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
2021-10-26 08:53:56 S 03 28 07.051 +24 49 23.81 V C57
2021-10-26 08:53:56 s 1 +169416.60 0 +67893.153 2580.0 C57
2021-10-26 11:43:56 S 03 27 57.521 +24 48 07.38 V C57
2021-10-26 11:43:56 s 1 +172937.01 6 +83139.039 350.0 C57
2021-10-26 11:59:19 C 03 27 42.15 +24 43 09.8 V T08
2021-10-26 12:03:58 C 03 27 41.88 +24 43 07.0 V T08
2021-10-26 12:13:56 S 03 27 56.107 +24 47 47.83 V C57
2021-10-26 12:13:56 s 1 +173462.88 2 +85785.748 5330.0 C57
2021-10-26 12:27:21 C 03 27 40.60 +24 42 54.9 V T08
2021-10-26 12:49:20 C 03 27 39.47 +24 42 42.8 V T08
2021-10-26 13:13:56 S 03 27 52.810 +24 47 27.78 V C57
2021-10-26 13:13:56 s 1 +174433.86 2 +91038.848 1710.0 C57
2021-10-26 15:03:56 S 03 27 46.721 +24 46 38.86 V C57
2021-10-26 15:03:56 s 1 +175946.80 4 +100528.09 560.0 C57
2021-10-26 15:13:56 S 03 27 46.258 +24 46 34.03 V C57
2021-10-26 15:13:56 s 1 +176067.88 4 +101381.58 2030.0 C57
2021-10-26 15:23:56 S 03 27 45.454 +24 46 32.48 V C57
2021-10-26 15:23:56 s 1 +176186.29 9 +102233.54 4500.0 C57
2021-10-26 16:33:56 S 03 27 41.664 +24 46 01.81 V C57
2021-10-26 16:33:56 s 1 +176942.05 8 +108154.15 4480.0 C57
2021-10-26 17:03:56 S 03 27 39.622 +24 45 52.09 V C57
2021-10-26 17:03:56 s 1 +177227.70 3 +110668.38 6630.0 C57
2021-10-26 18:13:56 S 03 27 35.472 +24 45 18.90 V C57
2021-10-26 18:13:56 s 1 +177808.18 0 +116480.66 4410.0 C57
2021-10-26 18:33:56 S 03 27 34.390 +24 45 06.59 V C57
2021-10-26 18:33:56 s 1 +177952.47 2 +118127.34 6710.0 C57
2021-10-26 20:23:56 S 03 27 28.382 +24 44 14.53 V C57
2021-10-26 20:23:56 s 1 +178581.88 2 +127072.83 300.0 C57
2021-10-26 21:03:56 S 03 27 26.076 +24 44 01.07 V C57
2021-10-26 21:03:56 s 1 +178744.26 3 +130279.06 9180.0 C57
2021-10-26 21:33:56 S 03 27 24.353 +24 43 51.78 V C57
2021-10-26 21:33:56 s 1 +178843.62 7 +132667.40 2760.0 C57
2021-10-26 22:13:56 S 03 27 21.854 +24 43 29.06 V C57
2021-10-26 22:13:56 s 1 +178946.87 8 +135830.10 2380.0 C57
2021-10-26 22:23:56 S 03 27 21.420 +24 43 24.10 V C57
2021-10-26 22:23:56 s 1 +178967.55 4 +136616.89 4980.0 C57
2021-10-26 23:23:56 S 03 27 17.986 +24 43 04.91 V C57
2021-10-26 23:23:56 s 1 +179049.40 7 +141305.08 8470.0 C57
2021-10-27 00:03:56 S 03 27 15.763 +24 42 42.59 V C57
2021-10-27 00:03:56 s 1 +179064.64 8 +144399.58 1740.0 C57
2021-10-27 00:33:56 S 03 27 14.249 +24 42 22.36 V C57
2021-10-27 00:33:56 s 1 +179055.95 7 +146704.23 1480.0 C57
2021-10-27 04:13:56 S 03 27 01.632 +24 40 35.26 V C57
2021-10-27 04:13:56 s 1 +178493.75 9 +163182.62 6990.0 C57
2021-10-27 06:23:56 S 03 26 54.036 +24 39 36.76 V C57
2021-10-27 06:23:56 s 1 +177777.71 9 +172573.70 9760.0 C57
2021-10-27 06:33:56 S 03 26 53.460 +24 39 32.80 V C57
2021-10-27 06:33:56 s 1 +177711.60 1 +173285.54 630.0 C57
2021-10-27 08:33:56 S 03 26 46.399 +24 38 31.81 V C57
2021-10-27 08:33:56 s 1 +176800.84 5 +181711.11 7720.0 C57