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
2004-04-21 23:12:41 C 13 30 21.27 +52 10 01.5 c A41
2004-04-21 23:54:46 C 13 30 19.53 +52 09 14.0 o 198
2004-04-21 23:59:57 C 13 30 19.29 +52 09 08.2 o 198
2004-04-22 00:05:08 C 13 30 19.05 +52 09 02.4 o 198
2004-04-22 01:33:36 C 13 30 14.99 +52 07 21.4 o 198
2004-04-22 01:38:49 C 13 30 14.76 +52 07 15.3 o 198
2004-04-22 01:44:02 C 13 30 14.52 +52 07 09.5 o 198
2004-04-22 04:54:46 C 13 30 09.33 +52 03 42.6 o G73
2004-04-22 05:47:43 C 13 30 06.83 +52 02 45.1 o G73
2004-04-22 21:01:52 C 13 29 31.69 +51 45 41.6 o 084
2004-04-23 20:54:58 C 13 28 41.48 +51 19 24.5 o 084
2004-04-24 03:31:08 C 13 28 28.83 +51 12 18.1 17.7 d H67
2004-04-24 03:57:29 C 13 28 27.80 +51 11 49.5 17.6 d H67
2004-04-24 04:23:55 C 13 28 26.77 +51 11 21.3 17.6 d H67
2004-04-24 05:49:14 C 13 28 24.46 +51 09 50.2 c G70
2004-04-24 06:19:09 C 13 28 23.31 +51 09 18.3 c G70
2004-04-24 06:49:07 C 13 28 22.02 +51 08 45.1 c G70
2004-04-24 21:39:27 C 13 27 53.84 +50 52 28.0 o 084
2004-04-25 21:14:56 C 13 27 13.05 +50 26 59.8 o 084
2004-04-26 21:06:21 C 13 26 35.78 +50 01 26.7 o 084
2004-04-26 21:18:17 C 13 26 35.82 +50 01 18.3 c A41
2004-04-26 21:48:10 C 13 26 34.89 +50 00 46.9 c A41
2004-04-26 22:17:37 C 13 26 33.94 +50 00 15.1 c A41
2004-04-27 07:53:38 C 13 26 19.16 +49 50 02.1 c H41
2004-04-27 07:58:21 C 13 26 18.96 +49 49 58.0 c H41
2004-04-27 08:01:20 C 13 26 18.84 +49 49 54.2 c H41
2004-04-28 06:22:40 C 13 25 49.33 +49 26 13.7 c H41
2004-04-28 06:26:14 C 13 25 49.38 +49 26 10.2 c H41
2004-04-28 06:29:56 C 13 25 49.31 +49 26 04.8 c H41
2004-04-28 06:32:11 C 13 25 49.20 +49 26 03.5 c H41
2004-04-28 22:17:40 C 13 25 30.67 +49 09 21.8 r A16
2004-04-28 22:28:31 C 13 25 30.32 +49 09 10.6 r A16
2004-04-28 22:38:57 C 13 25 29.98 +49 08 59.6 r A16
2004-04-28 22:49:24 C 13 25 29.72 +49 08 49.4 r A16
2004-04-30 06:08:26 C 13 24 56.30 +48 36 03.8 18.6 c 704
2004-04-30 06:22:41 C 13 24 55.88 +48 35 48.9 18.7 c 704
2004-04-30 06:37:00 C 13 24 55.52 +48 35 33.0 18.7 c 704
2004-04-30 06:51:14 C 13 24 55.14 +48 35 18.3 18.6 c 704
2004-04-30 20:47:28 C 13 24 43.14 +48 20 43.1 r 170
2004-04-30 20:49:07 C 13 24 43.07 +48 20 41.3 r 170
2004-04-30 20:52:14 C 13 24 42.99 +48 20 38.0 r 170
2004-05-01 06:04:08 C 13 24 34.35 +48 11 08.6 c 926
2004-05-01 06:10:11 C 13 24 34.26 +48 11 02.1 c 926
2004-05-01 06:16:17 C 13 24 34.05 +48 10 55.4 c 926
2004-05-01 22:12:05 C 13 24 21.36 +47 54 21.7 r 176
2004-05-01 22:13:54 C 13 24 21.32 +47 54 19.8 r 176
2004-05-01 22:15:44 C 13 24 21.28 +47 54 17.9 r 176
2004-05-01 22:17:35 C 13 24 21.24 +47 54 16.0 r 176
2004-05-01 22:21:17 C 13 24 21.17 +47 54 12.2 r 176
2004-05-07 21:27:06 C 13 23 20.56 +45 27 48.7 o 084
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)