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
2021-09-22 11:33:39 C 03 41 32.84 +29 17 46.0 V T05
2021-09-22 11:37:43 C 03 41 32.87 +29 17 45.6 V T05
2021-09-22 11:52:21 C 03 41 33.25 +29 17 43.3 V T05
2021-09-28 12:50:34 C 03 44 08.37 +28 54 21.2 V T08
2021-09-28 12:53:16 C 03 44 08.37 +28 54 20.6 V T08
2021-09-28 13:13:41 C 03 44 08.40 +28 54 17.0 V T08
2021-09-28 13:21:50 C 03 44 08.45 +28 54 15.2 V T08
2021-10-03 10:56:13 C 03 44 25.818 +28 26 45.98 U F52
2021-10-03 11:13:29 C 03 44 25.674 +28 26 41.68 U F52
2021-10-03 11:30:45 C 03 44 25.524 +28 26 37.32 U F52
2021-10-04 11:59:30 C 03 44 16.75 +28 19 57.2 V T05
2021-10-04 12:03:34 C 03 44 16.68 +28 19 55.8 V T05
2021-10-04 12:10:49 C 03 44 16.62 +28 19 53.9 V T05
2021-10-04 12:18:12 C 03 44 16.54 +28 19 52.0 V T05
2021-10-06 11:20:18 C 03 43 48.81 +28 06 05.7 V T08
2021-10-06 11:24:19 C 03 43 48.70 +28 06 04.7 V T08
2021-10-06 11:32:16 C 03 43 48.57 +28 06 02.2 V T08
2021-10-06 11:41:43 C 03 43 48.45 +28 05 59.3 V T08
2021-10-13 08:10:03 C 03 40 21.68 +27 08 29.3 V G96
2021-10-13 08:17:31 C 03 40 21.46 +27 08 26.4 V G96
2021-10-13 08:24:59 C 03 40 21.19 +27 08 23.2 V G96
2021-10-13 08:32:27 C 03 40 20.93 +27 08 20.4 V G96
2021-10-14 10:09:57 C 03 39 35.235 +26 58 10.85 U F51
2021-10-14 10:10:54 C 03 39 35.203 +26 58 10.44 U F51
2021-10-14 10:27:37 C 03 39 34.616 +26 58 03.97 U F51
2021-10-14 10:28:32 C 03 39 34.586 +26 58 03.59 U F51
2021-10-14 10:45:18 C 03 39 33.995 +26 57 57.09 U F51
2021-10-14 10:46:14 C 03 39 33.962 +26 57 56.66 U F51
2021-10-14 11:00:19 C 03 39 33.47 +26 57 51.7 V T08
2021-10-14 11:02:58 C 03 39 33.38 +26 57 50.4 V T08
2021-10-14 11:04:08 C 03 39 33.328 +26 57 49.65 U F51
2021-10-14 11:06:57 C 03 39 33.22 +26 57 48.2 V T08
2021-10-14 11:44:09 C 03 39 31.88 +26 57 34.3 V T08
2021-10-15 07:12:57 C 03 38 54.78 +26 49 31.3 V 703
2021-10-15 07:20:32 C 03 38 54.55 +26 49 27.7 V 703
2021-10-15 07:28:07 C 03 38 54.27 +26 49 25.4 V 703
2021-10-15 07:35:41 C 03 38 53.97 +26 49 21.7 V 703
2021-10-15 13:03:56 S 03 38 35.938 +26 54 19.62 V C57
2021-10-15 13:03:56 s 1 +144724.51 6 +269750.29 4150.0 C57
2021-10-18 01:13:56 S 03 35 59.249 +26 27 01.44 V C57
2021-10-18 01:13:56 s 1 +27570.621 0 +368884.61 5240.0 C57
2021-10-18 10:33:56 S 03 35 34.822 +26 22 26.22 V C57
2021-10-18 11:13:56 S 03 35 32.971 +26 22 02.71 V C57
2021-10-18 12:13:56 S 03 35 30.528 +26 21 35.35 V C57
2021-10-18 13:33:56 S 03 35 26.815 +26 20 51.36 V C57
2021-10-18 17:23:56 S 03 35 16.800 +26 18 57.53 V C57
2021-10-18 23:03:56 S 03 35 01.848 +26 16 08.15 V C57
2021-10-18 23:03:56 s 1 -20719.011 0 +369842.54 6270.0 C57
2021-10-26 06:53:56 S 03 28 13.666 +24 50 12.05 V C57
2021-10-26 06:53:56 s 1 +166334.14 5 +56887.913 300.0 C57