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
2003-11-26 05:19:52 C 01 24 15.05 +12 57 11.7 o 699
2003-11-26 05:48:17 C 01 24 16.11 +12 57 07.7 o 699
2003-11-26 06:16:47 C 01 24 17.01 +12 57 01.1 o 699
2003-12-01 04:49:09 C 01 28 47.74 +12 38 11.3 19.4 c 704
2003-12-01 05:07:47 C 01 28 48.52 +12 38 09.4 19.6 c 704
2003-12-01 06:03:54 C 01 28 50.59 +12 38 02.8 19.5 c 704
2007-12-06 10:07:26 C 07 31 09.01 +17 07 33.1 o 691
2007-12-06 10:32:51 C 07 31 08.03 +17 07 32.6 o 691
2010-05-18 14:01:26 C 15 11 51.03 -20 03 23.0 r E12
2010-05-18 14:17:49 C 15 11 49.99 -20 03 17.2 r E12
2010-05-18 14:34:15 C 15 11 49.16 -20 03 10.8 r E12
2010-05-18 14:50:41 C 15 11 48.15 -20 03 04.1 r E12
2010-05-23 22:51:36 C 15 04 51.45 -19 11 16.7 u B67
2010-05-23 23:03:33 C 15 04 50.76 -19 11 11.4 u B67
2010-05-23 23:15:57 C 15 04 50.11 -19 11 06.1 u B67
2010-06-05 06:36:31 C 14 50 02.14 -17 04 34.7 19.2 c 704
2010-06-05 06:51:54 C 14 50 01.45 -17 04 27.4 19.8 c 704
2010-06-05 07:07:31 C 14 50 00.77 -17 04 20.8 20.0 c 704
2010-06-05 07:23:06 C 14 49 59.93 -17 04 14.0 19.5 c 704
2010-06-05 07:38:34 C 14 49 59.28 -17 04 07.0 19.4 c 704
2010-08-04 09:00:29 S 15 04 33.20 -13 07 28.0 L C51
2010-08-04 12:11:00 S 15 04 45.75 -13 07 47.8 L C51
2010-08-04 15:21:31 S 15 04 58.23 -13 08 08.2 L C51
2010-08-04 18:32:02 S 15 05 10.78 -13 08 30.8 L C51
2010-08-05 00:53:04 S 15 05 35.94 -13 09 12.8 L C51
2010-08-05 02:28:14 S 15 05 42.40 -13 09 24.2 L C51
2010-08-05 04:03:35 S 15 05 48.72 -13 09 35.2 L C51
2010-08-05 05:38:45 S 15 05 55.00 -13 09 44.5 L C51
2010-08-05 07:14:06 S 15 06 01.36 -13 09 56.7 L C51
2010-08-05 08:49:16 S 15 06 07.80 -13 10 07.0 L C51
2010-08-05 10:24:37 S 15 06 14.170 -13 10 19.67 L C51
2010-08-05 11:59:47 S 15 06 20.51 -13 10 30.7 L C51
2010-08-05 15:10:19 S 15 06 33.33 -13 10 51.2 L C51
2010-08-06 00:41:52 S 15 07 12.08 -13 11 59.4 L C51
2017-03-27 12:15:33 C 13 56 48.845 -18 04 16.88 L F51
2017-03-27 12:29:56 C 13 56 48.356 -18 04 14.71 L F51
2017-03-27 12:44:21 C 13 56 47.877 -18 04 12.27 L F51
2017-03-27 12:58:45 C 13 56 47.385 -18 04 10.15 L F51
2017-04-19 07:45:46 C 13 33 44.33 -15 46 23.9 q G96
2017-04-19 07:55:11 C 13 33 43.91 -15 46 20.6 q G96
2017-04-19 08:09:47 C 13 33 43.17 -15 46 15.6 q G96
2017-04-19 08:15:55 C 13 33 42.88 -15 46 13.7 q G96
2017-04-27 08:45:01 C 13 24 24.397 -14 38 22.59 L F51
2017-04-27 08:59:54 C 13 24 23.655 -14 38 17.21 L F51
2017-04-27 09:14:48 C 13 24 22.919 -14 38 11.73 L F51
2017-04-27 09:29:39 C 13 24 22.184 -14 38 06.21 L F51
2021-06-06 11:01:34 C 22 35 56.15 -01 14 00.7 V I52
2021-06-06 11:02:39 C 22 35 56.28 -01 13 59.4 V I52
2021-06-06 11:03:45 C 22 35 56.45 -01 13 58.0 V I52
2021-06-09 10:12:26 C 22 46 09.37 +00 12 25.5 V G96