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
2022-10-19 19:25:46 C 21 36 12.948 -28 42 37.04 V M22
2022-10-19 19:39:37 C 21 36 13.392 -28 43 01.60 V M22
2022-10-27 18:58:10 C 21 46 13.130 -34 12 01.94 V M22
2022-10-27 19:02:09 C 21 46 13.330 -34 12 08.82 V M22
2022-10-27 19:10:02 C 21 46 13.903 -34 12 21.28 V M22
2022-10-27 19:24:20 C 21 46 14.714 -34 12 42.91 V M22
2023-02-08 19:02:47 C 04 51 57.418 -39 56 48.91 V M22
2023-02-08 19:07:25 C 04 51 58.464 -39 56 38.62 V M22
2023-02-08 19:16:00 C 04 52 00.343 -39 56 21.34 V M22
2023-02-08 19:34:27 C 04 52 04.586 -39 55 40.26 V M22
2023-02-10 19:25:32 C 05 03 20.335 -38 08 45.06 V M22
2023-02-10 19:31:01 C 05 03 21.564 -38 08 32.75 V M22
2023-02-10 19:39:09 C 05 03 23.400 -38 08 12.77 V M22
2023-02-10 19:58:02 C 05 03 27.686 -38 07 28.63 V M22
2023-02-13 01:14:04 C 05 15 55.750 -35 58 50.30 V W68
2023-02-13 01:18:15 C 05 15 56.686 -35 58 39.47 V W68
2023-02-13 01:26:43 C 05 15 58.560 -35 58 18.26 V W68
2023-02-13 01:41:01 C 05 16 01.726 -35 57 41.83 V W68
2023-02-15 04:07:51 S 05 27 44.50 -33 46 42.9 L C51
2023-02-15 07:15:15 S 05 28 27.74 -33 38 19.6 L C51
2023-02-15 10:22:49 S 05 29 11.00 -33 29 53.3 L C51
2023-02-15 13:30:13 S 05 29 54.22 -33 21 26.0 L C51
2023-02-15 15:03:55 S 05 30 15.78 -33 17 12.5 L C51
2023-02-15 16:37:37 S 05 30 37.35 -33 12 57.4 L C51
2023-02-16 01:40:05 C 05 32 41.671 -32 48 12.74 V W68
2023-02-16 01:45:21 C 05 32 42.854 -32 47 57.59 V W68
2023-02-16 01:55:48 C 05 32 45.101 -32 47 28.82 V W68
2023-02-16 02:12:14 C 05 32 48.778 -32 46 42.92 V W68
2023-02-18 19:33:48 C 05 47 43.711 -29 40 22.84 V M22
2023-02-18 19:38:24 C 05 47 44.712 -29 40 09.30 V M22
2023-02-18 19:46:18 C 05 47 46.447 -29 39 46.22 V M22
2023-02-18 20:04:30 C 05 47 50.398 -29 38 51.83 V M22
2023-02-20 01:31:46 C 05 54 29.006 -28 11 00.10 V W68
2023-02-20 01:36:18 C 05 54 30.041 -28 10 46.67 V W68
2023-02-20 01:45:20 C 05 54 31.990 -28 10 18.66 V W68
2023-02-20 01:59:22 C 05 54 35.069 -28 09 37.19 V W68
2023-02-22 20:47:34 C 06 09 25.380 -24 42 50.44 V M22
2023-02-22 20:52:08 C 06 09 26.362 -24 42 36.54 V M22
2023-02-22 20:59:58 C 06 09 27.998 -24 42 11.23 V M22
2023-02-22 21:16:43 C 06 09 31.567 -24 41 17.63 V M22
2023-03-04 02:25:52 C 06 56 09.595 -12 45 22.72 V W68
2023-03-04 02:31:05 C 06 56 10.606 -12 45 05.62 V W68
2023-03-04 02:40:11 C 06 56 12.358 -12 44 36.64 V W68
2023-03-04 03:00:46 C 06 56 16.315 -12 43 31.15 V W68
2023-03-17 19:29:02 C 07 56 59.122 +02 46 47.46 V M22
2023-03-17 19:34:46 C 07 57 00.034 +02 47 00.42 V M22
2023-03-17 19:42:10 C 07 57 01.157 +02 47 17.88 V M22
2023-03-17 19:56:32 C 07 57 03.557 +02 47 51.29 V M22
2023-03-21 06:45:05 C 08 10 44.521 +05 49 46.93 U F51
2023-03-21 07:04:32 C 08 10 47.526 +05 50 26.98 U F51