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
2022-09-26 20:39:45 C 21 34 01.714 -08 05 09.20 V M22
2022-09-27 07:01:08 C 21 33 43.875 -08 31 18.22 U F51
2022-09-27 07:18:08 C 21 33 43.252 -08 32 00.48 U F51
2022-09-27 07:52:15 C 21 33 41.993 -08 33 25.28 U F51
2022-09-27 11:47:03 C 21 33 36.144 -08 42 48.31 V P07
2022-09-27 11:51:17 C 21 33 35.998 -08 42 58.72 V P07
2022-09-27 13:10:50 C 21 33 33.101 -08 46 16.21 V P07
2022-09-27 14:01:09 C 21 33 31.322 -08 48 21.46 V P07
2022-09-28 03:40:27 C 21 33 09.288 -09 22 39.79 V 703
2022-09-28 03:48:08 C 21 33 09.061 -09 22 59.23 V 703
2022-09-28 03:55:48 C 21 33 08.737 -09 23 17.20 V 703
2022-09-28 04:03:28 C 21 33 08.496 -09 23 37.18 V 703
2022-09-29 02:04:14 C 21 32 34.447 -10 17 42.07 V W68
2022-09-29 02:08:08 C 21 32 34.325 -10 17 51.83 V W68
2022-09-29 02:12:06 C 21 32 34.219 -10 18 01.48 V W68
2022-09-29 02:16:45 C 21 32 34.070 -10 18 12.49 V W68
2022-09-29 02:17:24 C 21 32 33.946 -10 18 14.94 V W68
2022-09-29 02:26:31 C 21 32 33.792 -10 18 37.26 V W68
2022-09-29 02:31:04 C 21 32 33.643 -10 18 48.24 V W68
2022-09-29 02:46:45 C 21 32 33.118 -10 19 27.05 V W68
2022-09-30 20:10:59 C 21 31 39.382 -12 01 31.98 V M22
2022-09-30 20:15:32 C 21 31 39.262 -12 01 43.82 V M22
2022-09-30 20:23:20 C 21 31 39.062 -12 02 02.76 V M22
2022-09-30 20:37:45 C 21 31 38.693 -12 02 37.90 V M22
2022-10-01 04:43:35 C 21 31 29.896 -12 22 58.80 V G96
2022-10-01 04:51:04 C 21 31 29.708 -12 23 17.20 V G96
2022-10-01 04:58:33 C 21 31 29.525 -12 23 35.63 V G96
2022-10-01 05:06:02 C 21 31 29.334 -12 23 53.77 V G96
2022-10-02 07:46:22 C 21 31 03.036 -13 28 55.27 V T08
2022-10-02 07:51:02 C 21 31 02.926 -13 29 06.65 V T08
2022-10-02 07:58:34 C 21 31 02.738 -13 29 24.36 V T08
2022-10-02 08:15:11 C 21 31 02.352 -13 30 05.76 V T08
2022-10-02 20:08:57 C 21 30 52.524 -13 58 33.10 V M22
2022-10-02 20:14:09 C 21 30 52.471 -13 58 45.41 V M22
2022-10-02 20:21:58 C 21 30 52.294 -13 59 04.70 V M22
2022-10-02 20:45:10 C 21 30 51.823 -14 00 00.25 V M22
2022-10-16 05:33:24 C 21 33 17.608 -25 56 37.22 U F51
2022-10-16 05:49:29 C 21 33 17.943 -25 57 09.63 U F51
2022-10-16 06:05:35 C 21 33 18.271 -25 57 41.97 U F51
2022-10-16 06:25:42 C 21 33 18.685 -25 58 22.26 U F51
2022-10-18 01:23:01 C 21 34 39.535 -27 22 36.62 V W68
2022-10-18 01:27:36 C 21 34 39.638 -27 22 46.60 V W68
2022-10-18 01:35:33 C 21 34 39.838 -27 23 02.36 V W68
2022-10-18 01:52:05 C 21 34 40.325 -27 23 33.18 V W68
2022-10-18 07:51:13 S 21 34 53.323 -27 35 09.31 L C51
2022-10-18 18:48:02 S 21 35 16.793 -27 56 07.73 L C51
2022-10-18 20:21:56 S 21 35 20.242 -27 59 09.17 L C51
2022-10-19 07:18:56 S 21 35 45.017 -28 19 52.90 L C51
2022-10-19 19:14:37 C 21 36 12.564 -28 42 15.59 V M22
2022-10-19 19:18:31 C 21 36 12.646 -28 42 23.65 V M22