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
1985-09-08 10:18:02 19 52 14.13 +03 08 21.4 c 260
1985-09-08 11:28:01 19 52 22.36 +03 08 25.6 c 260
2003-05-30 09:07:05 C 20 30 30.16 -13 16 43.1 18.2 c 704
2003-05-30 09:22:23 C 20 30 31.64 -13 16 30.0 18.6 c 704
2003-05-30 09:37:48 C 20 30 33.13 -13 16 16.4 18.5 c 704
2003-05-30 09:53:04 C 20 30 34.60 -13 16 03.7 18.8 c 704
2003-05-30 10:08:26 C 20 30 36.09 -13 15 51.2 19.3 c 704
2003-05-31 00:26:29 C 20 32 02.45 -13 03 33.6 c 246
2003-05-31 00:27:25 C 20 32 02.57 -13 03 33.5 c 246
2003-05-31 00:28:42 C 20 32 02.69 -13 03 31.8 c 246
2003-05-31 00:31:01 C 20 32 02.91 -13 03 30.4 c 246
2003-05-31 00:32:15 C 20 32 03.01 -13 03 29.9 c 246
2003-05-31 00:32:30 C 20 32 03.18 -13 03 26.2 c 176
2003-05-31 00:33:41 C 20 32 03.16 -13 03 28.6 c 246
2003-05-31 00:49:59 C 20 32 04.97 -13 03 11.7 c 176
2003-05-31 00:54:59 C 20 32 05.48 -13 03 07.6 c 176
2003-05-31 00:59:13 C 20 32 05.86 -13 03 03.7 o 620
2003-05-31 01:06:55 C 20 32 06.59 -13 02 57.6 o 620
2003-05-31 01:07:20 C 20 32 06.74 -13 02 57.4 c 176
2003-05-31 01:14:38 C 20 32 07.37 -13 02 51.5 o 620
2003-05-31 10:17:05 C 20 33 01.77 -12 54 58.5 c 854
2003-05-31 10:27:45 C 20 33 02.75 -12 54 48.6 c 854
2003-05-31 10:30:19 C 20 33 02.95 -12 54 46.4 c 854
2003-06-02 00:16:44 C 20 36 51.79 -12 21 18.0 c 246
2003-06-02 00:19:55 C 20 36 52.10 -12 21 14.6 c 246
2003-06-02 00:24:47 C 20 36 52.67 -12 21 10.0 c 246
2003-06-02 00:26:33 C 20 36 52.75 -12 21 08.8 c 246
2003-06-02 00:29:01 C 20 36 52.99 -12 21 05.2 c 246
2003-06-02 09:03:47 C 20 37 45.08 -12 13 17.5 c 711
2003-06-02 09:12:51 C 20 37 45.92 -12 13 08.8 c 711
2003-06-02 09:21:55 C 20 37 46.83 -12 13 00.6 c 711
2003-06-02 12:30:19 C 20 38 06.26 -12 09 52.3 c 474
2003-06-02 12:33:29 C 20 38 06.50 -12 09 48.9 c 474
2003-06-02 12:39:40 C 20 38 07.13 -12 09 43.3 c 474
2003-06-02 12:45:19 C 20 38 07.65 -12 09 37.9 c 474
2003-06-04 00:33:54 C 20 41 45.50 -11 36 51.6 c 246
2003-06-04 00:35:53 C 20 41 45.68 -11 36 49.4 c 246
2003-06-04 00:37:07 C 20 41 45.82 -11 36 48.8 c 246
2003-06-04 00:38:38 C 20 41 45.96 -11 36 47.1 c 246
2003-06-04 00:39:56 C 20 41 46.12 -11 36 46.0 c 246
2003-06-04 12:06:09 C 20 42 56.27 -11 25 37.6 c 474
2003-06-04 12:11:30 C 20 42 56.79 -11 25 32.0 c 474
2003-06-04 12:17:09 C 20 42 57.34 -11 25 26.3 c 474
2003-06-04 12:20:59 C 20 42 57.75 -11 25 21.8 c 474
2003-06-08 18:20:59 C 20 53 24.99 -09 44 39.4 c 413
2003-06-08 18:24:46 C 20 53 25.36 -09 44 35.4 c 413
2003-06-20 02:11:55 C 21 22 12.29 -04 35 02.4 c 132
2003-06-20 02:20:50 C 21 22 13.17 -04 34 50.8 c 132
2003-06-20 02:28:38 C 21 22 14.02 -04 34 41.4 c 132
2003-06-21 08:53:51 C 21 25 32.72 -03 56 12.6 c 448