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
2021-11-02 17:23:55 S 03 18 12.917 +23 11 26.81 V C57
2021-11-02 17:23:55 s 1 -104972.91 9 +317772.58 5020.0 C57
2021-11-02 18:03:55 S 03 18 10.884 +23 11 02.00 V C57
2021-11-02 18:03:55 s 1 -106199.19 3 +316347.76 4100.0 C57
2021-11-02 18:09:31 C 03 18 57.019 +23 10 06.06 V P07
2021-11-02 18:33:55 S 03 18 09.478 +23 10 46.09 V C57
2021-11-02 18:33:55 s 1 -107114.55 3 +315266.55 4310.0 C57
2021-11-02 18:43:55 S 03 18 09.218 +23 10 38.50 V C57
2021-11-02 18:43:55 s 1 -107418.83 5 +314903.75 7860.0 C57
2021-11-02 19:05:22 C 03 18 53.894 +23 09 35.32 V P07
2021-11-02 20:13:55 S 03 18 04.565 +23 09 43.45 V C57
2021-11-02 20:13:55 s 1 -110138.12 3 +311584.24 6340.0 C57
2021-11-02 23:33:55 S 03 17 54.338 +23 07 43.86 V C57
2021-11-02 23:33:55 s 1 -116050.91 7 +303854.54 9190.0 C57
2021-11-03 00:33:55 S 03 17 51.552 +23 06 59.18 V C57
2021-11-03 00:33:55 s 1 -117787.81 1 +301439.63 2780.0 C57
2021-11-03 04:13:55 S 03 17 40.234 +23 04 48.40 V C57
2021-11-03 04:13:55 s 1 -123999.22 1 +292199.78 7430.0 C57
2021-11-03 05:13:55 S 03 17 37.678 +23 04 10.24 V C57
2021-11-03 05:13:55 s 1 -125648.04 7 +289573.53 7890.0 C57
2021-11-03 05:43:55 S 03 17 36.002 +23 03 55.19 V C57
2021-11-03 05:43:55 s 1 -126464.84 0 +288243.14 4370.0 C57
2021-11-03 06:51:10 C 03 18 18.78 +23 02 56.5 U I41
2021-11-03 06:54:45 C 03 18 18.54 +23 02 55.2 V 703
2021-11-03 07:02:22 C 03 18 18.11 +23 02 50.1 V 703
2021-11-03 07:09:59 C 03 18 17.68 +23 02 46.9 V 703
2021-11-03 07:13:55 S 03 17 31.764 +23 02 58.02 V C57
2021-11-03 07:13:55 s 1 -128883.87 6 +284182.45 5640.0 C57
2021-11-03 07:17:36 C 03 18 17.23 +23 02 42.5 V 703
2021-11-03 07:21:20 C 03 18 17.13 +23 02 40.1 U I41
2021-11-03 07:53:55 S 03 17 29.302 +23 02 40.20 V C57
2021-11-03 07:53:55 s 1 -129943.53 1 +282344.02 3470.0 C57
2021-11-03 08:23:55 S 03 17 28.313 +23 02 17.48 V C57
2021-11-03 08:23:55 s 1 -130731.86 6 +280951.51 2730.0 C57
2021-11-03 09:53:55 S 03 17 23.422 +23 01 22.66 V C57
2021-11-03 09:53:55 s 1 -133063.08 7 +276703.21 3420.0 C57
2021-11-03 10:47:07 C 03 18 06.47 +23 00 51.1 V T08
2021-11-03 10:53:46 C 03 18 06.09 +23 00 47.8 V T08
2021-11-03 11:04:36 C 03 18 05.51 +23 00 41.7 V T08
2021-11-03 11:25:34 C 03 18 04.36 +23 00 30.3 V T08
2021-11-03 12:23:55 S 03 17 16.039 +22 59 51.61 V C57
2021-11-03 12:23:55 s 1 -136830.94 2 +269384.26 6380.0 C57
2021-11-03 13:13:55 S 03 17 14.138 +22 59 17.20 V C57
2021-11-03 13:13:55 s 1 -138052.72 5 +266877.61 2480.0 C57
2021-11-03 14:58:42 C 03 17 54.077 +22 58 41.84 V P07
2021-11-03 16:05:09 C 03 17 50.374 +22 58 05.74 V P07
2021-11-03 17:19:03 C 03 17 46.349 +22 57 24.66 V P07
2021-11-03 18:15:03 C 03 17 43.248 +22 56 54.56 V P07
2021-11-03 18:33:55 S 03 16 58.709 +22 56 02.94 V C57
2021-11-03 18:33:55 s 1 -145432.32 8 +250024.66 6640.0 C57