244670 (2003 KN18)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4857251675 ± 1.36e-08
Semi-major axis (a)1.7490543266 AU ± 2.24e-09
Inclination (i)11.89931937° ± 1.80e-06
Long. of Asc. Node (Ω)168.65606268° ± 1.59e-05
Arg. of Perihelion (ω)354.76680595° ± 1.54e-05
Mean Anomaly (M)316.01781401° ± 2.17e-06
Mean Motion (n)0.4260958727°/day ± 8.19e-10
Perihelion dist (q)0.89949462 AU ± 2.38e-08
Aphelion dist (Q)2.59861403 AU ± 2.40e-08
Orbital Period2.31315614 yr ± 4.44e-09
Physical Parameters
H (abs. magnitude)18.15
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.300″
Uncertainty0
Orbit TypeApollo
MOID0.091658 AU
Observations Used718
Oppositions21
Arc Total1989-2026
First Observation Used1989-05-03
Last Observation Used2026-01-11
Observations (795)
Date Type RA Dec Mag Band Observatory
2019-05-15 08:35:02 C 12 12 01.06 +49 24 47.7 V 703
2019-05-15 08:43:24 C 12 12 04.51 +49 24 28.2 V 703
2019-05-15 09:27:21 C 12 12 23.588 +49 23 05.23 U F51
2019-05-15 09:59:17 C 12 12 36.435 +49 21 51.41 U F51
2019-05-15 10:16:01 C 12 12 43.166 +49 21 12.63 U F51
2019-05-17 06:36:47 C 12 30 05.04 +47 38 24.5 V T05
2019-05-17 06:48:30 C 12 30 09.22 +47 37 57.1 V T05
2019-05-17 06:52:44 C 12 30 10.72 +47 37 46.7 V T05
2019-05-17 06:59:34 C 12 30 13.17 +47 37 30.6 V T05
2019-05-17 07:47:11 C 12 30 30.03 +47 35 36.7 V T05
2019-05-17 07:54:46 C 12 30 32.74 +47 35 18.3 V T05
2019-05-17 08:04:21 C 12 30 36.12 +47 34 55.8 V T05
2019-05-19 20:52:28 S 12 51 19.76 +45 06 17.2 L C51
2019-05-20 00:00:58 S 12 52 18.86 +44 58 28.8 L C51
2019-05-20 03:09:17 S 12 53 17.44 +44 50 40.6 L C51
2019-05-20 06:17:36 S 12 54 15.56 +44 42 52.5 L C51
2019-05-20 07:51:51 S 12 54 44.46 +44 38 57.7 L C51
2019-05-20 09:26:06 S 12 55 13.27 +44 35 03.0 L C51
2019-05-20 11:00:10 S 12 55 41.88 +44 31 09.0 L C51
2019-05-20 12:34:25 S 12 56 10.45 +44 27 13.3 L C51
2019-05-20 14:08:40 S 12 56 38.88 +44 23 18.6 L C51
2019-05-20 15:42:44 S 12 57 07.20 +44 19 24.8 L C51
2019-05-20 17:16:59 S 12 57 35.44 +44 15 29.1 L C51
2019-05-20 20:25:18 S 12 58 31.53 +44 07 38.7 L C51
2019-05-20 20:25:29 S 12 58 31.56 +44 07 38.0 L C51
2019-05-20 22:40:11 C 12 59 09.77 +44 01 59.9 V Z80
2019-05-20 22:45:11 C 12 59 11.18 +44 01 47.1 V Z80
2019-05-20 22:50:10 C 12 59 12.60 +44 01 34.9 V Z80
2019-05-20 22:55:10 C 12 59 14.07 +44 01 22.3 V Z80
2019-05-20 23:33:48 S 12 59 27.21 +43 59 47.9 L C51
2019-05-21 06:43:04 C 13 01 32.03 +43 42 09.1 V T05
2019-05-21 06:44:08 C 13 01 32.29 +43 42 06.8 V T08
2019-05-21 06:44:27 C 13 01 32.39 +43 42 05.9 V T05
2019-05-21 06:45:27 C 13 01 32.67 +43 42 04.2 V T08
2019-05-21 06:45:49 C 13 01 32.79 +43 42 02.3 V T05
2019-05-21 06:46:46 C 13 01 33.07 +43 42 00.8 V T08
2019-05-21 06:59:13 C 13 01 36.47 +43 41 30.0 V T08
2019-05-21 07:00:33 C 13 01 36.83 +43 41 26.8 V T08
2019-05-21 07:24:41 C 13 01 43.58 +43 40 26.5 V T08
2019-05-21 07:28:32 C 13 01 44.56 +43 40 16.8 V T08
2019-05-21 07:29:12 C 13 01 44.77 +43 40 14.2 V T08
2019-05-21 07:29:45 C 13 01 44.98 +43 40 12.4 V T05
2019-05-23 06:12:04 C 13 14 27.37 +41 43 07.0 V 703
2019-05-23 06:19:42 C 13 14 29.28 +41 42 48.3 V 703
2019-05-23 06:27:23 C 13 14 31.19 +41 42 28.7 V 703
2019-05-25 11:29:00 C 13 27 18.214 +39 30 31.15 U F51
2019-05-25 11:42:05 C 13 27 21.130 +39 29 57.85 U F51
2019-05-27 05:48:20 C 13 36 28.22 +37 46 46.2 V G96
2019-05-27 05:55:47 C 13 36 29.70 +37 46 28.0 V G96
2019-05-27 06:03:16 C 13 36 31.18 +37 46 09.7 V G96