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
2018-06-08 04:11:24 C 09 56 39.76 +26 19 43.2 U G96
2020-07-19 01:13:48 C 19 54 12.83 +22 49 48.7 V C95
2020-07-19 01:23:07 C 19 54 12.11 +22 49 45.0 V C95
2020-07-26 23:31:42 C 19 38 12.57 +21 20 26.3 V 130
2020-07-26 23:37:25 C 19 38 12.19 +21 20 23.8 V 130
2020-07-29 09:51:14 C 19 33 15.69 +20 42 19.8 V T05
2020-07-29 10:14:01 C 19 33 13.65 +20 42 04.2 V T05
2020-07-29 10:18:04 C 19 33 13.30 +20 42 01.1 V T05
2020-07-29 10:29:55 C 19 33 12.22 +20 41 52.3 V T05
2020-09-08 07:00:04 C 18 41 29.97 +01 51 59.9 V T08
2020-09-08 07:04:44 C 18 41 29.99 +01 51 53.0 V T08
2020-09-08 07:14:48 C 18 41 29.82 +01 51 40.0 V T08
2020-09-08 07:40:02 C 18 41 29.54 +01 51 07.3 V T08
2020-09-10 07:04:47 C 18 41 13.77 +00 49 49.7 V T05
2020-09-10 07:09:25 C 18 41 13.66 +00 49 44.5 V T05
2020-09-10 07:18:09 C 18 41 13.67 +00 49 32.9 V T05
2020-09-10 07:37:32 C 18 41 13.51 +00 49 07.9 V T05
2021-03-18 11:44:57 C 18 06 59.82 +33 37 22.5 V 703
2021-03-18 11:50:46 C 18 06 56.51 +33 38 01.6 V 703
2021-03-18 11:56:36 C 18 06 53.20 +33 38 40.6 V 703
2021-03-18 12:02:25 C 18 06 50.01 +33 39 19.5 V 703
2021-03-19 00:35:39 C 18 00 04.29 +34 59 01.8 q 056
2021-03-19 00:38:19 C 18 00 02.82 +34 59 19.2 q 056
2021-03-19 00:41:00 C 18 00 01.33 +34 59 35.4 q 056
2021-03-19 00:49:03 C 17 59 57.00 +35 00 25.9 q 056
2021-03-19 00:54:25 C 17 59 54.06 +35 00 59.5 q 056
2021-03-19 04:28:11 S 17 57 53.998 +35 23 10.25 L C51
2021-03-19 06:02:15 S 17 57 04.058 +35 32 35.38 L C51
2021-03-19 06:02:26 S 17 57 03.936 +35 32 37.61 L C51
2021-03-19 07:36:30 S 17 56 14.124 +35 41 57.59 L C51
2021-03-19 09:10:34 S 17 55 24.458 +35 51 12.71 L C51
2021-03-20 11:30:00 C 17 41 55.27 +38 14 54.7 V 703
2021-03-20 11:37:13 C 17 41 51.50 +38 15 31.6 V 703
2021-03-20 11:44:26 C 17 41 47.72 +38 16 08.5 V 703
2021-03-20 11:51:39 C 17 41 43.95 +38 16 45.2 V 703
2021-03-21 01:09:48 C 17 35 08.32 +39 20 46.5 q 056
2021-03-21 01:13:16 C 17 35 06.61 +39 21 03.6 q 056
2021-03-21 01:20:09 C 17 35 03.13 +39 21 36.0 q 056
2021-03-21 01:23:36 C 17 35 01.39 +39 21 52.5 q 056
2021-03-21 01:27:02 C 17 34 59.68 +39 22 08.8 q 056
2021-03-21 01:30:30 C 17 34 57.94 +39 22 24.9 q 056
2021-03-21 01:33:56 C 17 34 56.21 +39 22 41.2 q 056
2021-03-22 21:00:14 C 17 14 29.67 +42 20 26.6 o C94
2021-03-22 21:01:39 C 17 14 28.94 +42 20 29.7 o C94
2021-03-22 21:03:46 C 17 14 27.71 +42 20 52.3 o C94
2021-03-22 21:05:05 C 17 14 27.03 +42 20 43.7 o C94
2021-03-23 23:41:14 C 17 02 50.18 +43 48 17.0 V Z80
2021-03-23 23:44:36 C 17 02 48.78 +43 48 27.6 V Z80
2021-03-23 23:48:06 C 17 02 47.28 +43 48 38.2 V Z80
2021-03-24 01:34:31 C 17 01 59.84 +43 54 26.3 V 094
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)