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
2021-03-29 21:07:27 C 16 10 52.07 +48 34 00.4 V G33
2021-03-29 21:49:43 C 16 10 38.77 +48 34 53.8 V Z80
2021-03-29 21:53:53 C 16 10 37.51 +48 34 59.0 V Z80
2021-03-29 21:57:48 C 16 10 36.28 +48 35 04.6 V Z80
2021-03-30 10:19:06 C 16 06 44.61 +48 50 13.6 V 703
2021-03-30 10:26:58 C 16 06 42.07 +48 50 22.7 V 703
2021-03-30 10:34:49 C 16 06 39.54 +48 50 31.7 V 703
2021-03-30 10:42:43 C 16 06 37.01 +48 50 40.7 V 703
2021-03-30 19:32:34 C 16 03 59.46 +48 59 47.2 V L54
2021-03-30 20:24:52 C 16 03 43.81 +49 00 47.9 V L54
2021-03-30 21:21:58 C 16 03 26.55 +49 01 53.3 V L54
2021-03-30 22:11:56 C 16 03 11.33 +49 02 50.1 V L54
2021-03-30 23:33:46 C 16 02 46.26 +49 04 18.3 q 056
2021-03-30 23:41:01 C 16 02 43.92 +49 04 26.1 q 056
2021-03-30 23:48:15 C 16 02 41.83 +49 04 34.0 q 056
2021-03-30 23:55:31 C 16 02 39.59 +49 04 41.6 q 056
2021-03-31 00:02:45 C 16 02 37.34 +49 04 49.8 q 056
2021-03-31 01:01:58 C 16 02 19.13 +49 05 52.4 q 056
2021-03-31 01:16:27 C 16 02 14.76 +49 06 07.5 q 056
2021-03-31 01:23:43 C 16 02 12.45 +49 06 15.1 q 056
2021-03-31 02:21:40 C 16 01 54.56 +49 07 14.6 q 056
2021-03-31 12:01:50 C 15 59 06.87 +49 16 59.1 V T05
2021-03-31 12:04:28 C 15 59 06.10 +49 17 01.7 V T05
2021-03-31 12:09:04 C 15 59 04.67 +49 17 06.4 V T05
2021-03-31 12:24:36 C 15 58 59.92 +49 17 21.8 V T05
2021-03-31 19:40:42 C 15 56 56.20 +49 23 25.0 V L54
2021-03-31 20:38:52 C 15 56 39.60 +49 24 22.5 V L54
2021-03-31 21:47:00 C 15 56 20.00 +49 25 22.2 V A17
2021-03-31 21:52:29 C 15 56 18.34 +49 25 34.2 V L54
2021-03-31 21:58:20 C 15 56 16.76 +49 25 33.1 V A17
2021-03-31 22:07:43 C 15 56 13.95 +49 25 48.8 V L54
2021-03-31 22:09:38 C 15 56 13.50 +49 25 43.9 V A17
2021-03-31 22:33:36 C 15 56 06.27 +49 26 10.7 q 056
2021-03-31 22:40:50 C 15 56 04.14 +49 26 17.9 q 056
2021-03-31 22:48:06 C 15 56 02.12 +49 26 24.6 q 056
2021-03-31 23:09:50 C 15 55 55.71 +49 26 45.3 q 056
2021-03-31 23:10:43 C 15 55 55.54 +49 26 48.1 V L54
2021-03-31 23:17:06 C 15 55 53.60 +49 26 51.7 q 056
2021-03-31 23:24:20 C 15 55 51.45 +49 26 58.4 q 056
2021-03-31 23:31:36 C 15 55 49.34 +49 27 05.2 q 056
2021-03-31 23:39:14 C 15 55 47.20 +49 27 14.6 V L54
2021-04-01 21:06:15 C 15 49 52.50 +49 44 07.1 V Z80
2021-04-01 21:12:51 C 15 49 50.72 +49 44 12.9 V Z80
2021-04-01 21:19:44 C 15 49 48.88 +49 44 18.3 V Z80
2021-04-02 11:28:08 C 15 45 59.57 +49 54 38.6 V 703
2021-04-02 11:35:55 C 15 45 57.41 +49 54 44.4 V 703
2021-04-02 11:43:42 C 15 45 55.27 +49 54 48.0 V 703
2021-04-02 11:51:29 C 15 45 53.22 +49 54 53.4 V 703
2021-04-02 14:25:41 C 15 45 13.085 +49 56 41.17 U F52
2021-04-02 14:27:31 C 15 45 12.587 +49 56 42.31 U F52
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)