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
2003-08-27 01:27:51 C 00 27 10.72 +29 13 41.7 c 196
2003-08-27 21:36:06 C 00 28 52.67 +29 21 23.3 r 198
2003-08-27 21:39:15 C 00 28 52.92 +29 21 24.5 r 198
2003-08-27 21:45:34 C 00 28 53.41 +29 21 26.9 r 198
2003-08-29 21:25:28 C 00 32 42.57 +29 37 06.3 J87
2003-08-29 21:28:36 C 00 32 42.87 +29 37 07.4 J87
2003-08-29 21:31:35 C 00 32 43.10 +29 37 08.5 J87
2003-09-03 20:52:09 C 00 41 15.32 +29 59 41.7 r 151
2003-09-03 20:55:58 C 00 41 15.56 +29 59 42.1 r 151
2003-09-03 20:56:53 C 00 41 15.63 +29 59 42.1 r 151
2003-09-03 21:02:52 C 00 41 15.99 +29 59 43.1 r 151
2003-09-03 21:05:06 C 00 41 16.14 +29 59 43.3 r 151
2003-09-04 00:38:55 C 00 41 28.99 +30 00 07.0 c 196
2003-09-04 01:24:44 C 00 41 31.70 +30 00 10.8 c 196
2003-09-04 02:08:36 C 00 41 34.25 +30 00 14.7 c 196
2003-09-04 20:34:07 C 00 42 46.67 +30 01 24.5 r 198
2003-09-04 20:38:19 C 00 42 46.94 +30 01 24.9 r 198
2003-09-04 20:46:45 C 00 42 47.44 +30 01 25.7 r 198
2003-09-04 20:55:10 C 00 42 47.95 +30 01 26.5 r 198
2003-09-04 20:59:23 C 00 42 48.20 +30 01 26.9 r 198
2003-09-04 22:42:14 C 00 42 54.26 +30 01 35.8 r 240
2003-09-04 22:44:49 C 00 42 54.39 +30 01 36.0 r 240
2003-09-04 22:52:34 C 00 42 54.82 +30 01 36.5 r 240
2003-09-04 22:55:09 C 00 42 54.97 +30 01 36.7 r 240
2003-09-04 23:02:55 C 00 42 55.41 +30 01 37.2 r 240
2003-09-06 09:11:14 C 00 44 59.50 +30 02 34.2 o 699
2003-09-06 09:35:12 C 00 45 00.72 +30 02 34.3 o 699
2003-09-06 09:59:19 C 00 45 01.96 +30 02 34.0 o 699
2003-09-06 10:23:21 C 00 45 03.20 +30 02 33.8 o 699
2003-09-06 19:43:21 C 00 45 37.64 +30 02 11.4 o 084
2003-09-07 04:41:45 C 00 46 07.64 +30 02 38.8 d 859
2003-09-07 04:53:35 C 00 46 08.21 +30 02 38.7 d 859
2003-09-07 05:06:07 C 00 46 08.76 +30 02 37.1 d 859
2003-09-07 07:50:29 C 00 46 18.91 +30 02 07.2 17.0 c 704
2003-09-07 08:30:04 C 00 46 20.86 +30 02 06.0 17.3 c 704
2003-09-07 08:49:18 C 00 46 21.79 +30 02 05.1 17.4 c 704
2003-09-07 09:09:06 C 00 46 22.74 +30 02 04.4 17.2 c 704
2003-09-08 22:40:29 C 00 48 26.64 +29 59 18.2 o 084
2003-09-09 22:56:57 C 00 49 41.72 +29 56 31.3 o 084
2003-09-11 21:36:57 C 00 51 56.51 +29 48 44.7 o 084
2003-09-11 23:00:29 C 00 52 00.76 +29 48 35.8 r 213
2003-09-11 23:01:56 C 00 52 00.82 +29 48 34.3 r 213
2003-09-11 23:03:22 C 00 52 00.89 +29 48 34.4 r 213
2003-09-11 23:05:27 C 00 52 01.06 +29 48 34.5 r 213
2003-09-11 23:12:19 C 00 52 01.19 +29 48 33.5 r 213
2003-09-13 22:10:44 C 00 54 03.15 +29 37 27.1 c J87
2003-09-13 22:13:54 C 00 54 03.26 +29 37 26.3 c J87
2003-09-13 22:17:04 C 00 54 03.40 +29 37 25.6 c J87
2003-09-13 22:20:15 C 00 54 03.55 +29 37 24.8 c J87
2003-09-14 21:01:03 C 00 54 57.44 +29 30 53.8 r 240