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
2003-09-29 19:47:15 C 01 03 21.61 +26 27 14.9 c 434
2003-09-29 23:13:39 C 01 03 23.00 +26 24 54.9 c 127
2003-09-29 23:22:58 C 01 03 23.06 +26 24 48.6 c 127
2003-09-29 23:30:08 C 01 03 23.12 +26 24 43.7 c 127
2003-09-29 23:38:36 C 01 03 23.16 +26 24 37.8 c 127
2003-09-29 23:48:53 C 01 03 22.82 +26 24 26.6 o 084
2003-09-30 00:36:44 C 01 03 23.38 +26 23 59.4 c A28
2003-09-30 00:39:16 C 01 03 23.40 +26 23 57.5 c A28
2003-09-30 00:41:49 C 01 03 23.42 +26 23 55.8 c A28
2003-09-30 00:46:31 C 01 03 23.44 +26 23 52.7 c A28
2003-09-30 00:48:59 C 01 03 23.46 +26 23 50.9 c A28
2003-09-30 00:51:26 C 01 03 23.47 +26 23 49.1 c A28
2003-09-30 06:02:21 C 01 03 28.03 +26 20 17.8 o 699
2003-09-30 06:26:28 C 01 03 28.19 +26 20 01.7 o 699
2003-09-30 06:50:47 C 01 03 28.25 +26 19 45.0 o 699
2003-09-30 07:14:57 C 01 03 28.31 +26 19 28.8 o 699
2003-09-30 19:31:59 C 01 03 36.94 +26 10 43.7 r 557
2003-09-30 20:00:49 C 01 03 37.15 +26 10 24.3 r 557
2003-09-30 20:26:23 C 01 03 37.32 +26 10 06.9 r 557
2003-09-30 21:04:12 C 01 03 37.55 +26 09 41.1 r 557
2003-09-30 21:44:49 C 01 03 37.77 +26 09 13.2 r 557
2003-09-30 21:51:17 C 01 03 37.92 +26 09 08.0 r A21
2003-09-30 22:36:13 C 01 03 38.02 +26 08 37.6 r 557
2003-09-30 23:02:29 C 01 03 38.14 +26 08 19.2 r 557
2003-09-30 23:31:12 C 01 03 38.28 +26 07 59.0 r 557
2003-10-01 01:02:15 C 01 03 38.70 +26 06 54.1 r 557
2003-10-01 01:30:57 C 01 03 38.85 +26 06 33.4 r 557
2003-10-01 02:02:51 C 01 03 39.04 +26 06 10.1 r 557
2003-10-01 05:06:51 C 01 03 42.26 +26 04 01.3 c 730
2003-10-01 05:30:52 C 01 03 42.39 +26 03 44.4 c 730
2003-10-01 05:35:45 C 01 03 42.40 +26 03 41.0 c 730
2003-10-01 05:45:17 C 01 03 42.48 +26 03 34.2 c 730
2003-10-01 05:55:57 C 01 03 42.49 +26 03 27.5 c 730
2003-10-02 04:34:37 C 01 03 56.23 +25 47 18.7 c 691
2003-10-02 05:12:08 C 01 03 56.38 +25 46 52.6 c 691
2003-10-02 05:49:47 C 01 03 56.49 +25 46 26.3 c 691
2003-10-02 19:09:06 C 01 04 03.85 +25 36 34.3 m 185
2003-10-02 19:18:10 C 01 04 03.93 +25 36 27.7 m 185
2003-10-02 19:23:17 C 01 04 03.95 +25 36 24.3 m 185
2003-10-02 19:28:32 C 01 04 03.98 +25 36 20.4 m 185
2003-10-02 21:50:24 C 01 04 04.59 +25 34 38.9 r A21
2003-10-02 22:13:35 C 01 04 04.68 +25 34 22.3 r A21
2003-10-03 14:55:07 C 01 04 12.31 +25 22 11.3 355
2003-10-03 15:04:08 C 01 04 12.34 +25 22 04.3 355
2003-10-03 15:13:25 C 01 04 12.36 +25 21 58.2 355
2003-10-05 07:17:55 C 01 04 29.91 +24 51 54.1 16.8 c 704
2003-10-05 07:37:31 C 01 04 29.87 +24 51 39.4 17.2 c 704
2003-10-05 07:57:38 C 01 04 29.88 +24 51 24.2 17.2 c 704
2003-10-05 08:17:21 C 01 04 29.87 +24 51 08.4 17.3 c 704
2003-10-05 08:37:53 C 01 04 29.88 +24 50 52.6 17.4 c 704