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
2012-06-08 03:57:15 C 11 04 26.14 +25 27 57.7 19.6 c 704
2012-06-08 04:12:07 C 11 04 29.75 +25 27 45.3 19.9 c 704
2012-06-08 04:27:02 C 11 04 33.68 +25 27 30.3 19.4 c 704
2012-06-08 04:41:57 C 11 04 37.47 +25 27 16.5 19.1 c 704
2015-08-18 06:25:42 C 22 46 07.44 -02 53 50.6 u H21
2015-08-18 06:36:29 C 22 46 06.91 -02 53 55.1 u H21
2015-08-18 06:50:47 C 22 46 06.23 -02 54 00.7 u H21
2017-06-28 07:26:44 C 21 23 37.65 -00 12 49.1 u H21
2017-06-28 07:41:50 C 21 23 37.13 -00 12 50.5 u H21
2017-06-28 08:02:47 C 21 23 36.40 -00 12 53.3 u H21
2017-07-04 07:24:13 C 21 18 10.52 -00 34 11.6 u H21
2017-07-04 07:43:51 C 21 18 09.66 -00 34 15.4 u H21
2017-07-04 07:52:20 C 21 18 09.32 -00 34 16.9 u H21
2017-07-19 16:39:56 C 20 59 40.63 -02 15 08.3 q D29
2017-07-19 17:20:40 C 20 59 38.28 -02 15 23.9 q D29
2018-09-11 09:15:58 C 03 40 45.88 +08 26 26.9 G96
2018-09-11 09:23:26 C 03 40 46.06 +08 26 25.4 G96
2018-09-11 09:30:53 C 03 40 46.31 +08 26 23.0 G96
2018-09-11 09:38:19 C 03 40 46.51 +08 26 20.3 G96
2018-10-18 10:58:39 C 03 48 50.08 +01 04 52.0 V G96
2018-10-18 11:06:04 C 03 48 49.94 +01 04 47.1 V G96
2018-10-18 11:13:30 C 03 48 49.74 +01 04 41.3 V G96
2018-10-18 11:20:55 C 03 48 49.59 +01 04 36.0 V G96
2018-10-29 08:48:21 C 03 40 44.53 -02 15 36.2 V 703
2018-10-29 08:56:00 C 03 40 44.26 -02 15 42.0 V 703
2018-10-29 09:03:40 C 03 40 43.89 -02 15 48.1 V 703
2018-10-29 09:11:19 C 03 40 43.44 -02 15 54.9 V 703
2018-10-29 16:45:20 C 03 40 24.70 -02 22 00.5 q D29
2018-10-29 17:26:04 C 03 40 22.90 -02 22 33.1 q D29
2018-11-03 07:59:21 C 03 35 14.10 -03 52 46.9 V G96
2018-11-03 08:06:47 C 03 35 13.66 -03 52 53.3 V G96
2018-11-03 08:14:13 C 03 35 13.26 -03 52 59.7 V G96
2018-11-03 08:21:40 C 03 35 12.88 -03 53 05.5 V G96
2018-11-03 18:44:40 S 03 34 41.712 -04 05 19.28 V C57
2018-11-03 18:44:40 s 1 +144350.24 7 +191358.31 0.171 C57
2018-11-03 19:14:40 S 03 34 39.456 -04 05 37.79 V C57
2018-11-03 19:14:40 s 1 +143796.55 1 +193415.60 0.23 C57
2018-11-05 12:18:28 C 03 32 28.153 -04 35 44.57 U F52
2018-11-05 12:35:56 C 03 32 27.148 -04 35 58.84 U F52
2018-11-05 12:53:35 C 03 32 26.133 -04 36 13.31 U F52
2018-11-05 13:10:56 C 03 32 25.137 -04 36 27.48 U F52
2018-11-06 02:14:40 S 03 31 21.142 -04 50 00.64 V C57
2018-11-06 02:14:40 s 1 +47117.936 0 +345427.02 4450.0 C57
2018-11-06 16:44:40 S 03 30 27.504 -05 01 32.02 V C57
2018-11-06 16:44:40 s 1 +16372.918 0 +364074.42 300.0 C57
2018-11-06 17:14:40 S 03 30 26.093 -05 01 50.88 V C57
2018-11-06 17:14:40 s 1 +15304.400 0 +364575.10 9650.0 C57
2018-11-06 18:14:40 S 03 30 22.495 -05 02 39.08 V C57
2018-11-06 18:14:40 s 1 +13166.653 0 +365548.53 6560.0 C57
2018-11-06 18:44:40 S 03 30 20.705 -05 03 02.05 V C57