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
2010-08-14 02:51:22 C 17 54 11.84 +12 39 19.6 u I15
2010-08-28 08:11:24 C 17 50 25.050 +06 48 57.98 L F51
2010-08-28 08:28:09 C 17 50 25.056 +06 48 41.14 L F51
2011-03-23 19:26:53 C 03 42 22.95 +06 37 45.2 v 204
2011-03-23 19:37:31 C 03 42 25.55 +06 38 10.3 v 204
2011-03-23 19:46:12 C 03 42 27.67 +06 38 31.3 v 204
2011-03-29 03:06:27 C 04 14 53.91 +11 59 27.0 r 703
2011-03-29 03:14:30 C 04 14 56.07 +11 59 48.0 r 703
2011-03-29 03:22:37 C 04 14 58.20 +12 00 09.2 r 703
2011-03-29 03:30:41 C 04 15 00.36 +12 00 31.0 r 703
2011-04-16 21:18:34 C 06 35 35.48 +30 54 08.2 u B67
2011-04-16 21:31:08 C 06 35 39.78 +30 54 32.3 u B67
2011-04-16 21:44:00 C 06 35 44.26 +30 54 57.1 u B67
2011-04-17 20:54:11 C 06 43 47.48 +31 38 54.5 v 204
2011-04-17 21:05:16 C 06 43 51.32 +31 39 14.2 v 204
2011-04-17 21:16:19 C 06 43 55.18 +31 39 35.0 v 204
2011-04-19 19:31:32 C 07 00 02.30 +33 00 06.0 u 160
2011-04-19 19:33:40 C 07 00 03.01 +33 00 09.4 u 160
2011-04-19 19:35:48 C 07 00 03.78 +33 00 12.7 u 160
2011-04-20 19:39:06 C 07 08 26.42 +33 38 09.4 u 160
2011-04-20 19:42:04 C 07 08 27.44 +33 38 14.0 u 160
2011-04-20 19:45:02 C 07 08 28.47 +33 38 18.5 u 160
2011-04-21 19:46:04 C 07 16 49.09 +34 13 29.6 u 160
2011-04-21 19:49:01 C 07 16 50.14 +34 13 33.4 u 160
2011-04-21 19:51:57 C 07 16 51.18 +34 13 37.5 u 160
2011-04-23 03:00:03 C 07 27 37.07 +34 55 15.8 19.1 c 704
2011-04-23 03:15:39 C 07 27 42.26 +34 55 36.2 19.2 c 704
2011-04-23 03:31:30 C 07 27 47.66 +34 55 55.6 19.5 c 704
2011-04-23 03:47:19 C 07 27 53.06 +34 56 16.0 19.0 c 704
2011-04-23 04:02:59 C 07 27 58.38 +34 56 34.4 19.5 c 704
2011-04-28 02:41:42 C 08 07 57.18 +36 53 54.4 u 448
2011-04-28 02:50:57 C 08 08 00.19 +36 54 01.2 u 448
2011-04-28 03:00:11 C 08 08 03.19 +36 54 07.6 u 448
2011-04-29 04:15:53 C 08 16 15.74 +37 11 11.6 r 703
2011-04-29 04:27:40 C 08 16 19.52 +37 11 19.3 r 703
2011-04-29 04:39:37 C 08 16 23.30 +37 11 26.0 r 703
2011-04-29 04:51:27 C 08 16 27.08 +37 11 32.2 r 703
2011-05-22 03:45:15 C 10 37 23.78 +35 58 09.3 18.6 c 704
2011-05-22 04:02:02 C 10 37 26.93 +35 57 59.4 19.3 c 704
2011-05-22 04:29:08 C 10 37 32.13 +35 57 41.6 19.1 c 704
2011-05-22 04:45:21 C 10 37 35.15 +35 57 32.6 19.0 c 704
2011-05-22 05:01:43 C 10 37 38.18 +35 57 21.8 19.4 c 704
2013-06-28 08:14:24 C 21 42 34.26 +21 12 20.0 u H21
2013-06-28 08:24:44 C 21 42 34.24 +21 12 24.4 u H21
2013-06-28 08:35:46 C 21 42 34.19 +21 12 28.5 u H21
2013-07-06 23:24:15 C 21 40 22.99 +22 28 17.0 q A13
2013-07-06 23:45:42 C 21 40 22.58 +22 28 23.5 q A13
2013-07-23 07:18:13 C 21 26 09.09 +23 26 32.3 u H21
2013-07-23 07:24:45 C 21 26 08.70 +23 26 32.0 u H21
2013-07-23 07:30:36 C 21 26 08.37 +23 26 31.4 u H21
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)