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
2004-05-08 21:41:11 C 13 23 19.21 +45 03 19.6 o 084
2004-05-08 23:16:53 C 13 23 19.23 +45 01 48.5 r 941
2004-05-08 23:18:32 C 13 23 19.22 +45 01 46.8 r 941
2004-05-08 23:20:11 C 13 23 19.21 +45 01 45.1 r 941
2004-05-08 23:21:52 C 13 23 19.20 +45 01 43.5 r 941
2004-05-08 23:26:50 C 13 23 19.16 +45 01 38.6 r 941
2004-05-09 05:46:08 C 13 23 19.25 +44 55 20.1 18.7 c 704
2004-05-09 05:58:55 C 13 23 19.24 +44 55 06.7 18.5 c 704
2004-05-09 06:11:37 C 13 23 19.18 +44 54 54.4 19.2 c 704
2004-05-09 06:24:33 C 13 23 19.05 +44 54 40.9 19.2 c 704
2004-05-09 06:37:33 C 13 23 19.24 +44 54 29.5 19.1 c 704
2004-05-09 21:54:29 C 13 23 20.29 +44 38 56.7 o 084
2004-05-12 21:34:49 C 13 23 36.35 +43 27 05.7 o 084
2004-05-12 22:28:00 C 13 23 36.50 +43 26 11.4 o 084
2004-05-13 22:04:08 C 13 23 45.93 +43 02 38.4 o 084
2004-05-16 21:11:13 C 13 24 26.15 +41 51 59.5 d 560
2004-05-16 21:16:14 C 13 24 26.15 +41 51 54.5 d 560
2004-05-16 21:21:17 C 13 24 26.13 +41 51 49.2 d 560
2004-05-17 00:05:51 C 13 24 27.54 +41 49 03.3 r 240
2004-05-17 00:07:24 C 13 24 27.55 +41 49 01.8 r 240
2004-05-17 00:15:08 C 13 24 27.64 +41 48 54.0 r 240
2004-05-17 00:29:12 C 13 24 27.77 +41 48 40.1 r 240
2004-05-17 00:33:55 C 13 24 27.82 +41 48 35.3 r 240
2004-05-17 00:37:05 C 13 24 27.84 +41 48 32.3 r 240
2004-05-17 22:13:15 C 13 24 43.81 +41 27 06.1 o 084
2004-05-18 21:42:07 C 13 25 02.76 +41 03 55.4 r 240
2004-05-18 21:46:46 C 13 25 02.80 +41 03 50.7 r 240
2004-05-18 21:51:24 C 13 25 02.83 +41 03 46.2 r 240
2004-05-18 22:00:41 C 13 25 02.89 +41 03 37.1 r 240
2004-05-18 22:06:47 C 13 25 02.92 +41 03 32.1 o 198
2004-05-18 22:08:26 C 13 25 02.98 +41 03 29.6 r 240
2004-05-19 21:07:17 C 13 25 22.98 +40 40 49.1 i 071
2004-05-19 21:16:57 C 13 25 23.10 +40 40 40.3 i 071
2004-05-19 21:26:07 C 13 25 23.21 +40 40 30.3 i 071
2004-05-20 05:39:16 C 13 25 30.54 +40 32 23.8 c H41
2004-05-20 05:43:47 C 13 25 30.58 +40 32 20.8 c H41
2004-05-20 05:46:15 C 13 25 30.67 +40 32 16.6 c H41
2004-05-20 22:06:55 C 13 25 46.34 +40 16 04.6 o 084
2004-05-29 05:05:17 C 13 29 55.54 +37 01 40.1 19.0 c 704
2004-05-29 05:17:54 C 13 29 55.76 +37 01 26.7 19.0 c 704
2004-05-29 05:30:42 C 13 29 56.07 +37 01 13.9 19.7 c 704
2004-05-29 05:43:21 C 13 29 56.35 +37 01 01.7 19.1 c 704
2004-05-29 05:56:11 C 13 29 56.58 +37 00 49.1 19.5 c 704
2006-06-21 00:20:35 C 22 50 12.69 +17 53 12.0 o 461
2006-06-21 00:27:06 C 22 50 13.05 +17 53 15.1 o 461
2006-06-21 00:33:36 C 22 50 13.40 +17 53 18.5 o 461
2006-07-05 00:51:21 C 23 08 46.20 +20 23 49.8 o 198
2006-07-05 00:54:23 C 23 08 46.35 +20 23 51.1 o 198
2006-07-05 01:00:27 C 23 08 46.67 +20 23 53.6 o 198
2006-07-05 01:03:28 C 23 08 46.83 +20 23 54.9 o 198
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)