242187 (2003 KR18)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4800853584 ± 2.24e-08
Semi-major axis (a)2.3468066495 AU ± 1.70e-09
Inclination (i)5.58255458° ± 1.85e-06
Long. of Asc. Node (Ω)244.02942004° ± 2.18e-05
Arg. of Perihelion (ω)86.84876555° ± 2.60e-05
Mean Anomaly (M)73.56291240° ± 5.49e-06
Mean Motion (n)0.2741550885°/day ± 2.97e-10
Perihelion dist (q)1.22013914 AU ± 5.26e-08
Aphelion dist (Q)3.47347416 AU ± 5.26e-08
Orbital Period3.59514131 yr ± 3.90e-09
Physical Parameters
H (abs. magnitude)17.99
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.406″
Uncertainty0
Orbit TypeAmor
MOID0.233460 AU
Observations Used907
Oppositions28
Arc Total1985-2024
First Observation Used1985-09-08
Last Observation Used2024-05-08
Observations (1122)
Date Type RA Dec Mag Band Observatory
2021-10-30 14:03:56 S 03 22 17.930 +23 56 34.44 V C57
2021-10-30 14:03:56 s 1 +53605.992 0 +365591.65 1120.0 C57
2021-10-30 14:13:56 S 03 22 17.143 +23 56 30.41 V C57
2021-10-30 14:13:56 s 1 +53250.994 0 +365722.65 4060.0 C57
2021-10-30 17:13:56 S 03 22 07.774 +23 54 43.45 V C57
2021-10-30 17:13:56 s 1 +46837.953 0 +367901.96 1880.0 C57
2021-10-30 19:23:56 S 03 21 59.918 +23 53 34.98 V C57
2021-10-30 19:23:56 s 1 +42181.485 0 +369265.83 4580.0 C57
2021-10-30 22:53:56 S 03 21 48.418 +23 51 31.50 V C57
2021-10-30 22:53:56 s 1 +34622.181 0 +371097.94 1510.0 C57
2021-10-31 02:43:56 S 03 21 35.333 +23 49 14.63 V C57
2021-10-31 02:43:56 s 1 +26300.211 0 +372579.97 3330.0 C57
2021-10-31 02:53:55 S 03 21 34.637 +23 49 09.91 V C57
2021-10-31 02:53:55 s 1 +25937.560 0 +372631.98 6380.0 C57
2021-10-31 03:03:56 S 03 21 34.142 +23 49 06.06 V C57
2021-10-31 03:03:56 s 1 +25574.850 0 +372682.96 9310.0 C57
2021-10-31 06:13:56 S 03 21 23.383 +23 47 13.74 V C57
2021-10-31 06:13:56 s 1 +18673.269 0 +373455.11 6820.0 C57
2021-10-31 06:43:56 S 03 21 22.231 +23 46 59.84 V C57
2021-10-31 06:43:56 s 1 +17582.055 0 +373542.91 500.0 C57
2021-10-31 06:53:56 S 03 21 21.358 +23 46 48.36 V C57
2021-10-31 06:53:56 s 1 +17218.242 0 +373570.11 1640.0 C57
2021-10-31 07:44:44 C 03 21 56.12 +23 41 41.8 V 703
2021-10-31 07:52:17 C 03 21 55.72 +23 41 37.8 V 703
2021-10-31 07:59:51 C 03 21 55.29 +23 41 33.3 V 703
2021-10-31 08:03:56 S 03 21 17.590 +23 46 05.88 V C57
2021-10-31 08:03:56 s 1 +14670.610 0 +373731.58 1150.0 C57
2021-10-31 08:07:24 C 03 21 54.91 +23 41 29.2 V 703
2021-10-31 08:33:55 S 03 21 15.811 +23 45 52.16 V C57
2021-10-31 08:33:55 s 1 +13578.319 0 +373785.28 8280.0 C57
2021-10-31 09:13:56 S 03 21 13.817 +23 45 23.87 V C57
2021-10-31 09:13:56 s 1 +12121.578 0 +373842.40 4430.0 C57
2021-10-31 11:43:56 S 03 21 05.196 +23 44 00.85 V C57
2021-10-31 11:53:55 S 03 21 04.675 +23 43 49.40 V C57
2021-11-01 08:18:30 C 03 20 41.624 +23 28 23.72 U F52
2021-11-01 08:36:46 C 03 20 40.634 +23 28 14.03 U F52
2021-11-01 08:55:00 C 03 20 39.639 +23 28 04.36 U F52
2021-11-01 11:01:39 C 03 20 32.67 +23 26 56.7 V T05
2021-11-01 11:15:50 C 03 20 31.90 +23 26 48.2 V T05
2021-11-01 11:20:28 C 03 20 31.65 +23 26 45.9 V T05
2021-11-01 11:21:17 C 03 20 31.60 +23 26 45.5 V T05
2021-11-01 11:27:54 C 03 20 31.26 +23 26 42.3 V T05
2021-11-01 11:36:13 C 03 20 30.75 +23 26 37.7 V T05
2021-11-01 15:35:59 C 03 20 18.979 +23 24 35.75 V P07
2021-11-01 16:40:49 C 03 20 15.427 +23 24 01.08 V P07
2021-11-01 17:49:13 C 03 20 11.674 +23 23 23.82 V P07
2021-11-01 18:45:31 C 03 20 08.546 +23 22 52.93 V P07
2021-11-01 19:48:02 C 03 20 05.165 +23 22 17.51 V P07
2021-11-02 15:58:32 C 03 19 04.219 +23 11 17.63 V P07
2021-11-02 17:01:05 C 03 19 00.780 +23 10 43.64 V P07