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
2004-10-30 20:21:42 C 23 42 18.94 -27 45 46.6 c 952
2004-11-15 11:35:07 C 00 00 26.80 -51 45 39.6 r E12
2004-11-15 11:49:15 C 00 00 27.46 -51 46 18.7 r E12
2004-11-15 12:03:23 C 00 00 28.24 -51 46 57.7 r E12
2004-11-15 12:17:34 C 00 00 29.12 -51 47 37.6 r E12
2005-01-31 15:48:25 C 10 32 16.09 -83 52 22.5 r 413
2005-01-31 16:07:54 C 10 32 25.80 -83 52 09.4 r 413
2005-03-15 15:19:24 C 13 18 49.58 -53 41 00.6 c 474
2005-03-15 15:20:34 C 13 18 49.55 -53 40 56.5 c 474
2005-03-15 15:22:34 C 13 18 49.54 -53 40 49.7 c 474
2005-03-15 15:28:04 C 13 18 49.38 -53 40 30.3 c 474
2005-03-15 15:33:14 C 13 18 49.28 -53 40 12.0 c 474
2005-04-02 15:37:31 C 13 10 52.26 -22 54 37.1 r E12
2005-04-02 15:53:04 C 13 10 51.73 -22 53 26.3 r E12
2005-04-02 16:08:40 C 13 10 51.18 -22 52 15.3 r E12
2005-04-02 16:24:15 C 13 10 50.64 -22 51 04.4 r E12
2005-04-06 06:54:57 C 13 08 58.23 -16 30 23.1 o 699
2005-04-06 07:16:01 C 13 08 57.55 -16 28 53.7 o 699
2005-04-06 07:37:05 C 13 08 56.85 -16 27 24.0 o 699
2005-04-06 07:58:10 C 13 08 56.20 -16 25 54.0 o 699
2005-04-12 06:36:44 C 13 06 18.32 -07 07 27.3 19.0 c 704
2005-04-12 06:52:10 C 13 06 17.92 -07 06 33.3 18.8 c 704
2005-04-12 07:07:42 C 13 06 17.49 -07 05 37.3 18.6 c 704
2005-04-12 07:22:42 C 13 06 17.13 -07 04 45.0 18.4 c 704
2005-04-12 07:39:33 C 13 06 16.67 -07 03 45.7 18.2 c 704
2005-04-13 06:34:34 C 13 05 56.80 -05 44 23.3 18.0 c 704
2005-04-13 06:52:17 C 13 05 56.40 -05 43 22.6 18.8 c 704
2005-04-13 07:07:56 C 13 05 55.99 -05 42 29.1 18.7 c 704
2005-04-13 07:24:04 C 13 05 55.61 -05 41 34.4 18.9 c 704
2005-04-13 07:41:26 C 13 05 55.19 -05 40 35.6 19.2 c 704
2005-04-15 06:57:35 C 13 05 18.63 -03 06 47.2 c 699
2005-04-15 07:32:35 C 13 05 17.93 -03 04 58.3 c 699
2005-04-15 08:07:35 C 13 05 17.18 -03 03 09.4 c 699
2005-04-15 08:42:36 C 13 05 16.66 -03 01 19.8 c 699
2005-04-18 05:10:09 C 13 04 37.65 +00 17 50.0 r 703
2005-04-18 05:18:49 C 13 04 37.55 +00 18 14.3 r 703
2005-04-18 05:27:21 C 13 04 37.35 +00 18 37.8 r 703
2005-04-18 05:29:09 C 13 04 37.21 +00 18 42.2 18.6 c 704
2005-04-18 05:35:51 C 13 04 37.21 +00 19 00.4 r 703
2005-04-18 05:45:48 C 13 04 36.98 +00 19 26.9 19.2 c 704
2005-04-18 06:00:18 C 13 04 36.74 +00 20 06.7 18.7 c 704
2005-04-18 06:15:40 C 13 04 36.46 +00 20 48.3 18.7 c 704
2005-04-18 06:28:42 C 13 04 36.20 +00 21 23.5 18.5 c 704
2005-06-01 06:38:54 C 13 24 53.959 +15 35 39.48 n 645
2005-06-01 06:38:54 C 13 24 53.96 +15 35 39.5 n 645
2005-06-01 06:40:06 C 13 24 54.02 +15 35 39.3 n 645
2005-06-01 06:43:41 C 13 24 54.139 +15 35 38.65 n 645
2005-06-01 06:43:41 C 13 24 54.14 +15 35 38.8 n 645
2011-09-07 11:23:29 C 04 40 59.40 +27 48 26.1 o 291
2011-09-07 11:35:45 C 04 41 01.76 +27 48 18.1 o 291