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
2022-09-16 10:00:25 C 21 44 33.914 +01 59 57.37 V T08
2022-09-16 10:23:36 C 21 44 32.563 +01 59 04.88 V T08
2022-09-16 10:37:15 C 21 44 31.742 +01 58 33.56 V T08
2022-09-16 10:52:17 C 21 44 30.912 +01 57 59.29 V T08
2022-09-16 10:56:58 C 21 44 30.634 +01 57 48.46 V T08
2022-09-16 11:20:42 C 21 44 29.290 +01 56 54.49 V T08
2022-09-16 15:53:54 C 21 44 15.71 +01 46 25.6 V D29
2022-09-16 16:14:16 C 21 44 14.54 +01 45 39.0 V D29
2022-09-16 16:34:38 C 21 44 13.39 +01 44 52.5 V D29
2022-09-18 08:30:16 C 21 42 14.383 +00 12 24.99 U F51
2022-09-18 08:48:42 C 21 42 13.349 +00 11 41.77 U F51
2022-09-18 09:07:03 C 21 42 12.325 +00 10 58.71 U F51
2022-09-20 07:05:42 C 21 40 03.470 -01 38 16.56 U F51
2022-09-20 07:25:47 C 21 40 02.415 -01 39 04.88 U F51
2022-09-20 07:46:08 C 21 40 01.345 -01 39 53.80 U F51
2022-09-20 08:06:28 C 21 40 00.273 -01 40 42.73 U F51
2022-09-20 08:15:38 C 21 39 59.801 -01 41 04.27 V T08
2022-09-20 08:29:47 C 21 39 59.006 -01 41 37.54 V T08
2022-09-20 08:35:45 C 21 39 58.685 -01 41 52.40 V T08
2022-09-20 08:46:24 C 21 39 58.150 -01 42 17.82 V T08
2022-09-21 02:46:15 C 21 39 10.334 -02 25 21.32 V W68
2022-09-21 02:53:05 C 21 39 09.996 -02 25 38.28 V W68
2022-09-21 03:01:31 C 21 39 09.557 -02 25 58.66 V W68
2022-09-21 03:23:36 C 21 39 08.453 -02 26 52.26 V W68
2022-09-22 08:16:42 C 21 37 55.279 -03 37 36.34 V T05
2022-09-22 08:22:34 C 21 37 55.018 -03 37 50.34 V T05
2022-09-22 08:31:42 C 21 37 54.545 -03 38 13.06 V T05
2022-09-22 08:46:14 C 21 37 53.854 -03 38 48.98 V T05
2022-09-24 08:07:57 C 21 36 03.559 -05 35 22.99 V T08
2022-09-24 08:12:36 C 21 36 03.343 -05 35 34.12 V T08
2022-09-24 08:21:56 C 21 36 02.986 -05 35 57.91 V T08
2022-09-24 08:43:57 C 21 36 01.994 -05 36 51.44 V T08
2022-09-25 04:13:00 C 21 35 21.102 -06 25 12.90 V 703
2022-09-25 04:21:44 C 21 35 20.713 -06 25 34.57 V 703
2022-09-25 04:30:27 C 21 35 20.353 -06 25 56.14 V 703
2022-09-25 04:39:11 C 21 35 19.982 -06 26 18.02 V 703
2022-09-25 11:44:20 C 21 35 06.254 -06 43 27.41 V P07
2022-09-25 12:50:09 C 21 35 03.595 -06 46 11.24 V P07
2022-09-25 14:03:30 C 21 35 00.571 -06 49 13.33 V P07
2022-09-25 15:13:58 C 21 34 57.667 -06 52 07.68 V P07
2022-09-26 07:49:52 C 21 34 25.862 -07 33 41.26 U F52
2022-09-26 08:06:34 C 21 34 25.178 -07 34 22.87 V T05
2022-09-26 08:07:28 C 21 34 25.172 -07 34 25.18 U F52
2022-09-26 08:11:08 C 21 34 24.991 -07 34 34.46 V T05
2022-09-26 08:18:58 C 21 34 24.706 -07 34 53.94 V T05
2022-09-26 08:25:01 C 21 34 24.481 -07 35 08.67 U F52
2022-09-26 08:45:15 C 21 34 23.702 -07 35 58.70 V T05
2022-09-26 20:11:01 C 21 34 02.820 -08 03 58.25 V M22
2022-09-26 20:15:34 C 21 34 02.662 -08 04 09.66 V M22
2022-09-26 20:24:02 C 21 34 02.306 -08 04 30.58 V M22