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
2021-08-19 13:39:23 C 02 44 21.91 +27 40 44.3 V T08
2021-09-02 10:11:46 C 03 15 44.64 +29 10 32.4 U I41
2021-09-02 11:19:12 C 03 15 49.72 +29 10 43.9 U I41
2021-09-03 10:52:27 C 03 17 39.98 +29 14 17.6 V G96
2021-09-03 10:59:52 C 03 17 40.51 +29 14 18.3 V G96
2021-09-03 11:07:18 C 03 17 41.06 +29 14 19.8 V G96
2021-09-03 11:14:44 C 03 17 41.60 +29 14 20.9 V G96
2021-09-04 10:15:33 C 03 19 26.37 +29 17 28.0 U I41
2021-09-04 10:48:59 C 03 19 28.75 +29 17 32.7 U I41
2021-09-04 13:33:41 C 03 19 40.98 +29 17 57.4 V T08
2021-09-04 14:03:02 C 03 19 43.06 +29 18 01.8 V T08
2021-09-04 14:09:03 C 03 19 43.42 +29 18 02.4 V T08
2021-09-04 14:32:29 C 03 19 45.07 +29 18 05.3 V T08
2021-09-05 11:14:02 C 03 21 15.79 +29 20 31.0 V 703
2021-09-05 11:21:51 C 03 21 16.28 +29 20 31.7 V 703
2021-09-05 11:29:47 C 03 21 16.84 +29 20 32.4 V 703
2021-09-05 11:38:02 C 03 21 17.41 +29 20 33.1 V 703
2021-09-08 13:43:41 C 03 26 19.98 +29 27 18.4 V T08
2021-09-08 13:49:00 C 03 26 20.33 +29 27 19.2 V T08
2021-09-08 13:54:35 C 03 26 20.66 +29 27 19.2 V T08
2021-09-08 14:11:34 C 03 26 21.68 +29 27 20.6 V T08
2021-09-10 09:47:49 C 03 29 03.45 +29 29 38.7 U I41
2021-09-10 10:11:20 C 03 29 04.70 +29 29 40.0 V 703
2021-09-10 10:18:53 C 03 29 05.09 +29 29 40.6 V 703
2021-09-10 10:26:25 C 03 29 05.46 +29 29 41.1 V 703
2021-09-10 10:33:58 C 03 29 05.90 +29 29 41.1 V 703
2021-09-10 10:50:39 C 03 29 06.95 +29 29 42.0 U I41
2021-09-10 11:49:13 C 03 29 10.91 +29 29 46.0 V T05
2021-09-10 11:59:18 C 03 29 11.46 +29 29 47.4 V T05
2021-09-10 12:03:58 C 03 29 11.67 +29 29 46.9 V T05
2021-09-10 12:15:57 C 03 29 12.32 +29 29 47.7 V T05
2021-09-12 09:49:50 C 03 31 46.84 +29 30 57.9 U I41
2021-09-12 10:00:33 C 03 31 47.26 +29 30 59.0 V 703
2021-09-12 10:08:03 C 03 31 47.67 +29 30 59.0 V 703
2021-09-12 10:15:33 C 03 31 47.97 +29 30 58.9 V 703
2021-09-12 10:16:40 C 03 31 48.18 +29 30 58.6 U I41
2021-09-12 10:23:03 C 03 31 48.42 +29 30 59.3 V 703
2021-09-12 12:34:11 C 03 31 55.74 +29 31 04.1 V T08
2021-09-12 12:42:57 C 03 31 56.21 +29 31 04.5 V T08
2021-09-12 12:46:17 C 03 31 56.30 +29 31 03.9 V T08
2021-09-12 13:01:37 C 03 31 57.06 +29 31 04.1 V T08
2021-09-16 09:38:34 C 03 36 26.76 +29 29 36.7 V 703
2021-09-16 09:46:08 C 03 36 27.04 +29 29 37.2 V 703
2021-09-16 09:53:42 C 03 36 27.36 +29 29 37.7 V 703
2021-09-16 10:01:15 C 03 36 27.61 +29 29 36.8 V 703
2021-09-18 12:00:30 C 03 38 29.149 +29 26 53.38 U F52
2021-09-18 12:15:21 C 03 38 29.640 +29 26 52.54 U F52
2021-09-18 12:30:09 C 03 38 30.139 +29 26 51.82 U F52
2021-09-18 12:44:56 C 03 38 30.623 +29 26 50.91 U F52
2021-09-22 11:27:45 C 03 41 32.61 +29 17 46.7 V T05