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
2018-11-06 18:44:40 s 1 +12097.512 0 +366021.67 3930.0 C57
2018-11-07 14:44:40 S 03 29 06.494 -05 18 38.70 V C57
2018-11-07 14:44:40 s 1 -30520.242 0 +377463.24 7070.0 C57
2018-11-07 16:44:40 S 03 28 58.910 -05 20 13.20 V C57
2018-11-07 16:44:40 s 1 -34732.699 0 +377820.02 450.0 C57
2018-11-08 12:17:54 C 03 28 21.44 -05 34 34.9 U T05
2018-11-08 12:32:20 C 03 28 20.42 -05 34 47.6 U T05
2018-11-08 12:46:47 C 03 28 19.57 -05 34 58.2 U T05
2018-11-08 13:01:27 C 03 28 18.69 -05 35 09.9 U T05
2018-11-09 07:19:56 C 03 27 13.11 -05 50 02.1 V 703
2018-11-09 07:27:29 C 03 27 12.69 -05 50 08.4 V 703
2018-11-09 07:35:02 C 03 27 12.21 -05 50 14.5 V 703
2018-11-09 07:42:34 C 03 27 11.74 -05 50 21.1 V 703
2018-11-09 16:44:40 S 03 25 59.201 -05 57 16.13 V C57
2018-11-09 16:44:40 s 1 -127803.20 7 +344601.61 2610.0 C57
2018-11-09 17:14:40 S 03 25 57.223 -05 57 31.00 V C57
2018-11-09 17:14:40 s 1 -128650.92 8 +343833.31 2450.0 C57
2018-11-09 17:44:40 S 03 25 55.118 -05 57 55.01 V C57
2018-11-09 17:44:40 s 1 -129495.23 9 +343056.18 3900.0 C57
2018-11-09 19:44:40 S 03 25 48.259 -05 59 24.54 V C57
2018-11-09 19:44:40 s 1 -132837.75 4 +339859.21 2210.0 C57
2018-11-09 20:44:40 S 03 25 44.424 -06 00 09.07 V C57
2018-11-09 20:44:40 s 1 -134487.72 1 +338207.54 6330.0 C57
2018-11-09 22:14:40 S 03 25 38.486 -06 01 25.36 V C57
2018-11-09 22:14:40 s 1 -136935.31 9 +335663.36 9570.0 C57
2018-11-12 07:56:11 C 03 22 39.70 -06 47 58.7 V 703
2018-11-12 08:03:42 C 03 22 39.24 -06 48 05.7 V 703
2018-11-12 08:11:13 C 03 22 38.62 -06 48 10.8 V 703
2018-11-12 08:18:44 C 03 22 38.18 -06 48 17.1 V 703
2018-11-13 07:53:03 C 03 21 05.98 -07 06 42.0 V G96
2018-11-13 08:01:43 C 03 21 05.40 -07 06 48.7 V G96
2018-11-13 08:10:23 C 03 21 04.81 -07 06 55.2 V G96
2018-11-13 08:19:03 C 03 21 04.20 -07 07 02.1 V G96
2018-11-15 06:40:35 C 03 17 58.44 -07 42 31.7 V 703
2018-11-15 06:56:06 C 03 17 57.34 -07 42 44.1 V 703
2018-11-15 07:04:16 C 03 17 56.71 -07 42 50.9 V 703
2018-11-28 07:39:46 C 02 55 46.39 -11 04 34.0 V 703
2018-11-28 07:55:18 C 02 55 45.20 -11 04 39.6 V 703
2018-11-28 08:03:05 C 02 55 44.59 -11 04 44.7 V 703
2018-11-28 10:18:03 C 02 55 35.22 -11 05 51.8 U T05
2018-11-28 10:32:29 C 02 55 34.13 -11 05 58.3 U T05
2018-11-28 10:47:02 C 02 55 33.05 -11 06 05.9 U T05
2018-11-28 11:01:33 C 02 55 31.99 -11 06 13.4 U T05
2018-12-01 10:35:33 C 02 50 32.04 -11 39 54.5 U T05
2018-12-01 10:51:11 C 02 50 30.90 -11 40 01.0 U T05
2018-12-01 11:07:46 C 02 50 29.74 -11 40 07.9 U T05
2018-12-01 11:23:08 C 02 50 28.68 -11 40 14.6 U T05
2018-12-02 10:06:38 C 02 48 55.72 -11 49 47.2 U T05
2018-12-02 10:12:06 C 02 48 55.32 -11 49 49.2 U T05
2018-12-02 10:19:46 C 02 48 54.82 -11 49 53.4 U T05