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
2013-09-02 03:15:10 C 20 01 09.65 +07 11 37.0 r Y00
2013-09-02 03:17:49 C 20 01 09.43 +07 11 30.6 r Y00
2013-09-03 20:57:16 C 19 57 36.74 +05 47 00.4 a 233
2013-09-03 21:00:35 C 19 57 36.44 +05 46 53.7 a 233
2013-09-03 21:05:00 C 19 57 36.07 +05 46 45.0 a 233
2013-09-03 21:08:55 C 19 57 35.71 +05 46 36.7 a 233
2013-09-03 21:25:11 C 19 57 34.27 +05 46 02.6 q 160
2013-09-03 21:27:59 C 19 57 34.03 +05 45 57.0 q 160
2013-09-03 21:31:15 C 19 57 33.74 +05 45 50.5 q 160
2013-09-10 02:17:24 C 19 46 09.66 +00 31 02.4 r Y00
2013-09-10 02:20:00 C 19 46 09.48 +00 30 56.9 r Y00
2013-09-10 02:22:37 C 19 46 09.28 +00 30 50.4 r Y00
2013-09-20 19:17:30 C 19 32 09.44 -08 50 57.6 q 160
2013-09-20 19:21:26 C 19 32 09.26 -08 51 06.5 q 160
2013-09-20 19:25:10 C 19 32 09.14 -08 51 14.2 q 160
2013-09-21 19:56:15 C 19 31 12.46 -09 44 05.0 q 160
2013-09-21 19:58:54 C 19 31 12.27 -09 44 11.0 q 160
2013-09-21 20:02:34 C 19 31 12.19 -09 44 19.1 q 160
2013-09-24 19:40:33 C 19 28 50.55 -12 16 57.4 q 160
2013-09-24 19:44:24 C 19 28 50.44 -12 17 05.3 q 160
2013-09-24 19:48:17 C 19 28 50.29 -12 17 13.4 q 160
2013-09-30 02:07:10 C 19 26 03.92 -16 38 15.6 q 448
2013-09-30 02:12:46 C 19 26 03.93 -16 38 27.1 q 448
2013-09-30 02:16:16 C 19 26 03.85 -16 38 34.1 q 448
2013-09-30 02:28:37 C 19 26 03.57 -16 38 59.3 q 448
2014-03-13 03:21:34 C 17 26 40.17 +03 44 34.3 q 160
2014-03-13 03:25:09 C 17 26 40.31 +03 44 40.4 q 160
2014-03-13 03:28:42 C 17 26 40.42 +03 44 47.2 q 160
2014-03-13 04:20:03 S 17 26 41.606 +03 46 25.64 L C51
2014-03-13 04:20:14 S 17 26 41.580 +03 46 26.36 L C51
2014-03-13 12:14:14 S 17 26 56.12 +04 00 00.0 L C51
2014-03-13 13:49:02 S 17 26 59.04 +04 02 43.0 L C51
2014-03-13 15:23:50 S 17 27 01.79 +04 05 26.7 L C51
2014-03-13 20:08:14 S 17 27 10.35 +04 13 34.0 L C51
2014-03-13 21:43:02 S 17 27 13.19 +04 16 17.2 L C51
2014-03-14 02:52:28 C 17 27 22.72 +04 24 59.1 q 160
2014-03-14 02:56:28 C 17 27 22.82 +04 25 06.0 q 160
2014-03-14 03:00:28 C 17 27 22.92 +04 25 12.8 q 160
2014-03-14 04:02:25 S 17 27 24.25 +04 27 09.3 L C51
2014-03-14 07:12:01 S 17 27 29.75 +04 32 33.8 L C51
2014-03-18 09:52:08 C 17 29 56.67 +07 20 46.8 u H21
2014-03-18 10:03:28 C 17 29 56.85 +07 21 05.3 u H21
2014-03-31 01:33:12 C 17 31 52.03 +15 43 18.0 q 160
2014-03-31 01:37:09 C 17 31 51.97 +15 43 24.3 q 160
2014-03-31 01:41:09 C 17 31 51.99 +15 43 31.3 q 160
2014-04-07 11:00:58 C 17 28 34.45 +20 18 39.5 q 703
2014-04-07 11:09:57 C 17 28 34.18 +20 18 52.3 q 703
2014-04-07 11:18:57 C 17 28 33.93 +20 19 06.1 q 703
2014-04-07 11:28:01 C 17 28 33.63 +20 19 19.8 q 703
2014-04-07 11:37:04 C 17 28 33.33 +20 19 33.6 q 703
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)