238456 (2004 RK)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3003400724 ± 1.57e-08
Semi-major axis (a)1.3887970186 AU ± 6.37e-10
Inclination (i)18.14852500° ± 4.67e-06
Long. of Asc. Node (Ω)178.75061064° ± 4.99e-06
Arg. of Perihelion (ω)264.46589181° ± 7.85e-06
Mean Anomaly (M)277.71808476° ± 5.44e-06
Mean Motion (n)0.6022185279°/day ± 4.14e-10
Perihelion dist (q)0.97168562 AU ± 2.18e-08
Aphelion dist (Q)1.80590842 AU ± 2.18e-08
Orbital Period1.63665885 yr ± 1.13e-09
Physical Parameters
H (abs. magnitude)19.43
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.342″
Uncertainty0
Orbit TypeApollo
MOID0.163581 AU
Observations Used542
Oppositions15
Arc Total1986-2025
First Observation Used1986-10-02
Last Observation Used2025-07-28
Observations (584)
Date Type RA Dec Mag Band Observatory
2009-09-21 10:30:42 C 04 58 28.12 +05 22 12.5 r 703
2009-09-21 10:39:27 C 04 58 30.03 +05 21 49.6 r 703
2009-09-21 10:48:17 C 04 58 32.12 +05 21 33.3 r 703
2010-01-21 20:20:56 S 13 18 56.232 -32 42 19.66 L C51
2010-01-21 23:31:27 S 13 19 13.75 -32 40 28.5 L C51
2010-01-22 02:41:58 S 13 19 31.17 -32 38 39.2 L C51
2010-01-22 04:17:19 S 13 19 39.79 -32 37 44.0 L C51
2010-01-22 10:38:21 S 13 20 14.26 -32 34 02.2 L C51
2010-01-22 12:13:42 S 13 20 22.80 -32 33 06.1 L C51
2010-01-22 16:59:34 S 13 20 48.54 -32 30 17.0 L C51
2010-01-22 20:10:05 S 13 21 05.676 -32 28 22.55 L C51
2010-01-22 23:20:36 S 13 21 22.67 -32 26 30.3 L C51
2010-03-05 10:01:03 C 14 02 54.99 -13 13 39.5 o H21
2010-03-05 10:05:21 C 14 02 54.90 -13 13 31.9 o H21
2010-03-05 10:09:40 C 14 02 54.81 -13 13 24.1 o H21
2010-03-05 10:13:59 C 14 02 54.70 -13 13 16.1 o H21
2010-03-11 04:09:15 C 13 59 51.38 -08 54 48.5 r J75
2010-03-11 04:27:52 C 13 59 50.76 -08 54 12.1 r J75
2010-03-11 04:46:26 C 13 59 50.13 -08 53 36.5 r J75
2010-03-12 11:08:12 C 13 58 52.71 -07 54 30.8 r G96
2010-03-12 11:21:00 C 13 58 52.21 -07 54 05.1 r G96
2010-03-12 11:33:54 C 13 58 51.70 -07 53 40.4 r G96
2010-03-12 11:46:45 C 13 58 51.24 -07 53 15.1 r G96
2010-03-14 08:33:03 C 13 57 16.72 -06 25 11.6 o 691
2010-03-14 08:58:25 C 13 57 15.61 -06 24 21.4 o 691
2010-03-14 09:23:49 C 13 57 14.52 -06 23 31.6 o 691
2010-03-15 03:13:27 C 13 56 32.49 -05 48 16.0 v 204
2010-03-15 03:22:58 C 13 56 32.09 -05 47 57.2 v 204
2010-03-15 03:32:31 C 13 56 31.66 -05 47 38.3 v 204
2010-03-17 09:10:31 C 13 54 16.58 -04 00 55.7 19.2 c 704
2010-03-17 09:27:32 C 13 54 15.76 -04 00 20.7 19.7 c 704
2010-03-17 09:43:43 C 13 54 14.94 -03 59 49.8 19.7 c 704
2010-03-17 09:59:54 C 13 54 14.13 -03 59 16.5 19.2 c 704
2010-03-17 10:16:02 C 13 54 13.39 -03 58 44.3 19.7 c 704
2010-03-19 09:47:31 C 13 52 00.66 -02 24 11.4 r G96
2010-03-19 09:55:16 C 13 52 00.26 -02 23 56.1 r G96
2010-03-19 10:02:59 C 13 51 59.83 -02 23 40.6 r G96
2010-03-19 10:10:50 C 13 51 59.47 -02 23 27.1 r G96
2010-03-24 01:48:59 C 13 46 08.67 +01 15 14.5 19.3 u C20
2010-03-24 01:51:06 C 13 46 08.57 +01 15 18.6 19.4 u C20
2010-03-24 01:53:14 C 13 46 08.43 +01 15 22.8 19.4 u C20
2010-03-24 23:19:51 C 13 44 56.81 +01 56 23.0 18.7 u C20
2010-03-24 23:24:04 C 13 44 56.53 +01 56 31.4 18.7 u C20
2010-04-04 09:39:10 C 13 29 56.18 +09 10 03.3 r 703
2010-04-04 09:50:47 C 13 29 55.32 +09 10 20.2 r 703
2010-04-04 10:02:28 C 13 29 54.52 +09 10 40.8 r 703
2010-04-04 10:14:14 C 13 29 53.88 +09 10 56.9 r 703
2010-04-11 07:08:58 C 13 20 10.80 +12 54 33.9 19.1 c 704
2010-04-11 07:25:32 C 13 20 09.81 +12 54 53.7 19.1 c 704
2010-04-11 07:42:21 C 13 20 08.73 +12 55 12.6 19.1 c 704