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
2010-04-11 07:59:05 C 13 20 07.74 +12 55 31.6 19.7 c 704
2010-04-11 08:15:39 C 13 20 06.74 +12 55 51.7 19.2 c 704
2010-04-13 06:14:36 C 13 17 35.37 +13 47 59.3 r 703
2010-04-13 06:24:35 C 13 17 34.76 +13 48 09.8 r 703
2010-04-13 06:34:37 C 13 17 34.15 +13 48 21.5 r 703
2010-04-13 06:44:41 C 13 17 33.61 +13 48 33.5 r 703
2012-07-12 06:57:03 C 18 32 39.19 +15 13 25.0 t G58
2012-07-12 07:10:30 C 18 32 38.18 +15 13 20.7 t G58
2012-07-12 07:31:11 C 18 32 36.83 +15 13 13.3 t G58
2015-01-25 15:28:50 C 14 45 38.690 -17 53 56.16 L F51
2015-01-25 15:36:45 C 14 45 39.410 -17 53 53.89 L F51
2015-01-25 15:44:40 C 14 45 40.178 -17 53 52.04 L F51
2015-03-28 14:01:46 C 16 04 40.681 -00 47 30.19 L F51
2015-03-28 14:17:45 C 16 04 40.503 -00 47 12.56 L F51
2015-03-28 14:33:41 C 16 04 40.341 -00 46 54.90 L F51
2015-03-28 14:49:31 C 16 04 40.172 -00 46 37.44 L F51
2015-03-29 14:06:25 C 16 04 28.408 -00 20 48.20 L F51
2015-03-29 14:38:07 C 16 04 27.993 -00 20 12.92 L F51
2015-03-29 14:54:01 C 16 04 27.801 -00 19 55.25 L F51
2015-04-04 11:21:33 C 16 02 08.254 +02 18 36.65 L F51
2015-04-04 11:56:05 C 16 02 07.343 +02 19 16.00 L F51
2015-04-04 12:13:24 C 16 02 06.885 +02 19 35.84 L F51
2015-04-12 09:45:45 C 15 55 56.823 +05 54 56.96 L F51
2015-04-12 10:42:30 C 15 55 54.330 +05 56 00.86 L F51
2015-04-12 11:00:01 C 15 55 53.559 +05 56 20.46 L F51
2015-04-12 11:17:36 C 15 55 52.771 +05 56 40.11 L F51
2015-04-13 13:12:53 C 15 54 46.211 +06 25 36.71 L F51
2015-04-13 13:31:29 C 15 54 45.327 +06 25 57.31 L F51
2015-04-13 13:50:03 C 15 54 44.450 +06 26 18.00 L F51
2015-04-13 14:08:40 C 15 54 43.582 +06 26 38.50 L F51
2015-05-13 07:46:02 C 15 10 40.03 +16 06 51.6 q 703
2015-05-13 08:09:55 C 15 10 38.32 +16 07 00.4 q 703
2017-06-20 07:02:47 C 20 43 21.18 +15 19 45.3 u H21
2017-06-20 07:28:22 C 20 43 20.81 +15 19 56.9 u H21
2017-06-20 08:02:53 C 20 43 20.33 +15 20 12.1 u H21
2020-04-22 13:57:23 C 17 19 21.239 +05 59 26.49 U F51
2020-04-22 14:11:36 C 17 19 20.900 +05 59 38.49 U F51
2020-04-22 14:25:18 C 17 19 20.577 +05 59 50.24 U F51
2020-04-22 14:39:01 C 17 19 20.248 +06 00 02.13 U F51
2020-04-29 13:11:28 C 17 14 32.903 +08 20 48.66 U F52
2020-04-29 13:46:05 C 17 14 31.587 +08 21 16.91 U F52
2020-04-29 14:03:22 C 17 14 30.910 +08 21 31.24 U F52
2020-05-19 12:13:06 C 16 49 23.202 +13 50 56.93 U F51
2020-05-19 12:30:07 C 16 49 22.039 +13 51 05.33 U F51
2020-05-19 13:04:03 C 16 49 19.729 +13 51 22.05 U F51
2020-05-20 09:08:25 C 16 48 00.67 +14 01 11.6 V G96
2020-05-20 09:23:50 C 16 47 59.64 +14 01 18.7 V G96
2020-05-20 09:30:39 C 16 47 59.14 +14 01 22.2 V G96
2020-05-20 09:37:28 C 16 47 58.69 +14 01 25.2 V G96
2020-05-23 12:23:01 C 16 42 58.160 +14 34 29.65 U F52