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
2021-04-07 08:51:59 C 15 18 34.51 +50 40 00.6 U I41
2021-04-07 08:53:21 C 15 18 34.21 +50 40 00.9 U I41
2021-04-08 07:39:18 C 15 13 57.31 +50 42 41.4 U I41
2021-04-08 08:42:21 C 15 13 44.10 +50 42 49.1 U I41
2021-04-08 08:43:03 C 15 13 43.96 +50 42 49.2 U I41
2021-04-08 09:21:16 C 15 13 35.93 +50 42 53.0 U I41
2021-04-08 10:03:58 C 15 13 26.66 +50 42 56.9 V 703
2021-04-08 10:11:45 C 15 13 25.02 +50 42 57.2 V 703
2021-04-08 10:19:29 C 15 13 23.40 +50 42 57.7 V 703
2021-04-08 10:27:15 C 15 13 21.77 +50 42 58.0 V 703
2021-04-08 12:28:15 C 15 12 58.634 +50 43 13.25 U F52
2021-04-08 12:47:46 C 15 12 54.522 +50 43 14.51 U F52
2021-04-08 13:07:12 C 15 12 50.442 +50 43 15.58 U F52
2021-04-08 13:26:36 C 15 12 46.376 +50 43 16.45 U F52
2021-04-08 22:32:51 C 15 11 01.96 +50 43 27.5 Y 557
2021-04-08 23:40:52 C 15 10 48.29 +50 43 32.3 Y 557
2021-04-09 00:43:17 C 15 10 35.73 +50 43 35.3 Y 557
2021-04-09 02:34:28 C 15 10 13.41 +50 43 37.6 Y 557
2021-04-09 17:12:14 C 15 07 30.59 +50 43 45.1 V N31
2021-04-09 17:17:34 C 15 07 29.59 +50 43 45.1 V N31
2021-04-09 17:28:14 C 15 07 27.51 +50 43 45.8 V N31
2021-04-09 17:33:33 C 15 07 26.51 +50 43 46.3 V N31
2021-04-09 17:38:54 C 15 07 25.41 +50 43 46.6 V N31
2021-04-09 17:49:28 C 15 07 23.37 +50 43 46.9 V N31
2021-04-09 17:54:44 C 15 07 22.34 +50 43 46.7 V N31
2021-04-09 18:00:01 C 15 07 21.32 +50 43 47.2 V N31
2021-04-09 18:05:17 C 15 07 20.31 +50 43 47.7 V N31
2021-04-09 18:10:35 C 15 07 19.24 +50 43 48.2 V N31
2021-04-09 18:13:13 C 15 07 18.73 +50 43 48.5 V N31
2021-04-09 19:15:17 C 15 07 06.84 +50 43 45.2 V 186
2021-04-09 19:37:00 C 15 07 02.54 +50 43 45.6 V 186
2021-04-09 23:07:40 C 15 06 21.41 +50 43 40.6 V 186
2021-04-09 23:17:58 C 15 06 19.43 +50 43 40.4 V 186
2021-04-09 23:56:49 C 15 06 13.94 +50 43 35.0 Y 557
2021-04-10 01:38:17 C 15 05 54.43 +50 43 31.8 Y 557
2021-04-10 02:46:03 C 15 05 41.45 +50 43 27.8 Y 557
2021-04-10 05:10:05 C 15 05 18.53 +50 43 19.2 Z U76
2021-04-10 05:34:20 C 15 05 13.92 +50 43 20.2 Z U76
2021-04-10 06:00:06 C 15 05 09.11 +50 43 20.8 Z U76
2021-04-10 11:45:42 C 15 04 04.88 +50 43 16.4 V T08
2021-04-10 11:50:21 C 15 04 03.95 +50 43 16.0 V T08
2021-04-10 11:54:19 C 15 04 03.19 +50 43 15.9 V T08
2021-04-10 12:01:41 C 15 04 01.79 +50 43 15.6 V T08
2021-04-10 19:07:30 C 15 02 46.98 +50 42 32.9 V 186
2021-04-10 19:12:08 C 15 02 46.12 +50 42 32.6 V 186
2021-04-10 23:04:25 C 15 02 02.79 +50 42 13.0 V 186
2021-04-10 23:09:35 C 15 02 01.78 +50 42 12.3 V 186
2021-04-11 08:26:43 C 15 00 26.22 +50 41 20.0 V G96
2021-04-11 08:34:17 C 15 00 24.83 +50 41 19.2 V G96
2021-04-11 08:41:50 C 15 00 23.43 +50 41 18.4 V G96
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)