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
2003-08-02 00:02:46 C 23 23 13.31 +20 21 56.8 c 108
2003-08-02 22:49:28 C 23 25 57.48 +20 51 23.4 d 151
2003-08-02 22:51:05 C 23 25 57.67 +20 51 25.3 d 151
2003-08-02 22:53:05 C 23 25 57.86 +20 51 28.1 d 151
2003-08-02 22:55:33 C 23 25 58.18 +20 51 31.2 d 151
2003-08-03 23:08:00 C 23 28 51.58 +21 22 11.2 c 469
2003-08-03 23:20:10 C 23 28 52.89 +21 22 26.5 17.1 c 469
2003-08-03 23:31:39 C 23 28 54.19 +21 22 41.1 17.0 c 469
2003-08-03 23:40:30 C 23 28 55.26 +21 22 52.4 17.1 c 469
2003-08-03 23:50:29 C 23 28 56.31 +21 23 04.8 17.3 c 469
2003-08-06 23:23:34 C 23 37 23.26 +22 49 24.7 c 240
2003-08-06 23:25:40 C 23 37 23.48 +22 49 27.3 c 240
2003-08-06 23:27:45 C 23 37 23.71 +22 49 29.9 c 240
2003-08-06 23:29:51 C 23 37 23.94 +22 49 32.2 c 240
2003-08-06 23:39:14 C 23 37 25.02 +22 49 44.5 c 240
2003-08-06 23:44:40 C 23 37 25.89 +22 49 53.0 c 176
2003-08-06 23:46:31 C 23 37 26.09 +22 49 55.3 c 176
2003-08-06 23:48:09 C 23 37 26.26 +22 49 57.2 c 176
2003-08-06 23:49:50 C 23 37 26.46 +22 49 59.2 c 176
2003-08-06 23:51:39 C 23 37 26.66 +22 50 01.3 c 176
2003-08-08 23:09:50 C 23 42 56.51 +23 43 21.3 d J87
2003-08-08 23:13:39 C 23 42 56.93 +23 43 25.8 d J87
2003-08-08 23:16:54 C 23 42 57.35 +23 43 29.0 d J87
2003-08-10 10:00:21 C 23 46 55.91 +24 20 51.2 17.8 c 608
2003-08-10 10:16:48 C 23 46 57.61 +24 21 09.4 17.8 c 608
2003-08-10 10:31:54 C 23 46 59.23 +24 21 25.6 18.0 c 608
2003-08-10 22:19:48 C 23 48 19.83 +24 33 28.4 d 941
2003-08-10 22:20:57 C 23 48 19.96 +24 33 29.4 d 941
2003-08-10 22:22:06 C 23 48 20.08 +24 33 30.4 d 941
2003-08-10 22:23:15 C 23 48 20.21 +24 33 31.3 d 941
2003-08-10 22:24:24 C 23 48 20.34 +24 33 32.3 d 941
2003-08-10 22:25:33 C 23 48 20.47 +24 33 33.2 d 941
2003-08-12 22:26:25 C 23 53 42.70 +25 21 13.8 c 198
2003-08-12 22:36:20 C 23 53 43.76 +25 21 23.4 c 198
2003-08-12 22:48:25 C 23 53 45.05 +25 21 35.2 c 198
2003-08-12 22:58:18 C 23 53 46.13 +25 21 44.8 c 198
2003-08-13 00:11:20 C 23 53 54.07 +25 22 59.5 d 170
2003-08-13 00:13:10 C 23 53 54.27 +25 23 01.5 d 170
2003-08-13 00:15:01 C 23 53 54.46 +25 23 03.4 d 170
2003-08-19 20:53:56 C 00 11 16.94 +27 38 54.5 r 151
2003-08-19 20:56:09 C 00 11 17.17 +27 38 55.8 r 151
2003-08-19 20:57:44 C 00 11 17.30 +27 38 57.1 r 151
2003-08-19 20:59:34 C 00 11 17.50 +27 38 58.5 r 151
2003-08-19 21:00:46 C 00 11 17.60 +27 38 59.2 r 151
2003-08-19 21:03:06 C 00 11 17.84 +27 39 01.1 r 151
2003-08-19 21:04:11 C 00 11 17.95 +27 39 01.9 r 151
2003-08-19 21:05:54 C 00 11 18.12 +27 39 03.2 r 151
2003-08-20 05:12:56 C 00 12 05.09 +27 45 17.0 m 859
2003-08-20 05:24:31 C 00 12 06.05 +27 45 26.5 m 859
2003-08-20 06:21:50 C 00 12 13.22 +27 45 25.0 r 642