455588 (2004 RU331)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2440831192 ± 1.01e-08
Semi-major axis (a)1.2412362926 AU ± 3.29e-10
Inclination (i)17.46169439° ± 4.47e-06
Long. of Asc. Node (Ω)201.55809405° ± 2.53e-06
Arg. of Perihelion (ω)261.85472475° ± 6.55e-06
Mean Anomaly (M)34.42634090° ± 4.72e-06
Mean Motion (n)0.7127390896°/day ± 2.84e-10
Perihelion dist (q)0.93827147 AU ± 1.25e-08
Aphelion dist (Q)1.54420112 AU ± 1.26e-08
Orbital Period1.38287109 yr ± 5.50e-10
Physical Parameters
H (abs. magnitude)20.64
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.330″
Uncertainty0
Orbit TypeApollo
MOID0.103713 AU
Observations Used423
Oppositions5
Arc Total2004-2023
First Observation Used2004-09-15
Last Observation Used2023-06-15
Observations (445)
Date Type RA Dec Mag Band Observatory
2011-09-08 11:04:14 C 04 45 46.57 +27 30 29.6 o 291
2011-09-08 11:17:04 C 04 45 49.09 +27 30 20.1 o 291
2012-05-14 09:07:01 C 17 00 38.44 +11 09 52.5 o 691
2012-05-14 09:32:34 C 17 00 36.36 +11 10 22.0 o 691
2012-05-14 09:58:08 C 17 00 34.29 +11 10 51.1 o 691
2012-05-19 08:58:11 C 16 51 18.14 +13 16 41.8 o 691
2012-05-19 09:23:46 C 16 51 15.94 +13 17 06.3 o 691
2012-05-19 09:49:21 C 16 51 13.78 +13 17 30.3 o 691
2012-05-23 08:47:49 C 16 43 34.21 +14 40 55.7 o 691
2012-05-23 09:13:24 C 16 43 31.99 +14 41 15.4 o 691
2012-05-23 09:38:58 C 16 43 29.76 +14 41 35.7 o 691
2012-06-15 21:18:19 C 16 04 23.48 +17 39 02.5 o 461
2012-06-15 21:36:34 C 16 04 22.49 +17 39 00.1 o 461
2012-06-15 21:54:49 C 16 04 21.54 +17 38 58.2 o 461
2015-07-16 07:06:13 C 21 53 18.79 +28 10 15.6 u H21
2015-07-16 07:17:40 C 21 53 18.53 +28 10 22.2 u H21
2015-07-16 07:51:28 C 21 53 17.68 +28 10 42.8 u H21
2016-02-10 01:00:50 C 02 35 10.34 -25 07 08.4 u 807
2016-02-10 01:08:22 C 02 35 11.58 -25 07 05.6 u 807
2016-02-10 01:16:17 C 02 35 12.91 -25 07 02.2 u 807
2019-07-04 10:41:12 C 18 01 32.159 +20 44 10.13 U F52
2019-07-04 10:58:47 C 18 01 30.831 +20 44 07.72 U F52
2019-07-04 11:16:21 C 18 01 29.442 +20 44 05.28 U F52
2019-07-24 09:06:03 C 17 34 17.945 +17 27 37.58 U F52
2019-07-24 09:21:49 C 17 34 17.328 +17 27 27.70 U F52
2019-07-24 09:53:18 C 17 34 16.070 +17 27 07.46 U F52
2022-08-06 08:24:02 C 00 34 51.90 +33 19 11.3 u H21
2022-08-06 08:30:05 C 00 34 52.32 +33 19 15.0 u H21
2022-08-06 08:41:21 C 00 34 53.06 +33 19 21.5 u H21
2022-09-10 12:56:31 C 01 35 15.051 +37 21 16.60 U F51
2022-09-10 13:16:12 C 01 35 16.373 +37 21 12.81 U F51
2022-09-10 13:35:42 C 01 35 17.663 +37 21 09.14 U F51
2022-09-17 09:36:38 C 01 47 58.502 +36 22 53.83 V 703
2022-09-17 09:45:13 C 01 47 59.024 +36 22 48.32 V 703
2022-09-17 09:53:41 C 01 47 59.543 +36 22 43.43 V 703
2022-09-19 08:25:48 C 01 51 44.078 +35 54 01.58 V G96
2022-09-19 08:33:55 C 01 51 44.665 +35 53 55.86 V G96
2022-09-19 08:42:02 C 01 51 45.241 +35 53 50.60 V G96
2022-09-19 08:50:08 C 01 51 45.839 +35 53 44.84 V G96
2022-09-22 11:15:08 C 01 57 53.182 +34 53 41.57 V T08
2022-09-22 11:51:05 C 01 57 55.781 +34 53 07.62 V T08
2022-09-22 11:55:04 C 01 57 56.033 +34 53 04.74 V T08
2022-09-22 11:55:44 C 01 57 56.100 +34 53 03.34 V T08
2022-09-22 11:57:44 C 01 57 56.340 +34 53 01.64 V T08
2022-09-22 12:14:13 C 01 57 57.458 +34 52 46.67 V T08
2022-09-22 12:33:39 C 01 57 58.894 +34 52 28.74 V T08
2022-09-22 12:44:59 C 01 57 59.683 +34 52 17.44 V T08
2022-09-26 07:12:11 C 02 05 46.201 +33 09 50.94 V 703
2022-09-26 07:19:51 C 02 05 46.770 +33 09 41.51 V 703
2022-09-26 07:27:30 C 02 05 47.368 +33 09 31.36 V 703