302831 (2003 FH)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5407518973 ± 1.40e-08
Semi-major axis (a)1.3889323422 AU ± 2.22e-09
Inclination (i)25.79536049° ± 5.08e-06
Long. of Asc. Node (Ω)24.08583562° ± 1.72e-06
Arg. of Perihelion (ω)274.40933294° ± 2.75e-06
Mean Anomaly (M)245.86610683° ± 7.67e-06
Mean Motion (n)0.6021305189°/day ± 1.44e-09
Perihelion dist (q)0.63786454 AU ± 1.95e-08
Aphelion dist (Q)2.14000014 AU ± 1.98e-08
Orbital Period1.63689807 yr ± 3.92e-09
Physical Parameters
H (abs. magnitude)19.11
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.370″
Uncertainty0
Orbit TypeApollo
MOID0.013306 AU
Observations Used402
Radar Obs Used2
Oppositions3
Arc Total2003-2021
First Observation Used2003-03-23
Last Observation Used2021-11-26
Observations (408)
Date Type RA Dec Mag Band Observatory
2003-03-24 07:30:05 C 12 26 08.05 +38 50 16.8 c 448
2003-03-24 07:35:16 C 12 26 07.01 +38 50 19.4 c 448
2003-03-24 07:40:28 C 12 26 06.00 +38 50 21.5 c 448
2003-03-24 07:41:16 C 12 26 05.77 +38 50 22.3 19.6 c 704
2003-03-24 07:58:35 C 12 26 02.42 +38 50 29.9 20.0 c 704
2003-03-24 08:15:52 C 12 25 59.06 +38 50 38.7 19.9 c 704
2003-03-24 23:59:00 C 12 22 56.19 +38 57 39.7 c 204
2003-03-25 00:01:46 C 12 22 55.42 +38 57 41.4 c 204
2003-03-25 00:04:31 C 12 22 54.95 +38 57 42.0 c 204
2003-03-25 00:07:17 C 12 22 54.21 +38 57 44.2 c 204
2003-03-25 00:10:03 C 12 22 53.78 +38 57 45.5 c 204
2003-03-25 09:39:02 C 12 21 00.48 +39 01 50.0 18.9 c 644
2003-03-25 09:54:44 C 12 20 57.26 +39 01 56.2 19.0 c 644
2003-03-25 10:10:36 C 12 20 53.98 +39 02 02.6 19.0 c 644
2003-03-26 07:58:35 C 12 16 28.55 +39 10 29.0 c 670
2003-03-26 10:08:36 C 12 16 00.87 +39 11 15.1 c 670
2003-03-28 21:33:20 C 12 03 09.33 +39 27 31.8 d 941
2003-03-28 21:34:28 C 12 03 09.06 +39 27 32.1 d 941
2003-03-28 21:35:36 C 12 03 08.78 +39 27 32.4 d 941
2003-03-28 21:36:45 C 12 03 08.51 +39 27 32.7 d 941
2003-04-01 00:25:26 C 11 45 26.25 +39 32 30.7 d 118
2003-04-01 00:30:41 C 11 45 24.93 +39 32 29.9 d 118
2003-04-01 00:33:32 C 11 45 24.19 +39 32 29.9 d 118
2003-04-01 00:40:51 C 11 45 22.43 +39 32 29.5 d 118
2003-04-01 08:30:09 C 11 43 26.19 +39 31 54.3 c 649
2003-04-01 08:32:58 C 11 43 25.48 +39 31 53.9 c 649
2003-04-01 08:35:47 C 11 43 24.77 +39 31 53.9 c 649
2003-04-01 21:52:19 C 11 40 07.35 +39 30 21.6 c 176
2003-04-01 21:55:49 C 11 40 06.43 +39 30 21.1 c 176
2003-04-01 21:59:10 C 11 40 05.56 +39 30 20.6 c 176
2003-04-01 22:01:39 C 11 40 04.91 +39 30 20.2 c 176
2003-04-01 22:04:09 C 11 40 04.26 +39 30 19.8 c 176
2003-04-02 04:52:18 C 11 38 21.92 +39 29 17.7 18.7 c 644
2003-04-02 05:22:51 C 11 38 13.97 +39 29 12.8 18.7 c 644
2003-04-02 05:53:55 C 11 38 05.91 +39 29 07.8 18.7 c 644
2003-04-04 23:42:02 C 11 21 00.04 +39 08 34.3 d 118
2003-04-04 23:51:12 C 11 20 57.61 +39 08 30.4 d 118
2003-04-04 23:53:12 C 11 20 57.04 +39 08 29.4 d 118
2003-04-04 23:59:15 C 11 20 55.39 +39 08 26.4 d 118
2003-04-05 23:45:10 C 11 14 34.77 +38 56 34.1 c 176
2003-04-05 23:46:59 C 11 14 34.27 +38 56 33.1 c 176
2003-04-05 23:50:00 C 11 14 33.44 +38 56 31.5 c 176
2003-04-05 23:53:30 C 11 14 32.47 +38 56 29.6 c 176
2003-04-05 23:56:19 C 11 14 31.69 +38 56 28.0 c 176
2003-04-07 20:35:49 C 11 02 26.19 +38 27 04.5 c 560
2003-04-07 20:42:31 C 11 02 24.29 +38 26 59.2 c 560
2003-04-08 06:40:31 C 10 59 40.19 +38 19 16.1 c 670
2003-04-08 07:13:22 C 10 59 31.03 +38 18 49.6 c 670
2003-04-08 07:38:01 C 10 59 24.08 +38 18 29.1 c 670
2003-04-15 04:11:30 C 10 14 22.17 +35 02 13.2 c 649
Radar Observations (3)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2011-10-25 20:22:00 -121655.1742 0.5 Hz 2380 -1 -1
2011-10-25 20:42:00 69444504.14 2 us 2380 -1 -1
2011-10-25 22:06:00 69711296.05 0.3 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)