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
2003-05-06 19:46:20 C 10 03 43.71 +25 53 08.1 c 118
2003-05-06 19:49:23 C 10 03 44.00 +25 53 08.3 c 118
2003-05-06 19:51:06 C 10 03 44.25 +25 53 11.2 c 118
2003-05-06 20:08:14 C 10 03 45.65 +25 53 22.4 c 118
2003-05-10 20:52:09 C 10 12 42.49 +26 56 58.4 d 941
2003-05-10 20:53:48 C 10 12 42.63 +26 56 59.6 d 941
2003-05-10 20:55:26 C 10 12 42.76 +26 57 00.9 d 941
2003-05-10 20:57:06 C 10 12 42.89 +26 57 01.7 d 941
2003-05-17 20:42:52 C 10 28 02.60 +28 20 59.6 d 941
2003-05-17 20:44:31 C 10 28 02.71 +28 20 59.7 d 941
2003-05-17 20:46:09 C 10 28 02.85 +28 20 59.9 d 941
2003-05-17 20:47:48 C 10 28 02.95 +28 21 00.2 d 941
2003-05-17 20:49:26 C 10 28 03.08 +28 21 00.4 d 941
2003-06-24 04:12:39 C 11 41 34.10 +31 08 10.4 c 448
2003-06-24 04:22:55 C 11 41 34.77 +31 08 11.0 c 448
2003-06-24 04:35:11 C 11 41 35.61 +31 08 10.8 c 448
2004-03-30 11:53:48 C 19 42 29.87 -11 15 35.8 d 291
2004-03-30 12:10:58 C 19 42 32.74 -11 15 17.5 d 291
2004-03-30 15:58:31 C 19 43 12.25 -11 10 48.7 c 474
2004-03-30 16:00:31 C 19 43 12.54 -11 10 47.2 c 474
2004-03-30 16:02:30 C 19 43 12.94 -11 10 44.0 c 474
2004-03-30 16:08:11 C 19 43 13.93 -11 10 37.4 c 474
2004-03-30 16:12:20 C 19 43 14.63 -11 10 33.6 c 474
2008-02-28 02:49:16 C 03 33 44.77 -06 44 15.6 r 448
2008-02-28 03:13:10 C 03 33 50.02 -06 43 44.3 r 448
2008-02-28 03:37:24 C 03 33 55.40 -06 43 13.4 r 448
2008-03-08 02:47:43 C 04 21 22.86 -02 01 56.1 r 703
2008-03-08 02:56:11 C 04 21 24.73 -02 01 45.5 r 703
2008-03-08 03:04:41 C 04 21 26.46 -02 01 35.2 r 703
2008-03-08 03:13:09 C 04 21 28.22 -02 01 22.9 r 703
2009-04-09 10:15:36 C 19 06 44.42 -08 24 46.9 o H55
2009-04-09 10:30:36 C 19 06 46.78 -08 24 19.7 o H55
2009-05-10 09:16:33 C 21 24 02.86 +19 59 17.1 r 448
2009-05-10 09:27:27 C 21 24 05.24 +19 59 43.0 r 448
2009-05-10 09:41:57 C 21 24 08.32 +20 00 19.1 r 448
2009-05-23 00:04:00 C 22 36 05.52 +30 53 28.1 r A13
2009-05-23 00:18:13 C 22 36 09.14 +30 53 55.1 r A13
2014-01-30 08:45:22 C 14 31 04.36 -52 17 58.3 u 807
2014-01-30 08:51:04 C 14 31 04.55 -52 17 57.1 u 807
2014-01-30 08:56:50 C 14 31 04.74 -52 17 55.9 u 807
2014-02-16 03:57:20 S 14 50 10.74 -50 13 15.1 L C51
2014-02-16 07:06:56 S 14 50 19.18 -50 12 01.5 L C51
2014-02-16 15:01:07 S 14 50 40.23 -50 08 45.4 L C51
2014-02-16 18:10:43 S 14 50 48.792 -50 07 28.27 L C51
2014-02-16 18:10:54 S 14 50 48.919 -50 07 27.41 L C51
2014-02-16 21:20:31 S 14 50 57.24 -50 06 07.1 L C51
2014-02-16 22:55:18 S 14 51 01.334 -50 05 29.15 L C51
2014-02-17 03:40:26 S 14 51 13.97 -50 03 28.6 L C51
2014-02-17 03:40:38 S 14 51 14.00 -50 03 28.3 L C51
2014-03-17 08:46:03 C 14 59 45.34 -39 27 04.8 u 807
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)