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
2019-06-22 06:36:57 C 14 55 25.81 +17 02 12.2 V 703
2019-06-22 06:44:34 C 14 55 26.45 +17 02 00.1 V 703
2019-06-22 06:52:11 C 14 55 27.08 +17 01 48.0 V 703
2019-06-25 06:36:40 C 15 01 21.29 +15 12 16.4 V 703
2019-06-25 06:44:12 C 15 01 21.86 +15 12 04.4 V 703
2019-06-25 06:51:44 C 15 01 22.39 +15 11 54.6 V 703
2019-06-25 06:59:16 C 15 01 23.00 +15 11 42.9 V 703
2019-06-27 06:08:15 C 15 05 07.06 +14 02 47.4 V G96
2019-06-27 06:15:35 C 15 05 07.58 +14 02 37.2 V G96
2019-06-27 06:22:58 C 15 05 08.17 +14 02 26.3 V G96
2019-06-27 06:30:21 C 15 05 08.73 +14 02 15.7 V G96
2019-06-29 06:42:27 C 15 08 52.15 +12 54 15.4 V T05
2019-06-29 06:47:03 C 15 08 52.46 +12 54 08.4 V T05
2019-06-29 06:55:03 C 15 08 53.04 +12 53 57.6 V T05
2019-06-29 07:09:42 C 15 08 54.08 +12 53 37.1 V T05
2019-06-30 08:59:03 C 15 10 50.879 +12 18 06.46 U F52
2019-06-30 09:30:30 C 15 10 53.136 +12 17 23.40 U F52
2019-07-01 08:23:42 C 15 12 36.06 +11 46 28.2 V T08
2019-07-01 08:28:41 C 15 12 36.43 +11 46 22.2 V T08
2019-07-01 08:37:39 C 15 12 37.03 +11 46 10.5 V T08
2019-07-01 08:53:06 C 15 12 38.13 +11 45 49.4 V T08
2019-07-08 04:21:35 C 15 24 28.03 +08 18 44.5 U I41
2019-07-08 04:38:28 C 15 24 29.17 +08 18 24.3 U I41
2019-07-10 04:55:06 C 15 27 52.57 +07 21 36.9 U I41
2019-07-10 05:22:10 C 15 27 54.36 +07 21 05.8 U I41
2019-07-24 06:33:29 C 15 50 55.276 +01 32 30.15 U F52
2019-07-24 06:50:09 C 15 50 56.367 +01 32 14.65 U F52
2019-07-24 07:06:51 C 15 50 57.444 +01 31 59.27 U F52
2019-07-24 07:23:32 C 15 50 58.516 +01 31 44.09 U F52
2019-07-25 06:35:56 C 15 52 32.383 +01 10 30.73 U F52
2019-07-25 06:52:37 C 15 52 33.460 +01 10 15.57 U F52
2019-07-25 07:09:16 C 15 52 34.539 +01 10 00.53 U F52
2019-07-25 07:25:57 C 15 52 35.616 +01 09 45.36 U F52
2019-08-04 06:26:15 C 16 08 42.502 -02 10 55.14 U F51
2019-08-04 06:43:48 C 16 08 43.653 -02 11 08.70 U F51
2019-08-04 07:01:21 C 16 08 44.798 -02 11 22.32 U F51
2020-09-09 12:06:59 C 00 53 20.548 +00 40 50.14 U F51
2020-09-09 12:23:38 C 00 53 19.881 +00 40 42.92 U F51
2020-09-09 12:40:15 C 00 53 19.257 +00 40 35.21 U F51
2020-09-09 12:56:53 C 00 53 18.608 +00 40 27.71 U F51
2020-09-10 09:12:08 C 00 52 32.98 +00 31 11.6 V G96
2020-09-10 09:19:36 C 00 52 32.71 +00 31 08.1 V G96
2020-09-10 09:27:06 C 00 52 32.48 +00 31 04.5 V G96
2020-09-10 09:34:35 C 00 52 32.12 +00 31 01.2 V G96
2020-09-12 12:09:53 C 00 50 33.246 +00 07 23.37 U F51
2020-09-12 12:30:53 C 00 50 32.374 +00 07 13.54 U F51
2020-09-12 12:51:52 C 00 50 31.479 +00 07 03.61 U F51
2020-09-12 13:12:50 C 00 50 30.607 +00 06 53.66 U F51
2020-10-18 10:06:11 C 00 08 13.763 -06 58 05.37 U F51
2020-10-18 10:48:09 C 00 08 11.771 -06 58 22.50 U F51