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
2021-04-22 18:53:35 C 14 23 41.90 +49 00 21.0 Y N42
2021-04-22 18:57:10 C 14 23 41.51 +49 00 19.4 Y N42
2021-04-22 18:58:58 C 14 23 41.30 +49 00 17.7 Y N42
2021-04-22 19:02:35 C 14 23 40.94 +49 00 16.0 Y N42
2021-04-22 19:04:22 C 14 23 40.76 +49 00 15.5 Y N42
2021-04-22 19:06:10 C 14 23 40.56 +49 00 14.3 Y N42
2021-04-22 19:07:58 C 14 23 40.35 +49 00 13.0 Y N42
2021-04-22 19:09:45 C 14 23 40.18 +49 00 12.8 Y N42
2021-04-22 19:15:07 C 14 23 39.55 +49 00 09.2 Y N42
2021-04-22 19:16:55 C 14 23 39.38 +49 00 08.3 Y N42
2021-04-22 19:18:42 C 14 23 39.20 +49 00 07.1 Y N42
2021-04-22 19:20:30 C 14 23 38.99 +49 00 06.0 Y N42
2021-04-22 19:22:17 C 14 23 38.82 +49 00 05.3 Y N42
2021-04-22 19:24:04 C 14 23 38.64 +49 00 03.9 Y N42
2021-04-22 19:25:52 C 14 23 38.42 +49 00 03.2 Y N42
2021-04-22 19:31:16 C 14 23 37.85 +49 00 00.1 Y N42
2021-04-22 19:33:03 C 14 23 37.67 +48 59 59.0 Y N42
2021-04-22 19:36:39 C 14 23 37.27 +48 59 57.0 Y N42
2021-04-22 19:38:26 C 14 23 37.08 +48 59 56.0 Y N42
2021-04-22 19:40:14 C 14 23 36.88 +48 59 55.1 Y N42
2021-04-22 19:42:01 C 14 23 36.68 +48 59 54.2 Y N42
2021-04-22 19:43:49 C 14 23 36.51 +48 59 52.8 Y N42
2021-04-23 07:13:37 C 14 22 28.54 +48 53 24.6 V 703
2021-04-23 07:22:29 C 14 22 27.65 +48 53 19.4 V 703
2021-04-23 07:31:52 C 14 22 26.66 +48 53 14.0 V 703
2021-04-23 07:41:18 C 14 22 25.65 +48 53 08.7 V 703
2021-04-23 21:38:27 C 14 21 05.73 +48 44 52.2 V Z80
2021-04-23 21:45:02 C 14 21 05.14 +48 44 49.2 V Z80
2021-04-23 21:51:42 C 14 21 04.45 +48 44 44.8 V Z80
2021-04-24 09:44:29 C 14 19 57.27 +48 37 52.3 V T05
2021-04-24 10:11:28 C 14 19 54.56 +48 37 36.7 V T05
2021-04-24 10:15:51 C 14 19 54.12 +48 37 34.0 V T05
2021-04-24 10:23:54 C 14 19 53.30 +48 37 29.0 V T05
2021-04-24 10:26:39 C 14 19 53.01 +48 37 27.8 V T05
2021-04-24 10:35:21 C 14 19 52.16 +48 37 22.2 V T05
2021-04-24 10:52:59 C 14 19 50.36 +48 37 11.7 V T05
2021-04-24 11:01:45 C 14 19 49.47 +48 37 06.4 V T05
2021-04-25 07:16:29 C 14 17 59.95 +48 24 39.1 V 703
2021-04-25 07:24:41 C 14 17 59.22 +48 24 33.9 V 703
2021-04-25 07:32:44 C 14 17 58.43 +48 24 29.1 V 703
2021-04-25 07:40:38 C 14 17 57.63 +48 24 23.9 V 703
2021-04-25 16:20:54 C 14 17 13.36 +48 18 55.8 V N31
2021-04-25 16:33:59 C 14 17 12.08 +48 18 48.9 V N31
2021-04-28 01:51:16 C 14 12 32.04 +47 41 18.0 X W34
2021-04-28 02:02:36 C 14 12 31.06 +47 41 11.1 X W34
2021-04-28 02:13:50 C 14 12 30.21 +47 41 03.6 X W34
2021-04-28 10:21:23 C 14 11 52.04 +47 35 40.1 V T05
2021-04-28 10:26:00 C 14 11 51.64 +47 35 37.1 V T05
2021-04-28 10:33:55 C 14 11 51.03 +47 35 31.5 V T05
2021-04-28 10:49:48 C 14 11 49.71 +47 35 19.6 V T05
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)