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
2021-04-02 14:34:59 C 15 45 10.521 +49 56 46.79 U F52
2021-04-02 14:36:49 C 15 45 10.012 +49 56 48.00 U F52
2021-04-02 14:44:16 C 15 45 07.952 +49 56 52.42 U F52
2021-04-02 14:46:07 C 15 45 07.457 +49 56 53.57 U F52
2021-04-02 14:48:49 C 15 45 06.66 +49 56 55.6 V T08
2021-04-02 14:53:33 C 15 45 05.395 +49 56 57.95 U F52
2021-04-02 14:54:48 C 15 45 05.00 +49 56 59.2 V T08
2021-04-02 15:03:27 C 15 45 02.62 +49 57 04.2 V T08
2021-04-02 15:23:28 C 15 44 57.12 +49 57 15.9 V T08
2021-04-02 20:38:07 C 15 43 40.08 +50 00 04.8 V L54
2021-04-02 21:22:05 C 15 43 28.57 +50 00 35.1 V L54
2021-04-02 22:52:22 C 15 43 04.65 +50 01 35.5 V L54
2021-04-02 23:03:03 C 15 43 01.86 +50 01 41.7 V L54
2021-04-03 08:48:15 C 15 40 33.28 +50 07 25.5 U I41
2021-04-03 08:49:37 C 15 40 32.92 +50 07 26.3 U I41
2021-04-03 09:21:24 C 15 40 24.53 +50 07 45.0 U I41
2021-04-03 09:22:46 C 15 40 24.17 +50 07 45.8 U I41
2021-04-03 18:35:09 C 15 38 08.17 +50 12 28.1 V N31
2021-04-03 18:40:27 C 15 38 06.83 +50 12 31.1 V N31
2021-04-03 18:45:46 C 15 38 05.46 +50 12 34.1 V N31
2021-04-03 18:56:11 C 15 38 02.79 +50 12 40.1 V N31
2021-04-03 19:02:02 C 15 38 01.21 +50 12 42.8 V N31
2021-04-03 21:20:24 C 15 37 27.38 +50 13 35.0 Y 557
2021-04-03 21:33:21 C 15 37 24.18 +50 13 42.3 Y 557
2021-04-03 21:46:20 C 15 37 20.91 +50 13 49.5 Y 557
2021-04-04 14:48:56 C 15 33 11.19 +50 21 49.8 V T05
2021-04-04 14:54:58 C 15 33 09.67 +50 21 51.9 V T05
2021-04-04 15:07:28 C 15 33 06.57 +50 21 56.3 V T05
2021-04-04 15:21:08 C 15 33 03.16 +50 22 00.9 V T05
2021-04-04 22:12:00 C 15 31 30.45 +50 24 22.2 Y 557
2021-04-04 23:16:48 C 15 31 14.89 +50 24 49.8 Y 557
2021-04-05 00:21:36 C 15 30 59.25 +50 25 16.0 Y 557
2021-04-05 01:26:24 C 15 30 43.58 +50 25 40.6 Y 557
2021-04-05 02:32:52 C 15 30 27.53 +50 26 04.1 Y 557
2021-04-05 03:32:29 C 15 30 13.19 +50 26 23.5 Y 557
2021-04-05 09:34:52 C 15 28 51.50 +50 28 40.1 V 703
2021-04-05 09:43:03 C 15 28 49.52 +50 28 42.8 V 703
2021-04-05 09:51:38 C 15 28 47.46 +50 28 45.6 V 703
2021-04-05 10:00:13 C 15 28 45.37 +50 28 48.5 V 703
2021-04-05 19:51:58 C 15 26 34.42 +50 31 29.0 V L54
2021-04-05 20:40:38 C 15 26 23.39 +50 31 46.8 V L54
2021-04-05 21:37:37 C 15 26 10.29 +50 32 06.8 V L54
2021-04-05 22:52:25 C 15 25 53.16 +50 32 33.2 V L54
2021-04-06 11:14:20 C 15 23 10.30 +50 35 55.8 V T08
2021-04-06 11:19:00 C 15 23 09.24 +50 35 57.0 V T08
2021-04-06 11:27:00 C 15 23 07.39 +50 35 59.1 V T08
2021-04-06 11:41:38 C 15 23 04.02 +50 36 03.1 V T08
2021-04-07 07:47:40 C 15 18 48.61 +50 39 47.8 U I41
2021-04-07 07:49:03 C 15 18 48.31 +50 39 48.1 U I41
2021-04-07 08:47:36 C 15 18 35.48 +50 39 59.8 U I41
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)