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
2021-04-11 08:43:15 C 15 00 23.17 +50 41 17.9 V 703
2021-04-11 08:49:24 C 15 00 22.05 +50 41 17.6 V G96
2021-04-11 08:51:12 C 15 00 21.76 +50 41 17.2 V 703
2021-04-11 08:59:29 C 15 00 20.18 +50 41 16.5 V 703
2021-04-11 09:08:01 C 15 00 18.63 +50 41 15.5 V 703
2021-04-11 19:21:44 C 14 58 35.67 +50 39 36.9 Y 557
2021-04-11 20:40:07 C 14 58 22.19 +50 39 30.4 Y 557
2021-04-11 21:55:43 C 14 58 09.04 +50 39 23.2 Y 557
2021-04-11 22:26:05 C 14 58 04.08 +50 39 16.5 V J95
2021-04-11 22:27:38 C 14 58 03.95 +50 39 17.5 V Z43
2021-04-11 22:29:24 C 14 58 03.53 +50 39 16.2 V J95
2021-04-11 22:32:38 C 14 58 02.94 +50 39 16.1 V J95
2021-04-11 22:35:53 C 14 58 02.40 +50 39 15.3 V J95
2021-04-11 22:36:54 C 14 58 02.33 +50 39 16.7 V Z43
2021-04-11 22:45:40 C 14 58 00.81 +50 39 15.5 V Z43
2021-04-11 22:55:04 C 14 57 59.18 +50 39 14.5 V Z43
2021-04-13 06:13:30 C 14 52 53.18 +50 33 36.9 U I41
2021-04-13 06:26:03 C 14 52 51.09 +50 33 34.9 U I41
2021-04-13 09:59:36 C 14 52 15.37 +50 32 52.0 U I41
2021-04-13 10:11:42 C 14 52 13.34 +50 32 49.1 U I41
2021-04-13 19:48:40 C 14 50 44.40 +50 30 29.8 Y N42
2021-04-13 19:49:58 C 14 50 44.18 +50 30 29.5 Y N42
2021-04-13 19:51:15 C 14 50 43.97 +50 30 29.1 Y N42
2021-04-13 19:52:33 C 14 50 43.77 +50 30 28.9 Y N42
2021-04-13 19:53:49 C 14 50 43.56 +50 30 28.6 Y N42
2021-04-13 19:55:06 C 14 50 43.35 +50 30 28.3 Y N42
2021-04-13 19:56:24 C 14 50 43.14 +50 30 27.9 Y N42
2021-04-13 19:57:41 C 14 50 42.93 +50 30 27.6 Y N42
2021-04-13 19:58:59 C 14 50 42.70 +50 30 27.3 Y N42
2021-04-13 20:00:16 C 14 50 42.52 +50 30 26.9 Y N42
2021-04-13 20:01:33 C 14 50 42.29 +50 30 26.4 Y N42
2021-04-13 20:02:50 C 14 50 42.07 +50 30 26.4 Y N42
2021-04-13 20:04:08 C 14 50 41.88 +50 30 26.0 Y N42
2021-04-13 20:05:25 C 14 50 41.67 +50 30 26.2 Y N42
2021-04-13 20:06:43 C 14 50 41.45 +50 30 25.4 Y N42
2021-04-13 20:08:00 C 14 50 41.25 +50 30 25.9 Y N42
2021-04-13 20:09:17 C 14 50 40.89 +50 30 25.1 Y N42
2021-04-13 20:10:34 C 14 50 40.85 +50 30 24.5 Y N42
2021-04-13 20:11:51 C 14 50 40.59 +50 30 24.4 Y N42
2021-04-13 20:13:09 C 14 50 40.39 +50 30 23.8 Y N42
2021-04-13 20:14:26 C 14 50 40.18 +50 30 23.4 Y N42
2021-04-13 20:15:44 C 14 50 40.00 +50 30 23.2 Y N42
2021-04-13 20:17:00 C 14 50 39.78 +50 30 22.9 Y N42
2021-04-13 20:18:18 C 14 50 39.58 +50 30 22.5 Y N42
2021-04-13 20:19:35 C 14 50 39.36 +50 30 22.3 Y N42
2021-04-13 20:20:53 C 14 50 39.16 +50 30 22.1 Y N42
2021-04-13 20:22:10 C 14 50 38.93 +50 30 21.6 Y N42
2021-04-13 20:23:28 C 14 50 38.72 +50 30 21.2 Y N42
2021-04-13 20:24:44 C 14 50 38.53 +50 30 21.0 Y N42
2021-04-13 20:26:01 C 14 50 38.32 +50 30 20.7 Y N42
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)