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
2023-03-21 07:23:38 C 08 10 50.478 +05 51 06.33 U F51
2023-03-21 07:43:14 C 08 10 53.523 +05 51 46.76 U F51
2023-03-26 03:11:02 C 08 28 58.559 +09 27 28.12 V 703
2023-03-26 03:19:14 C 08 28 59.732 +09 27 41.33 V 703
2023-03-26 03:27:26 C 08 29 00.906 +09 27 54.72 V 703
2023-03-26 03:35:39 C 08 29 02.044 +09 28 07.32 V 703
2023-03-28 03:06:49 C 08 36 09.500 +10 44 34.48 V G96
2023-03-28 03:15:03 C 08 36 10.670 +10 44 47.11 V G96
2023-03-28 03:23:15 C 08 36 11.840 +10 44 59.75 V G96
2023-03-28 03:31:28 C 08 36 13.010 +10 45 12.46 V G96
2023-04-14 04:56:14 C 09 30 55.336 +17 41 45.64 V G96
2023-04-14 05:04:25 C 09 30 56.300 +17 41 50.17 V G96
2023-04-14 05:12:34 C 09 30 57.251 +17 41 55.03 V G96
2023-04-14 05:20:44 C 09 30 58.216 +17 41 59.75 V G96
2023-04-16 12:04:00 C 09 37 31.35 +18 11 42.7 V D29
2023-04-16 12:24:22 C 09 37 33.69 +18 11 52.3 V D29
2023-04-27 03:14:41 C 10 06 14.771 +19 33 59.83 V G96
2023-04-27 03:22:50 C 10 06 15.628 +19 34 00.73 V G96
2023-04-27 03:31:00 C 10 06 16.477 +19 34 02.21 V G96
2023-04-27 03:39:10 C 10 06 17.298 +19 34 03.97 V G96
2023-05-14 04:11:36 C 10 47 28.054 +19 29 54.85 V G96
2023-05-14 04:19:44 C 10 47 28.802 +19 29 53.30 V G96
2023-05-14 04:27:51 C 10 47 29.551 +19 29 52.01 V G96
2023-05-14 04:36:00 C 10 47 30.329 +19 29 49.88 V G96
2025-07-02 07:27:51 C 17 15 08.174 +14 33 20.39 X F51
2025-07-02 07:43:50 C 17 15 07.231 +14 33 15.54 X F51
2025-07-02 08:16:06 C 17 15 05.292 +14 33 05.60 X F51
2025-07-20 08:31:02 C 16 56 22.709 +11 11 07.27 X F52
2025-07-20 09:04:24 C 16 56 21.741 +11 10 47.87 X F52
2025-07-20 09:21:06 C 16 56 21.242 +11 10 38.01 X F52
2025-07-28 07:47:39 C 16 52 32.479 +09 11 51.49 X F51
2025-07-28 08:05:13 C 16 52 32.222 +09 11 40.14 X F51
2025-07-28 08:22:47 C 16 52 31.949 +09 11 28.79 X F51
2025-07-28 08:40:23 C 16 52 31.704 +09 11 17.10 X F51