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
2003-10-08 04:08:22 C 01 04 54.97 +23 58 46.2 c 750
2003-10-08 04:14:08 C 01 04 55.02 +23 58 41.5 c 750
2003-10-08 04:39:49 C 01 04 54.98 +23 58 21.8 c 750
2003-10-08 04:48:52 C 01 04 54.97 +23 58 14.5 c 750
2003-10-08 21:05:10 C 01 04 59.77 +23 45 25.7 o 084
2003-10-13 17:52:25 C 01 05 32.50 +22 13 08.1 r 151
2003-10-13 17:56:24 C 01 05 32.52 +22 13 05.3 r 151
2003-10-13 17:57:48 C 01 05 32.53 +22 13 04.2 r 151
2003-10-13 17:59:00 C 01 05 32.52 +22 13 03.5 r 151
2003-10-15 20:54:24 C 01 05 45.46 +21 32 55.1 r 240
2003-10-15 20:58:00 C 01 05 45.47 +21 32 52.3 r 240
2003-10-15 21:05:12 C 01 05 45.48 +21 32 46.6 r 240
2003-10-15 21:07:00 C 01 05 45.49 +21 32 45.4 r 240
2003-10-15 21:10:36 C 01 05 45.50 +21 32 42.4 r 240
2003-10-15 21:15:59 C 01 05 45.51 +21 32 38.6 r 240
2003-10-16 17:57:02 C 01 05 51.82 +21 16 22.6 r 151
2003-10-16 17:57:22 C 01 05 51.82 +21 16 21.9 r 151
2003-10-16 18:05:41 C 01 05 51.83 +21 16 15.7 r 151
2003-10-16 18:14:21 C 01 05 51.87 +21 16 08.9 r 151
2003-10-16 18:22:15 C 01 05 51.86 +21 16 02.8 r 151
2003-10-16 18:26:30 C 01 05 51.93 +21 15 59.7 r 151
2003-10-16 19:38:46 C 01 05 51.60 +21 15 01.9 o 084
2003-10-17 08:17:12 C 01 05 54.40 +21 05 19.0 o 699
2003-10-17 08:36:24 C 01 05 54.43 +21 05 03.3 o 699
2003-10-17 08:55:36 C 01 05 54.41 +21 04 47.8 o 699
2003-10-17 09:14:43 C 01 05 54.41 +21 04 32.6 o 699
2003-10-17 16:51:10 C 01 05 56.64 +20 58 38.8 300
2003-10-17 17:13:10 C 01 05 56.67 +20 58 21.3 300
2003-10-17 17:35:12 C 01 05 56.62 +20 58 03.3 300
2003-10-17 17:46:11 C 01 05 56.65 +20 57 54.5 300
2003-10-17 23:27:25 C 01 05 59.12 +20 53 25.7 c 113
2003-10-17 23:30:01 C 01 05 59.11 +20 53 23.7 c 113
2003-10-17 23:32:35 C 01 05 59.13 +20 53 21.6 c 113
2003-10-17 23:35:11 C 01 05 59.13 +20 53 19.4 c 113
2003-10-17 23:37:45 C 01 05 59.13 +20 53 17.7 c 113
2003-10-18 22:29:55 C 01 06 06.33 +20 35 34.3 o 084
2003-10-19 22:31:28 C 01 06 14.28 +20 17 10.1 o 084
2003-10-20 06:06:27 C 01 06 16.99 +20 11 29.0 r 750
2003-10-20 06:13:48 C 01 06 16.99 +20 11 23.4 r 750
2003-10-20 06:16:48 C 01 06 17.01 +20 11 21.1 r 750
2003-10-20 07:56:42 C 01 06 17.53 +20 10 09.5 17.0 c 644
2003-10-20 08:29:30 C 01 06 17.56 +20 09 44.1 17.1 c 644
2003-10-20 09:05:30 C 01 06 17.59 +20 09 16.6 17.0 c 644
2003-10-22 06:11:12 C 01 06 35.45 +19 35 28.2 17.8 c 704
2003-10-22 06:28:58 C 01 06 35.48 +19 35 15.3 18.3 c 704
2003-10-22 06:47:05 C 01 06 35.52 +19 35 01.5 18.2 c 704
2003-10-22 07:04:52 C 01 06 35.55 +19 34 48.2 18.2 c 704
2003-10-22 07:22:19 C 01 06 35.59 +19 34 35.2 17.9 c 704
2003-10-22 20:06:22 C 01 06 41.48 +19 25 03.6 o 084
2003-10-24 18:38:20 C 01 07 03.29 +18 51 21.5 o 084