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
2003-06-21 09:04:45 C 21 25 33.87 -03 55 58.5 c 448
2003-06-21 09:12:01 C 21 25 34.64 -03 55 49.3 c 448
2003-06-21 23:11:09 C 21 27 06.48 -03 37 57.0 c 215
2003-06-23 09:00:14 C 21 30 48.86 -02 53 55.4 o 699
2003-06-23 09:18:23 C 21 30 50.82 -02 53 31.6 o 699
2003-06-23 09:36:27 C 21 30 52.72 -02 53 07.8 o 699
2003-06-23 09:54:31 C 21 30 54.61 -02 52 44.4 o 699
2003-06-25 09:16:16 C 21 36 08.88 -01 49 37.6 18.1 c 644
2003-06-25 09:32:56 C 21 36 10.65 -01 49 15.4 17.9 c 644
2003-06-25 09:53:41 C 21 36 12.88 -01 48 47.0 17.9 c 644
2003-06-26 00:42:41 C 21 37 51.66 -01 28 46.1 d 118
2003-06-26 00:44:39 C 21 37 51.81 -01 28 43.0 d 118
2003-06-26 00:46:43 C 21 37 52.09 -01 28 40.5 d 118
2003-06-26 00:49:57 C 21 37 52.43 -01 28 36.4 d 118
2003-06-26 07:52:29 C 21 38 39.80 -01 18 56.6 18.3 c 704
2003-06-26 08:06:54 C 21 38 41.36 -01 18 37.3 18.1 c 704
2003-06-26 08:21:09 C 21 38 42.88 -01 18 17.8 18.4 c 704
2003-06-26 08:35:24 C 21 38 44.43 -01 17 58.5 18.3 c 704
2003-06-26 08:49:39 C 21 38 45.86 -01 17 40.1 18.6 c 704
2003-06-29 08:46:27 C 21 46 50.01 +00 22 30.4 18.3 c 704
2003-06-29 09:00:38 C 21 46 51.62 +00 22 49.7 18.6 c 704
2003-06-29 09:28:52 C 21 46 54.70 +00 23 29.6 18.8 c 704
2003-06-29 09:42:59 C 21 46 56.22 +00 23 49.8 18.7 c 704
2003-06-29 23:11:55 C 21 48 28.18 +00 42 55.4 d 151
2003-06-29 23:15:25 C 21 48 28.61 +00 42 59.9 d 151
2003-06-29 23:17:17 C 21 48 28.78 +00 43 03.0 d 151
2003-06-29 23:18:05 C 21 48 28.88 +00 43 03.5 d 151
2003-07-04 08:07:00 C 22 00 27.55 +03 15 42.5 18.4 c 704
2003-07-04 08:21:20 C 22 00 29.12 +03 16 03.7 18.1 c 704
2003-07-04 08:35:29 C 22 00 30.73 +03 16 24.7 18.3 c 704
2003-07-04 08:49:56 C 22 00 32.31 +03 16 45.5 18.3 c 704
2003-07-04 09:44:17 C 22 00 38.54 +03 18 07.0 c 670
2003-07-04 11:01:48 C 22 00 47.13 +03 20 02.0 c 670
2003-07-05 00:22:09 C 22 02 20.38 +03 39 50.8 J87
2003-07-05 00:24:12 C 22 02 20.66 +03 39 54.0 J87
2003-07-05 00:27:05 C 22 02 20.89 +03 39 58.2 J87
2003-07-06 00:26:02 C 22 05 07.81 +04 15 53.5 d 941
2003-07-06 00:27:12 C 22 05 07.94 +04 15 55.1 d 941
2003-07-06 00:28:21 C 22 05 08.07 +04 15 56.8 d 941
2003-07-06 00:29:30 C 22 05 08.20 +04 15 58.4 d 941
2003-07-06 00:34:48 C 22 05 08.58 +04 16 04.4 c 204
2003-07-06 00:36:31 C 22 05 08.77 +04 16 06.8 c 204
2003-07-06 00:38:14 C 22 05 08.98 +04 16 09.7 c 204
2003-07-06 00:39:56 C 22 05 09.19 +04 16 12.3 c 204
2003-07-06 00:41:39 C 22 05 09.36 +04 16 14.7 c 204
2003-07-11 00:53:09 C 22 19 17.05 +07 19 27.3 d 170
2003-07-11 00:55:39 C 22 19 17.37 +07 19 31.6 d 170
2003-07-14 00:18:16 C 22 27 48.93 +09 09 54.6 c 636
2003-07-14 00:20:55 C 22 27 49.26 +09 09 58.6 c 636
2003-07-14 00:23:34 C 22 27 49.54 +09 10 02.3 c 636