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
2021-04-13 20:27:19 C 14 50 38.10 +50 30 20.3 Y N42
2021-04-13 20:28:36 C 14 50 37.90 +50 30 20.1 Y N42
2021-04-13 20:29:54 C 14 50 37.68 +50 30 19.6 Y N42
2021-04-13 20:31:11 C 14 50 37.48 +50 30 19.4 Y N42
2021-04-13 20:32:28 C 14 50 37.27 +50 30 19.1 Y N42
2021-04-13 20:33:45 C 14 50 37.05 +50 30 18.6 Y N42
2021-04-13 20:35:03 C 14 50 36.84 +50 30 18.7 Y N42
2021-04-13 20:36:20 C 14 50 36.63 +50 30 18.2 Y N42
2021-04-13 20:37:38 C 14 50 36.43 +50 30 18.0 Y N42
2021-04-13 20:38:55 C 14 50 36.24 +50 30 17.7 Y N42
2021-04-13 20:40:12 C 14 50 36.00 +50 30 17.3 Y N42
2021-04-13 20:41:29 C 14 50 35.80 +50 30 16.9 Y N42
2021-04-13 20:42:46 C 14 50 35.59 +50 30 16.5 Y N42
2021-04-13 20:44:04 C 14 50 35.39 +50 30 16.2 Y N42
2021-04-13 20:45:21 C 14 50 35.18 +50 30 15.8 Y N42
2021-04-13 20:46:39 C 14 50 34.97 +50 30 15.6 Y N42
2021-04-13 20:47:55 C 14 50 34.76 +50 30 15.2 Y N42
2021-04-13 20:49:13 C 14 50 34.56 +50 30 14.9 Y N42
2021-04-13 20:50:30 C 14 50 34.35 +50 30 14.5 Y N42
2021-04-13 20:51:48 C 14 50 34.12 +50 30 14.3 Y N42
2021-04-16 09:21:21 C 14 41 48.94 +50 12 02.6 V T05
2021-04-16 09:44:29 C 14 41 45.56 +50 11 55.4 V T05
2021-04-16 09:52:04 C 14 41 44.45 +50 11 52.9 V T05
2021-04-16 22:21:29 C 14 40 03.15 +50 07 07.4 V 130
2021-04-16 22:24:21 C 14 40 02.76 +50 07 06.5 V 130
2021-04-16 22:27:13 C 14 40 02.36 +50 07 05.4 V 130
2021-04-16 22:30:47 C 14 40 01.85 +50 07 04.2 V 130
2021-04-17 04:43:07 C 14 39 13.58 +50 04 39.9 Z U76
2021-04-17 05:04:43 C 14 39 10.60 +50 04 33.2 Z U76
2021-04-17 05:26:07 C 14 39 07.70 +50 04 25.7 Z U76
2021-04-17 07:21:57 C 14 38 51.60 +50 03 45.7 U I41
2021-04-17 08:06:38 C 14 38 45.35 +50 03 28.9 U I41
2021-04-17 08:17:44 C 14 38 43.81 +50 03 24.7 U I41
2021-04-17 08:28:44 C 14 38 42.04 +50 03 20.8 V 703
2021-04-17 08:37:47 C 14 38 40.74 +50 03 17.5 V 703
2021-04-17 08:46:25 C 14 38 39.56 +50 03 13.9 V 703
2021-04-17 08:54:48 C 14 38 38.38 +50 03 10.5 V 703
2021-04-17 09:52:39 C 14 38 30.54 +50 02 46.8 U I41
2021-04-17 09:54:01 C 14 38 30.35 +50 02 46.2 U I41
2021-04-17 09:55:24 C 14 38 30.16 +50 02 45.6 U I41
2021-04-17 21:43:43 C 14 37 00.83 +49 57 49.7 V Z43
2021-04-17 21:53:07 C 14 36 59.56 +49 57 46.0 V Z43
2021-04-17 22:02:05 C 14 36 58.37 +49 57 43.0 V Z43
2021-04-17 22:11:03 C 14 36 57.21 +49 57 39.1 V Z43
2021-04-18 01:05:01 C 14 36 33.38 +49 56 25.8 o 069
2021-04-18 01:20:02 C 14 36 31.41 +49 56 19.3 o 069
2021-04-18 01:35:02 C 14 36 29.44 +49 56 12.7 o 069
2021-04-18 10:05:14 C 14 35 26.94 +49 52 51.5 V T08
2021-04-18 10:08:33 C 14 35 26.48 +49 52 50.3 V T08
2021-04-18 10:12:32 C 14 35 25.96 +49 52 48.6 V T08
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)