42 +19 14 11.2 c E14
2003-04-21 09:35:07 C 09 29 18.73 +19 14 15.8 c E14
2003-04-21 09:54:25 C 09 29 20.29 +19 14 44.7 c E14
2003-04-21 09:57:32 C 09 29 20.48 +19 14 50.3 c E14
2003-04-21 19:34:20 C 09 30 14.36 +19 28 33.1 d 170
2003-04-21 19:36:31 C 09 30 14.54 +19 28 36.5 d 170
2003-04-21 19:37:32 C 09 30 14.65 +19 28 37.9 d 170
2003-04-21 19:38:32 C 09 30 14.73 +19 28 39.5 d 170
2003-04-22 19:45:21 C 09 32 29.14 +20 03 50.9 c 185
2003-04-22 19:49:24 C 09 32 29.49 +20 03 56.7 c 185
2003-04-22 19:53:49 C 09 32 29.87 +20 04 03.0 c 185
2003-04-22 19:56:09 C 09 32 30.07 +20 04 06.3 c 185
2003-04-22 19:58:29 C 09 32 30.26 +20 04 09.7 c 185
2003-04-23 09:34:29 C 09 33 46.72 +20 24 08.4 e 413
2003-04-23 09:36:48 C 09 33 46.91 +20 24 11.7 e 413
2003-04-23 09:39:06 C 09 33 47.10 +20 24 14.9 e 413
2003-04-23 20:07:20 C 09 34 44.88 +20 37 48.1 c 246
2003-04-23 20:08:43 C 09 34 45.00 +20 37 49.8 c 246
2003-04-23 20:10:43 C 09 34 45.19 +20 37 52.4 c 246
2003-04-23 20:12:40 C 09 34 45.35 +20 37 54.8 c 246
2003-04-23 20:14:10 C 09 34 45.47 +20 37 56.8 c 246
2003-04-23 20:15:43 C 09 34 45.59 +20 37 59.0 c 246
2003-04-24 03:17:33 C 09 35 25.27 +20 47 40.4 17.4 c 704
2003-04-24 03:34:39 C 09 35 26.68 +20 48 03.1 17.9 c 704
2003-04-24 03:51:47 C 09 35 28.10 +20 48 25.8 17.7 c 704
2003-04-24 04:08:55 C 09 35 29.54 +20 48 48.5 18.0 c 704
2003-04-24 04:26:05 C 09 35 30.98 +20 49 11.3 17.9 c 704
2003-04-24 19:42:44 C 09 36 56.87 +21 09 09.0 c 113
2003-04-24 19:44:49 C 09 36 57.07 +21 09 12.0 c 113
2003-04-24 19:46:55 C 09 36 57.21 +21 09 14.3 c 113
2003-04-24 19:48:59 C 09 36 57.41 +21 09 17.1 c 113
2003-04-24 19:51:04 C 09 36 57.60 +21 09 19.9 c 113
2003-04-24 20:48:20 C 09 37 02.42 +21 10 33.9 d 118
2003-04-24 20:50:32 C 09 37 02.61 +21 10 36.1 d 118
2003-04-24 20:53:37 C 09 37 02.79 +21 10 41.0 d 118
Radar Observations (5)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2014-04-17 03:40:00 90327524.3 4 us 2380 -1 -1
2014-04-17 04:45:00 90380229.56 0.5 us 2380 -1 -1
2014-04-17 05:28:00 90417034.7 0.5 us 2380 -1 -1
2014-04-18 02:59:00 91563544.58 0.5 us 2380 -1 -1
2014-04-18 05:19:00 91697044.07 0.5 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)