IAA RAS IAA Minor Planet Database

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
2021-03-24 01:35:42 C 17 01 59.39 +43 54 28.9 – V 094
2021-03-24 01:40:09 C 17 01 57.73 +43 54 37.4 – V L18
2021-03-24 01:40:27 C 17 01 57.62 +43 54 38.2 – V L18
2021-03-24 01:40:45 C 17 01 57.50 +43 54 39.1 – V L18
2021-03-24 01:41:03 C 17 01 57.35 +43 54 40.0 – V L18
2021-03-24 01:41:21 C 17 01 57.22 +43 54 41.1 – V L18
2021-03-24 01:41:39 C 17 01 57.09 +43 54 42.0 – V L18
2021-03-24 01:41:57 C 17 01 56.97 +43 54 42.8 – V L18
2021-03-24 01:42:15 C 17 01 56.83 +43 54 43.8 – V L18
2021-03-24 01:43:27 C 17 01 56.29 +43 54 47.4 – V L18
2021-03-24 01:43:45 C 17 01 56.16 +43 54 48.2 – V L18
2021-03-24 01:44:03 C 17 01 56.04 +43 54 49.2 – V L18
2021-03-24 01:44:21 C 17 01 55.91 +43 54 50.2 – V L18
2021-03-24 02:33:04 C 17 01 34.09 +43 57 22.4 – V 094
2021-03-24 02:34:09 C 17 01 33.67 +43 57 24.9 – V 094
2021-03-25 13:46:55 C 16 47 13.27 +45 32 20.3 – V T08
2021-03-25 13:49:34 C 16 47 12.18 +45 32 26.8 – V T08
2021-03-25 13:59:23 C 16 47 08.12 +45 32 50.7 – V T08
2021-03-25 14:16:40 C 16 47 00.99 +45 33 32.8 – V T08
2021-03-25 21:42:40 C 16 44 10.00 +45 50 13.6 – – L54
2021-03-25 22:13:49 C 16 43 57.64 +45 51 27.8 – V L18
2021-03-25 22:14:11 C 16 43 57.51 +45 51 28.7 – V L18
2021-03-25 22:14:33 C 16 43 57.32 +45 51 29.2 – V L18
2021-03-25 22:14:55 C 16 43 57.14 +45 51 30.9 – V L18
2021-03-25 22:15:17 C 16 43 57.00 +45 51 31.6 – V L18
2021-03-25 22:15:39 C 16 43 56.89 +45 51 32.1 – V L18
2021-03-25 22:16:01 C 16 43 56.73 +45 51 32.6 – V L18
2021-03-25 22:16:23 C 16 43 56.63 +45 51 33.7 – V L18
2021-03-25 22:16:45 C 16 43 56.45 +45 51 34.9 – V L18
2021-03-25 22:17:07 C 16 43 56.28 +45 51 36.0 – V L18
2021-03-25 22:17:29 C 16 43 56.15 +45 51 36.6 – V L18
2021-03-25 22:17:51 C 16 43 56.04 +45 51 37.6 – V L18
2021-03-25 22:18:13 C 16 43 55.89 +45 51 37.9 – V L18
2021-03-25 22:18:35 C 16 43 55.76 +45 51 39.1 – V L18
2021-03-25 22:18:57 C 16 43 55.56 +45 51 40.1 – V L18
2021-03-25 22:20:14 C 16 43 55.37 +45 51 43.4 – – L54
2021-03-25 23:02:59 C 16 43 38.59 +45 53 24.9 – – L54
2021-03-25 23:45:45 C 16 43 21.76 +45 55 05.8 – – L54
2021-03-25 23:48:00 C 16 43 20.82 +45 55 07.4 – q 056
2021-03-25 23:52:45 C 16 43 18.96 +45 55 17.9 – q 056
2021-03-25 23:57:28 C 16 43 17.10 +45 55 29.7 – q 056
2021-03-26 00:02:13 C 16 43 15.21 +45 55 40.5 – q 056
2021-03-26 00:06:59 C 16 43 13.34 +45 55 52.1 – q 056
2021-03-26 00:11:44 C 16 43 11.46 +45 56 03.1 – q 056
2021-03-26 00:29:23 C 16 43 04.51 +45 56 47.8 – – L54
2021-03-26 01:07:22 C 16 42 49.53 +45 58 15.3 – – L54
2021-03-26 02:23:15 C 16 42 19.41 +46 01 04.3 – q 056
2021-03-26 02:28:00 C 16 42 17.54 +46 01 14.6 – q 056
2021-03-26 02:32:45 C 16 42 15.68 +46 01 25.4 – q 056
2021-03-26 02:37:30 C 16 42 13.78 +46 01 35.8 – q 056
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)