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
2018-12-02 10:25:16 C 02 48 54.41 -11 49 54.7 U T05
2018-12-02 10:32:58 C 02 48 53.83 -11 49 57.9 U T05
2018-12-02 10:38:17 C 02 48 53.46 -11 50 00.2 U T05
2018-12-02 10:45:52 C 02 48 52.95 -11 50 03.9 U T05
2018-12-02 10:51:23 C 02 48 52.60 -11 50 05.5 U T05
2018-12-04 05:14:53 C 02 46 03.03 -12 06 25.4 U I41
2018-12-04 05:16:11 C 02 46 02.92 -12 06 25.6 U I41
2018-12-04 06:05:50 C 02 45 59.49 -12 06 43.2 U I41
2018-12-04 06:07:10 C 02 45 59.40 -12 06 43.8 U I41
2018-12-04 09:07:08 C 02 45 47.50 -12 07 46.7 U T08
2018-12-04 09:18:46 C 02 45 46.71 -12 07 49.6 U T08
2018-12-04 09:20:49 C 02 45 46.45 -12 07 50.2 U T08
2018-12-04 09:32:32 C 02 45 45.76 -12 07 53.8 U T08
2018-12-04 09:42:08 C 02 45 45.14 -12 07 59.7 U T08
2018-12-04 09:44:15 C 02 45 44.83 -12 07 59.2 U T08
2018-12-04 09:55:53 C 02 45 44.10 -12 08 02.1 U T08
2018-12-05 00:21:44 C 02 44 47.61 -12 13 04.5 c J04
2018-12-05 00:38:33 C 02 44 46.46 -12 13 10.5 c J04
2018-12-05 00:55:23 C 02 44 45.34 -12 13 15.6 c J04
2018-12-05 01:12:13 C 02 44 44.17 -12 13 21.9 c J04
2018-12-10 09:04:20 C 02 36 55.90 -12 47 29.5 U T05
2018-12-10 09:16:53 C 02 36 55.14 -12 47 30.8 U T05
2018-12-10 09:28:49 C 02 36 54.43 -12 47 35.4 U T05
2018-12-10 09:41:32 C 02 36 53.70 -12 47 36.3 U T05
2018-12-14 04:06:23 C 02 32 05.05 -13 00 46.9 V 703
2018-12-14 04:13:58 C 02 32 04.59 -13 00 47.6 V 703
2018-12-14 04:21:32 C 02 32 04.16 -13 00 48.6 V 703
2018-12-14 04:29:07 C 02 32 03.74 -13 00 49.1 V 703
2018-12-28 00:53:23 S 02 20 30.66 -12 37 39.8 L C51
2018-12-28 10:18:42 S 02 20 20.20 -12 35 33.6 L C51
2018-12-28 11:52:57 S 02 20 18.47 -12 35 13.2 L C51
2018-12-28 13:27:13 S 02 20 16.62 -12 34 50.3 L C51
2018-12-28 15:01:28 S 02 20 15.01 -12 34 29.8 L C51
2018-12-28 16:35:31 S 02 20 13.33 -12 34 06.2 L C51
2018-12-28 16:35:43 S 02 20 13.33 -12 34 06.5 L C51
2019-01-07 07:33:09 C 02 18 40.52 -11 20 07.2 V T05
2019-01-07 07:45:26 C 02 18 40.53 -11 20 02.1 V T05
2019-01-07 07:56:14 C 02 18 40.58 -11 19 58.2 V T05
2019-01-07 07:56:54 C 02 18 40.52 -11 19 57.3 V T05
2019-01-07 08:09:11 C 02 18 40.52 -11 19 52.2 V T05
2019-01-07 08:20:16 C 02 18 40.58 -11 19 47.6 V T05
2019-01-09 03:14:32 C 02 18 56.96 -11 01 57.3 V 703
2019-01-09 03:30:13 C 02 18 57.18 -11 01 50.7 V 703
2019-01-09 03:38:02 C 02 18 57.17 -11 01 47.7 V 703
2019-01-12 02:24:17 C 02 19 45.90 -10 29 48.9 V G96
2019-01-12 02:32:25 C 02 19 45.97 -10 29 44.2 V G96
2019-01-12 02:40:32 C 02 19 46.06 -10 29 40.1 V G96
2019-01-12 02:48:40 C 02 19 46.14 -10 29 36.4 V G96
2019-01-13 06:21:41 C 02 20 12.01 -10 16 17.6 V T08
2019-01-13 06:44:56 C 02 20 12.40 -10 16 07.5 V T08