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
2021-11-05 00:13:55 S 03 15 39.262 +22 38 09.46 V C57
2021-11-05 00:13:55 s 1 -165760.93 3 +128045.98 8690.0 C57
2021-11-05 00:43:55 S 03 15 37.759 +22 37 45.41 V C57
2021-11-05 00:43:55 s 1 -165656.15 7 +125539.02 1790.0 C57
2021-11-05 02:33:55 S 03 15 33.389 +22 36 38.66 V C57
2021-11-05 02:33:55 s 1 -165087.61 0 +116209.79 4630.0 C57
2021-11-05 02:43:55 S 03 15 32.719 +22 36 32.72 V C57
2021-11-05 02:43:55 s 1 -165021.04 2 +115350.98 3150.0 C57
2021-11-05 06:24:38 C 03 15 53.94 +22 36 52.4 U I41
2021-11-05 06:39:46 C 03 15 53.12 +22 36 44.2 U I41
2021-11-05 07:53:55 S 03 15 20.724 +22 33 31.54 V C57
2021-11-05 07:53:55 s 1 -161590.10 5 +87843.629 2490.0 C57
2021-11-05 09:23:55 S 03 15 17.494 +22 32 43.40 V C57
2021-11-05 09:23:55 s 1 -160043.63 5 +79539.694 2210.0 C57
2021-11-05 10:48:02 C 03 15 40.28 +22 34 31.2 V T05
2021-11-05 11:02:48 C 03 15 39.41 +22 34 23.1 V T05
2021-11-05 11:13:04 C 03 15 38.93 +22 34 18.0 V T05
2021-11-05 11:18:22 C 03 15 38.62 +22 34 14.3 V T05
2021-11-05 13:43:55 S 03 15 07.726 +22 30 16.52 V C57
2021-11-05 13:43:55 s 1 -153921.33 2 +54781.992 2340.0 C57
2021-11-05 22:03:55 S 03 14 49.678 +22 25 29.39 V C57
2021-11-05 22:03:55 s 1 -133286.45 0 + 4566.965 400.0 C57
2021-11-06 06:42:46 C 03 14 40.43 +22 23 34.2 V G96
2021-11-06 06:50:14 C 03 14 40.03 +22 23 30.2 V G96
2021-11-06 06:57:42 C 03 14 39.63 +22 23 26.0 V G96
2021-11-06 07:05:10 C 03 14 39.23 +22 23 22.0 V G96
2021-11-06 11:59:45 C 03 14 24.054 +22 20 43.54 U F51
2021-11-06 12:39:10 C 03 14 21.936 +22 20 21.56 U F51
2021-11-06 12:58:56 C 03 14 20.877 +22 20 10.54 U F51
2021-11-07 06:36:35 C 03 13 29.06 +22 10 30.4 U I41
2021-11-07 07:15:48 C 03 13 26.99 +22 10 09.2 U I41
2021-11-07 07:19:52 C 03 13 26.66 +22 10 07.5 V 703
2021-11-07 07:27:29 C 03 13 26.32 +22 10 03.7 V 703
2021-11-07 07:35:06 C 03 13 25.88 +22 09 59.5 V 703
2021-11-07 07:41:04 C 03 13 25.64 +22 09 55.5 U I41
2021-11-07 07:42:43 C 03 13 25.50 +22 09 55.2 V 703
2021-11-07 07:48:32 C 03 13 25.25 +22 09 51.5 U I41
2021-11-07 08:54:04 C 03 13 22.37 +22 09 18.7 V T08
2021-11-07 08:58:03 C 03 13 22.14 +22 09 15.9 V T08
2021-11-07 09:03:23 C 03 13 21.85 +22 09 13.7 V T08
2021-11-07 09:10:40 C 03 13 21.49 +22 09 10.2 V T08
2021-11-08 18:42:47 C 03 11 41.94 +21 50 52.3 V D29
2021-11-08 19:03:09 C 03 11 40.91 +21 50 40.9 V D29
2021-11-08 19:23:31 C 03 11 39.87 +21 50 29.8 V D29
2021-11-09 06:56:21 C 03 11 07.14 +21 44 16.5 U I41
2021-11-09 07:12:12 C 03 11 06.33 +21 44 08.0 U I41
2021-11-09 08:27:15 C 03 11 03.03 +21 43 30.0 V T05
2021-11-09 08:31:17 C 03 11 02.83 +21 43 28.1 V T05
2021-11-09 08:35:54 C 03 11 02.58 +21 43 25.2 V T05
2021-11-09 09:13:02 C 03 11 00.67 +21 43 05.7 V T05