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
1990-06-22 04:45:59 16 30 30.26 +27 51 40.5 19.6 c 261
1990-06-22 05:50:59 16 30 26.21 +27 51 03.8 19.8 c 261
2000-06-09 13:17:03 C 18 18 25.73 +26 17 36.3 c 608
2000-06-09 13:34:02 C 18 18 24.46 +26 17 39.3 c 608
2000-06-09 13:50:21 C 18 18 23.17 +26 17 42.6 c 608
2004-03-31 05:42:47 C 14 39 06.74 +65 16 06.1 o 699
2004-03-31 06:06:34 C 14 38 57.19 +65 15 13.5 o 699
2004-03-31 06:30:26 C 14 38 47.64 +65 14 20.4 o 699
2004-03-31 06:54:16 C 14 38 37.97 +65 13 27.3 o 699
2004-03-31 07:45:35 C 14 38 15.47 +65 11 32.8 o 649
2004-03-31 07:47:49 C 14 38 17.07 +65 11 25.2 c 673
2004-03-31 07:48:08 C 14 38 14.44 +65 11 26.8 o 649
2004-03-31 07:49:49 C 14 38 16.31 +65 11 20.8 c 673
2004-03-31 07:50:41 C 14 38 13.41 +65 11 20.8 o 649
2004-03-31 07:52:00 C 14 38 15.46 +65 11 16.1 c 673
2004-03-31 09:00:44 C 14 37 46.94 +65 08 42.1 c 854
2004-03-31 09:10:21 C 14 37 43.08 +65 08 19.9 c 854
2004-03-31 09:23:11 C 14 37 37.90 +65 07 50.0 c 854
2004-03-31 10:11:09 C 14 37 19.46 +65 05 57.5 c 673
2004-03-31 10:18:29 C 14 37 16.57 +65 05 40.3 c 673
2004-03-31 10:23:19 C 14 37 14.58 +65 05 28.7 c 673
2004-03-31 20:34:40 C 14 33 42.06 +64 41 36.8 c 176
2004-03-31 20:35:59 C 14 33 41.59 +64 41 34.0 c 176
2004-03-31 20:37:20 C 14 33 41.13 +64 41 31.2 c 176
2004-03-31 20:38:38 C 14 33 40.67 +64 41 28.4 c 176
2004-03-31 20:39:59 C 14 33 40.20 +64 41 25.6 c 176
2004-03-31 21:40:09 C 14 33 17.94 +64 39 15.4 o A16
2004-03-31 21:43:18 C 14 33 16.79 +64 39 08.5 o A16
2004-03-31 21:44:35 C 14 33 16.21 +64 39 05.8 o A16
2004-03-31 21:57:38 C 14 33 11.77 +64 38 37.6 o A16
2004-03-31 22:01:58 C 14 33 10.16 +64 38 28.2 o A16
2004-03-31 22:03:04 C 14 33 09.76 +64 38 25.6 o A16
2004-03-31 22:08:30 C 14 33 07.84 +64 38 13.6 o A16
2004-03-31 23:27:29 C 14 32 37.85 +64 35 25.3 c A50
2004-03-31 23:32:33 C 14 32 36.05 +64 35 13.7 c A50
2004-03-31 23:44:07 C 14 32 31.76 +64 34 47.2 c A50
2004-03-31 23:49:10 C 14 32 29.94 +64 34 36.5 c A50
2004-03-31 23:54:12 C 14 32 28.12 +64 34 24.8 c A50
2004-04-01 05:02:49 C 14 30 49.66 +64 22 53.8 o 649
2004-04-01 05:05:21 C 14 30 48.80 +64 22 48.5 o 649
2004-04-01 05:07:54 C 14 30 47.91 +64 22 43.1 o 649
2004-04-01 20:00:55 C 14 26 08.39 +63 49 57.8 c A83
2004-04-01 20:07:33 C 14 26 06.35 +63 49 43.7 c A83
2004-04-01 20:14:11 C 14 26 04.34 +63 49 30.3 c A83
2004-04-01 22:28:41 C 14 25 25.29 +63 44 55.2 o A16
2004-04-01 22:35:51 C 14 25 23.05 +63 44 41.1 o A16
2004-04-01 22:43:02 C 14 25 20.82 +63 44 26.4 o A16
2004-04-01 22:49:13 C 14 25 18.98 +63 44 13.4 o A16
2004-04-01 22:54:14 C 14 25 17.41 +63 44 02.8 o A16
2004-04-02 14:48:48 C 14 20 52.00 +63 11 02.1 m 379
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)