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
2020-05-23 12:40:07 C 16 42 56.968 +14 34 36.30 U F52
2020-05-23 12:57:12 C 16 42 55.760 +14 34 43.05 U F52
2020-05-28 12:15:21 C 16 34 47.001 +15 14 57.87 U F51
2020-05-28 12:32:21 C 16 34 45.788 +15 15 02.52 U F51
2020-05-28 12:49:17 C 16 34 44.592 +15 15 06.99 U F51
2020-05-28 13:06:16 C 16 34 43.395 +15 15 11.66 U F51
2022-07-10 10:14:26 C 22 29 02.670 +18 47 35.92 V G96
2022-07-10 10:22:33 C 22 29 02.800 +18 47 38.58 V G96
2022-07-10 10:30:39 C 22 29 02.965 +18 47 41.89 V G96
2022-07-10 10:38:46 C 22 29 03.131 +18 47 45.17 V G96
2022-08-10 19:40:54 C 22 28 16.43 +20 24 42.4 V D29
2022-08-10 19:55:56 C 22 28 16.03 +20 24 38.8 V D29
2022-08-10 20:10:58 C 22 28 15.55 +20 24 34.5 V D29
2022-08-16 14:17:13 C 22 23 47.351 +19 27 52.39 U F51
2022-08-16 14:35:53 C 22 23 46.563 +19 27 42.47 U F51
2022-08-16 14:54:32 C 22 23 45.802 +19 27 32.02 U F51
2022-08-17 18:56:16 C 22 22 41.46 +19 11 37.0 V D29
2022-08-17 19:16:37 C 22 22 40.54 +19 11 24.7 V D29
2022-08-17 19:36:59 C 22 22 39.68 +19 11 11.9 V D29
2022-08-21 10:37:02 C 22 18 58.128 +18 11 24.72 V T08
2022-08-21 10:38:20 C 22 18 58.188 +18 11 22.49 V T08
2022-08-21 11:01:57 C 22 18 56.846 +18 11 05.39 V T08
2022-08-21 11:06:05 C 22 18 56.662 +18 11 01.28 V T08
2022-08-21 18:49:05 C 22 18 34.93 +18 04 48.2 V D29
2022-08-21 19:12:35 C 22 18 33.76 +18 04 29.0 V D29
2022-08-21 19:32:57 C 22 18 32.78 +18 04 12.7 V D29
2022-08-22 08:42:12 C 22 17 57.529 +17 53 31.11 U F52
2022-08-22 08:59:37 C 22 17 56.630 +17 53 16.83 U F52
2022-08-22 09:17:02 C 22 17 55.715 +17 53 02.39 U F52
2022-08-22 09:34:26 C 22 17 54.804 +17 52 48.01 U F52
2022-08-22 10:57:34 C 22 17 50.398 +17 51 38.41 V T05
2022-08-22 11:09:36 C 22 17 49.721 +17 51 28.66 V T05
2022-08-22 11:24:29 C 22 17 48.960 +17 51 17.03 V T05
2022-08-22 12:13:30 C 22 17 46.471 +17 50 33.79 V T05
2022-08-22 17:35:14 C 22 17 31.31 +17 45 57.8 V D29
2022-08-22 17:36:30 C 22 17 31.25 +17 45 56.2 V D29
2022-08-22 18:15:58 C 22 17 29.24 +17 45 22.4 V D29
2022-08-22 18:17:14 C 22 17 29.19 +17 45 20.9 V D29
2022-08-29 10:27:48 C 22 09 11.167 +14 56 53.48 V T08
2022-08-29 11:08:02 C 22 09 08.618 +14 56 02.72 V T08
2022-08-29 11:24:30 C 22 09 07.610 +14 55 43.25 V T08
2022-08-29 11:32:45 C 22 09 07.099 +14 55 31.40 V T08
2022-08-31 10:36:04 C 22 06 28.087 +13 53 25.01 V T08
2022-08-31 11:16:52 C 22 06 25.541 +13 52 28.24 V T08
2022-08-31 11:23:43 C 22 06 25.147 +13 52 19.63 V T08
2022-08-31 11:54:16 C 22 06 23.150 +13 51 36.43 V T08
2022-09-01 03:29:12 C 22 05 30.521 +13 30 00.54 V W68
2022-09-01 03:33:45 C 22 05 30.192 +13 29 53.88 V W68
2022-09-01 03:41:06 C 22 05 29.748 +13 29 43.51 V W68
2022-09-01 06:31:00 C 22 05 18.984 +13 25 39.76 V W68