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
2003-04-15 04:15:46 C 10 14 21.01 +35 02 05.4 c 649
2003-04-15 04:18:19 C 10 14 20.28 +35 02 02.7 c 649
2003-04-19 20:21:53 C 09 45 06.59 +31 40 55.2 c 540
2003-04-19 20:27:28 C 09 45 05.13 +31 40 44.3 c 540
2003-04-19 20:34:38 C 09 45 03.30 +31 40 29.4 c 540
2003-04-20 20:23:34 C 09 39 06.98 +30 51 45.3 d 941
2003-04-20 20:24:28 C 09 39 06.77 +30 51 43.2 d 941
2003-04-20 20:25:22 C 09 39 06.59 +30 51 41.7 d 941
2003-04-20 20:26:16 C 09 39 06.36 +30 51 40.0 d 941
2003-04-20 20:27:10 C 09 39 06.12 +30 51 38.0 d 941
2003-04-21 20:01:11 C 09 33 19.62 +30 01 29.8 d 170
2003-04-21 20:04:25 C 09 33 18.80 +30 01 22.9 d 170
2003-04-21 20:06:02 C 09 33 18.37 +30 01 19.6 d 170
2003-04-24 19:56:59 C 09 16 21.97 +27 18 22.2 c 113
2003-04-24 19:58:19 C 09 16 21.69 +27 18 18.8 c 113
2003-04-25 03:59:23 C 09 14 31.99 +26 59 27.6 c 926
2003-04-25 04:01:31 C 09 14 31.55 +26 59 22.8 c 926
2003-04-25 04:03:40 C 09 14 30.93 +26 59 17.3 c 926
2003-05-01 03:44:03 C 08 43 52.68 +20 58 23.5 c 926
2003-05-01 03:46:12 C 08 43 52.14 +20 58 17.6 c 926
2003-05-01 03:48:19 C 08 43 51.62 +20 58 12.0 c 926
2003-05-03 20:30:36 C 08 31 12.60 +18 07 32.3 d 941
2003-05-03 20:31:44 C 08 31 12.37 +18 07 28.9 d 941
2003-05-03 20:32:53 C 08 31 12.14 +18 07 26.0 d 941
2003-05-03 20:34:02 C 08 31 11.91 +18 07 22.5 d 941
2003-05-03 20:35:10 C 08 31 11.69 +18 07 19.4 d 941
2003-05-05 03:40:39 C 08 25 19.16 +16 44 36.7 o 699
2003-05-05 04:01:25 C 08 25 15.14 +16 43 40.4 o 699
2003-05-05 04:22:14 C 08 25 11.16 +16 42 45.2 o 699
2003-05-05 04:43:01 C 08 25 07.13 +16 41 48.3 o 699
2003-09-20 12:00:38 C 06 59 39.77 +37 22 53.3 d 291
2003-09-21 11:47:34 C 07 01 31.77 +37 43 41.4 d 291
2003-09-21 11:54:41 C 07 01 32.32 +37 43 47.8 d 291
2003-09-21 12:01:31 C 07 01 32.84 +37 43 53.5 d 291
2003-10-30 15:25:28 C 07 50 53.431 +52 40 48.77 o 568
2003-10-30 15:30:16 C 07 50 53.471 +52 40 54.13 o 568
2006-02-02 14:34:42 C 10 12 38.20 +58 49 29.3 o F65
2006-02-02 14:39:58 C 10 12 37.67 +58 49 31.1 o F65
2006-02-02 14:44:13 C 10 12 37.25 +58 49 32.9 o F65
2006-12-11 02:06:57 C 22 23 19.52 +01 55 25.4 d 291
2006-12-11 02:12:21 C 22 23 20.57 +01 55 37.1 d 291
2006-12-11 02:17:48 C 22 23 21.51 +01 55 51.0 d 291
2008-01-15 10:52:03 C 13 59 52.12 +11 24 48.1 22.1 o H55
2008-01-15 11:07:16 C 13 59 53.24 +11 24 42.9 22.1 o H55
2008-01-15 11:22:38 C 13 59 54.41 +11 24 37.9 22.0 o H55
2008-03-01 11:34:02 C 15 40 05.78 +02 11 58.8 r 448
2008-03-01 12:02:55 C 15 40 09.37 +02 11 32.7 r 448
2008-03-01 12:27:48 C 15 40 12.41 +02 11 09.7 r 448
2008-03-02 12:15:33 C 15 43 15.57 +01 48 45.0 o 291
2008-03-02 12:21:19 C 15 43 16.38 +01 48 39.5 o 291
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)