271480 (2004 FX31)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4419607272 ± 3.74e-09
Semi-major axis (a)1.2604647517 AU ± 1.59e-10
Inclination (i)24.75238158° ± 1.49e-06
Long. of Asc. Node (Ω)169.12110184° ± 1.43e-06
Arg. of Perihelion (ω)285.81371081° ± 1.74e-06
Mean Anomaly (M)149.28481106° ± 1.03e-06
Mean Motion (n)0.6964921375°/day ± 1.32e-10
Perihelion dist (q)0.70338883 AU ± 4.72e-09
Aphelion dist (Q)1.81754067 AU ± 4.72e-09
Orbital Period1.41512909 yr ± 2.68e-10
Physical Parameters
H (abs. magnitude)17.66
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.227″
Uncertainty0
Orbit TypeApollo
MOID0.066539 AU
Observations Used1532
Radar Obs Used2
Gaia Obs Used32
Oppositions8
Arc Total1990-2017
First Observation Used1990-06-22
Last Observation Used2024-08-20
Observations (1620)
Date Type RA Dec Mag Band Observatory
2004-04-14 22:30:49 C 13 39 34.46 +55 28 35.0 c 215
2004-04-14 22:31:23 C 13 39 34.45 +55 28 34.0 c 215
2004-04-14 22:31:58 C 13 39 34.36 +55 28 33.4 c 215
2004-04-15 08:40:24 C 13 38 49.07 +55 15 56.4 c H41
2004-04-15 08:42:50 C 13 38 48.90 +55 15 52.0 c H41
2004-04-15 08:44:45 C 13 38 48.77 +55 15 49.2 c H41
2004-04-15 08:46:35 C 13 38 48.64 +55 15 48.0 c H41
2004-04-15 20:31:29 C 13 38 03.55 +55 01 08.5 c 127
2004-04-15 20:47:30 C 13 38 02.37 +55 00 49.5 c 127
2004-04-15 20:55:34 C 13 38 01.78 +55 00 40.0 c 127
2004-04-15 21:03:35 C 13 38 01.20 +55 00 30.3 c 127
2004-04-16 04:40:41 C 13 37 30.40 +54 51 23.8 16.8 d H72
2004-04-16 04:45:22 C 13 37 30.21 +54 51 18.6 17.5 d H72
2004-04-16 04:50:02 C 13 37 29.77 +54 51 12.4 17.6 d H72
2004-04-16 04:54:42 C 13 37 29.44 +54 51 07.3 17.1 d H72
2004-04-16 08:07:58 C 13 37 15.31 +54 47 05.3 r H41
2004-04-16 08:10:32 C 13 37 15.05 +54 47 01.9 r H41
2004-04-16 08:12:41 C 13 37 14.95 +54 46 58.9 r H41
2004-04-16 08:15:19 C 13 37 14.77 +54 46 55.9 r H41
2004-04-16 08:17:26 C 13 37 14.56 +54 46 53.8 r H41
2004-04-16 22:10:53 C 13 36 23.49 +54 29 55.4 o 084
2004-04-16 22:16:31 C 13 36 23.12 +54 29 48.7 o 084
2004-04-17 21:48:26 C 13 35 00.41 +54 01 43.7 o 084
2004-04-17 21:54:05 C 13 35 00.06 +54 01 36.9 o 084
2004-04-18 04:52:46 C 13 34 36.99 +53 53 36.7 16.9 d H72
2004-04-18 04:57:26 C 13 34 36.71 +53 53 31.3 17.0 d H72
2004-04-18 05:02:07 C 13 34 36.42 +53 53 25.8 17.3 d H72
2004-04-18 08:26:28 C 13 34 23.65 +53 49 19.2 c H41
2004-04-18 08:31:49 C 13 34 23.36 +53 49 12.0 c H41
2004-04-18 08:33:39 C 13 34 23.26 +53 49 10.8 c H41
2004-04-18 08:35:32 C 13 34 23.16 +53 49 07.8 c H41
2004-04-18 08:37:20 C 13 34 23.01 +53 49 05.3 c H41
2004-04-18 22:19:31 C 13 33 40.69 +53 32 58.1 o 084
2004-04-18 22:25:10 C 13 33 40.34 +53 32 51.6 o 084
2004-04-19 06:35:09 C 13 33 15.36 +53 23 33.8 c H41
2004-04-19 06:40:21 C 13 33 14.95 +53 23 26.6 c H41
2004-04-19 06:43:17 C 13 33 14.69 +53 23 23.7 c H41
2004-04-19 06:46:23 C 13 33 14.55 +53 23 18.6 c H41
2004-04-19 06:48:50 C 13 33 14.38 +53 23 16.1 c H41
2004-04-19 21:50:41 C 13 32 30.83 +53 05 48.3 o 084
2004-04-19 21:56:19 C 13 32 30.41 +53 05 41.7 o 084
2004-04-21 06:19:05 C 13 31 03.87 +52 29 03.6 c G70
2004-04-21 06:49:07 C 13 31 02.41 +52 28 30.1 c G70
2004-04-21 07:19:05 C 13 31 00.82 +52 27 55.9 c G70
2004-04-21 20:51:10 C 13 30 28.16 +52 12 38.5 c 151
2004-04-21 20:53:26 C 13 30 28.10 +52 12 36.2 c 151
2004-04-21 20:56:13 C 13 30 27.94 +52 12 33.1 c 151
2004-04-21 21:00:32 C 13 30 27.77 +52 12 28.1 c 151
2004-04-21 22:12:43 C 13 30 24.16 +52 11 09.4 c A41
2004-04-21 22:42:36 C 13 30 22.78 +52 10 36.1 c A41
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2021-03-11 13:30:00 -21336.7 0.2 Hz 8560 -14 -14
2021-03-11 13:50:00 92495785 10 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)