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
2003-10-27 04:50:47 C 01 07 35.52 +18 10 55.0 c 691
2003-10-27 05:30:02 C 01 07 35.74 +18 10 28.8 c 691
2003-10-27 06:09:26 C 01 07 35.93 +18 10 01.9 c 691
2003-10-27 20:17:20 C 01 07 45.16 +18 00 23.4 17.7 c 469
2003-10-27 20:28:57 C 01 07 45.24 +18 00 15.5 17.2 c 469
2003-10-27 20:38:44 C 01 07 45.30 +18 00 09.2 17.1 c 469
2003-10-29 03:25:38 C 01 08 06.17 +17 39 49.0 o 699
2003-10-29 03:54:20 C 01 08 06.39 +17 39 31.0 o 699
2003-10-29 04:23:01 C 01 08 06.61 +17 39 12.5 o 699
2003-10-29 04:51:46 C 01 08 06.81 +17 38 53.6 o 699
2003-10-30 05:01:38 C 01 08 24.26 +17 23 21.9 17.4 c 704
2003-10-30 05:37:27 C 01 08 24.51 +17 22 58.6 17.7 c 704
2003-10-30 05:55:52 C 01 08 24.69 +17 22 46.9 17.8 c 704
2003-10-30 06:13:27 C 01 08 24.79 +17 22 36.0 17.4 c 704
2003-11-01 04:54:57 C 01 09 02.62 +16 53 39.0 18.1 c 704
2003-11-01 05:12:30 C 01 09 02.80 +16 53 28.5 17.9 c 704
2003-11-01 05:30:08 C 01 09 02.99 +16 53 17.9 18.2 c 704
2003-11-01 05:47:41 C 01 09 03.17 +16 53 07.6 18.2 c 704
2003-11-01 06:05:16 C 01 09 03.38 +16 52 56.0 18.2 c 704
2003-11-01 19:47:07 C 01 09 15.59 +16 44 37.2 o 084
2003-11-02 17:40:19 C 01 09 36.13 +16 31 48.5 c 113
2003-11-02 17:42:57 C 01 09 36.18 +16 31 47.3 c 113
2003-11-02 17:45:31 C 01 09 36.18 +16 31 46.1 c 113
2003-11-02 17:48:08 C 01 09 36.21 +16 31 45.0 c 113
2003-11-02 17:50:43 C 01 09 36.26 +16 31 42.3 c 113
2003-11-17 22:03:04 C 01 17 45.11 +13 48 16.0 r 170
2003-11-17 22:05:17 C 01 17 45.19 +13 48 15.1 r 170
2003-11-18 02:37:39 C 01 17 53.81 +13 46 49.2 19.6 c 644
2003-11-18 03:07:17 C 01 17 54.59 +13 46 40.6 18.5 c 644
2003-11-18 03:37:50 C 01 17 55.39 +13 46 31.1 18.7 c 644
2003-11-20 04:54:56 C 01 19 24.16 +13 31 41.8 19.5 c 704
2003-11-20 05:13:54 C 01 19 24.80 +13 31 36.2 19.9 c 704
2003-11-20 05:32:28 C 01 19 25.27 +13 31 31.0 19.9 c 704
2003-11-20 05:51:10 C 01 19 25.81 +13 31 24.2 19.9 c 704
2003-11-20 06:09:56 C 01 19 26.32 +13 31 19.8 20.1 c 704
2003-11-21 05:14:48 C 01 20 10.16 +13 24 56.9 o 699
2003-11-21 05:33:43 C 01 20 10.70 +13 24 50.3 o 699
2003-11-21 05:52:49 C 01 20 11.17 +13 24 45.7 o 699
2003-11-21 06:11:48 C 01 20 11.84 +13 24 40.9 o 699
2003-11-22 02:34:52 C 01 20 51.97 +13 19 21.0 c 691
2003-11-22 03:16:49 C 01 20 53.23 +13 19 10.5 c 691
2003-11-22 03:58:51 C 01 20 54.47 +13 19 00.0 c 691
2003-11-24 03:04:43 C 01 22 29.36 +13 07 43.3 o 695
2003-11-24 03:14:52 C 01 22 29.63 +13 07 41.3 19.0 c 704
2003-11-24 03:32:59 C 01 22 30.19 +13 07 37.7 19.6 c 704
2003-11-24 03:51:02 C 01 22 30.73 +13 07 34.2 20.0 c 704
2003-11-24 04:08:55 C 01 22 31.29 +13 07 29.4 19.7 c 704
2003-11-24 04:26:54 C 01 22 31.92 +13 07 25.3 19.5 c 704
2003-11-24 05:01:25 C 01 22 32.97 +13 07 17.7 o 695
2003-11-26 04:51:23 C 01 24 14.07 +12 57 17.9 o 699