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
2021-11-29 04:32:44 C 02 53 48.07 +18 02 12.8 V G96
2021-11-29 04:41:08 C 02 53 47.89 +18 02 09.2 V G96
2021-11-30 04:12:10 C 02 53 18.60 +17 53 46.1 V G96
2021-11-30 04:20:11 C 02 53 18.41 +17 53 43.0 V G96
2021-11-30 04:28:12 C 02 53 18.25 +17 53 40.2 V G96
2021-11-30 04:36:14 C 02 53 18.07 +17 53 37.8 V G96
2021-12-02 12:24:16 C 02 52 17.712 +17 35 01.61 V P07
2021-12-02 13:21:54 C 02 52 16.627 +17 34 43.43 V P07
2021-12-02 14:29:38 C 02 52 15.358 +17 34 22.15 V P07
2021-12-02 15:35:19 C 02 52 14.071 +17 34 00.44 V P07
2021-12-25 14:55:37 C 02 53 13.58 +15 52 17.4 V D29
2021-12-25 15:26:10 C 02 53 14.15 +15 52 14.3 V D29
2022-01-06 03:50:36 C 02 59 56.45 +15 47 53.9 V G96
2022-01-06 03:58:45 C 02 59 56.71 +15 47 54.2 V G96
2022-01-06 04:06:53 C 02 59 56.92 +15 47 54.8 V G96
2022-01-06 04:15:03 C 02 59 57.17 +15 47 54.9 V G96
2022-01-31 06:43:37 C 03 24 18.590 +16 40 35.54 U F52
2022-01-31 07:00:07 C 03 24 19.373 +16 40 37.69 U F52
2022-01-31 07:33:01 C 03 24 20.946 +16 40 41.85 U F52
2024-05-08 06:22:09 C 12 01 53.360 -06 27 30.09 X F51
2024-05-08 06:37:09 C 12 01 53.049 -06 27 26.46 X F51
2024-05-08 06:52:11 C 12 01 52.682 -06 27 22.29 X F51