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
2013-07-23 07:35:49 C 21 26 08.08 +23 26 31.4 u H21
2013-07-25 01:14:14 C 21 23 46.04 +23 23 00.4 20.1 u J43
2013-07-25 01:30:54 C 21 23 45.05 +23 22 59.2 19.6 u J43
2013-07-25 01:47:32 C 21 23 43.99 +23 22 56.8 18.9 u J43
2013-07-25 02:04:18 C 21 23 42.82 +23 22 53.5 18.7 u J43
2013-07-25 07:37:37 C 21 23 23.17 +23 22 13.5 u H21
2013-07-25 07:42:54 C 21 23 22.86 +23 22 12.8 u H21
2013-07-25 07:47:40 C 21 23 22.56 +23 22 12.2 u H21
2013-07-25 07:51:23 C 21 23 22.33 +23 22 11.7 u H21
2013-08-03 23:35:05 C 21 06 59.46 +22 10 44.5 q 160
2013-08-03 23:38:58 C 21 06 59.15 +22 10 42.7 q 160
2013-08-03 23:43:01 C 21 06 58.81 +22 10 40.4 q 160
2013-08-09 23:23:34 C 20 54 30.60 +20 35 10.9 q 203
2013-08-09 23:42:56 C 20 54 28.76 +20 34 55.2 q 203
2013-08-10 23:23:56 C 20 52 17.66 +20 14 53.1 q Z81
2013-08-10 23:55:47 C 20 52 14.58 +20 14 25.3 q Z81
2013-08-11 00:27:37 C 20 52 11.49 +20 13 57.2 q Z81
2013-08-16 03:36:19 C 20 40 22.51 +18 08 42.2 r Y00
2013-08-16 03:39:46 C 20 40 22.07 +18 08 37.5 r Y00
2013-08-16 03:43:13 C 20 40 21.63 +18 08 33.3 r Y00
2013-08-16 21:53:20 C 20 38 35.05 +17 46 44.7 q 160
2013-08-16 21:57:12 C 20 38 34.63 +17 46 39.8 q 160
2013-08-16 22:01:05 C 20 38 34.25 +17 46 35.3 q 160
2013-08-17 21:39:52 C 20 36 14.19 +17 17 23.4 q 160
2013-08-17 21:42:02 C 20 36 13.97 +17 17 20.7 q 160
2013-08-17 21:44:27 C 20 36 13.73 +17 17 17.8 q 160
2013-08-18 02:40:22 C 20 35 44.57 +17 11 02.8 t W71
2013-08-18 02:56:16 C 20 35 42.92 +17 10 42.5 t W71
2013-08-18 03:06:25 C 20 35 41.94 +17 10 28.3 t W71
2013-08-19 02:56:29 C 20 33 20.34 +16 39 26.2 u H21
2013-08-19 03:01:29 C 20 33 19.65 +16 39 18.1 t W71
2013-08-19 03:03:41 C 20 33 19.62 +16 39 16.7 u H21
2013-08-19 03:06:21 C 20 33 19.09 +16 39 12.4 t W71
2013-08-19 03:09:23 C 20 33 19.01 +16 39 09.2 u H21
2013-08-19 03:10:42 C 20 33 18.58 +16 39 06.0 t W71
2013-08-19 03:15:18 C 20 33 18.39 +16 39 01.4 u H21
2013-08-22 03:34:19 C 20 26 07.29 +14 56 41.1 u H21
2013-08-22 03:39:51 C 20 26 06.73 +14 56 32.8 u H21
2013-08-22 03:45:01 C 20 26 06.20 +14 56 25.5 u H21
2013-08-22 03:50:34 C 20 26 05.63 +14 56 17.1 u H21
2013-08-29 03:48:19 C 20 09 47.91 +10 14 59.2 r Y00
2013-08-29 03:52:07 C 20 09 47.46 +10 14 51.7 r Y00
2013-08-29 03:57:31 C 20 09 46.88 +10 14 40.8 r Y00
2013-08-30 03:05:32 C 20 07 38.18 +09 31 37.2 r Y00
2013-08-30 03:09:09 C 20 07 37.85 +09 31 29.9 r Y00
2013-08-30 03:13:12 C 20 07 37.53 +09 31 22.4 r Y00
2013-08-31 03:48:16 C 20 05 22.55 +08 44 36.0 r Y00
2013-08-31 03:51:00 C 20 05 22.43 +08 44 29.8 r Y00
2013-08-31 03:53:43 C 20 05 22.19 +08 44 25.1 r Y00
2013-09-02 03:12:32 C 20 01 10.04 +07 11 43.4 r Y00
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)