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
2020-10-18 11:08:50 C 00 08 10.775 -06 58 30.87 U F51
2020-11-16 06:03:40 C 23 47 51.931 -09 47 05.31 U F51
2020-11-16 06:20:28 C 23 47 51.742 -09 47 06.60 U F51
2020-11-16 06:37:18 C 23 47 51.538 -09 47 07.68 U F51
2022-08-07 07:13:40 C 23 20 24.48 -00 19 57.2 u H21
2022-08-07 07:16:48 C 23 20 24.39 -00 19 58.2 u H21
2022-08-07 07:21:11 C 23 20 24.24 -00 19 59.7 u H21
2022-08-17 07:19:03 C 23 11 31.74 -01 42 31.9 u H21
2022-08-17 07:25:19 C 23 11 31.49 -01 42 34.4 u H21
2022-08-17 07:33:15 C 23 11 31.13 -01 42 37.1 u H21
2022-08-18 07:24:50 C 23 10 31.04 -01 51 51.8 u H21
2022-08-18 07:31:05 C 23 10 30.75 -01 51 54.3 u H21
2022-08-18 07:37:21 C 23 10 30.48 -01 51 56.7 u H21
2022-08-19 12:37:09 C 23 09 15.779 -02 03 21.96 U F51
2022-08-19 13:11:01 C 23 09 14.249 -02 03 35.38 U F51
2022-08-19 13:27:56 C 23 09 13.498 -02 03 42.04 U F51
2022-08-27 11:38:21 C 23 00 29.095 -03 23 56.05 U F51
2022-08-27 11:56:33 C 23 00 28.179 -03 24 04.27 U F51
2022-08-27 12:14:52 C 23 00 27.281 -03 24 12.19 U F51
2022-09-01 08:52:22 C 22 54 45.475 -04 16 34.09 U F52
2022-09-01 09:08:57 C 22 54 44.644 -04 16 41.66 U F52
2022-09-01 09:25:30 C 22 54 43.793 -04 16 49.19 U F52
2022-09-05 16:34:21 C 22 49 36.42 -05 04 02.8 V D29
2022-09-05 16:59:48 C 22 49 35.14 -05 04 15.3 V D29
2022-09-19 07:43:06 C 22 34 01.140 -07 30 01.04 U F52
2022-09-19 07:58:46 C 22 34 00.430 -07 30 07.73 U F52
2022-09-19 08:14:26 C 22 33 59.719 -07 30 14.36 U F52
2022-09-27 08:29:00 C 22 26 08.062 -08 46 48.05 U F51
2022-09-27 08:47:49 C 22 26 07.326 -08 46 55.02 U F51
2022-09-27 09:25:31 C 22 26 05.888 -08 47 08.93 U F51
2024-06-15 13:25:40 C 21 55 06.047 -00 13 59.91 X F52
2024-06-15 13:43:53 C 21 55 05.943 -00 13 58.98 X F52
2024-06-15 14:02:07 C 21 55 05.814 -00 13 58.03 X F52
2024-07-29 14:57:00 C 21 19 29.75 -03 21 02.9 V D29
2024-07-29 15:48:35 C 21 19 26.82 -03 21 22.8 V D29
2024-07-30 15:54:23 C 21 18 07.03 -03 30 58.7 V D29
2024-07-30 16:23:43 C 21 18 05.40 -03 31 10.4 V D29
2024-07-30 16:57:07 C 21 18 03.35 -03 31 24.0 V D29
2024-07-31 10:55:07 C 21 17 03.765 -03 38 39.06 X F51
2024-07-31 11:13:27 C 21 17 02.709 -03 38 46.16 X F51
2024-07-31 11:31:48 C 21 17 01.661 -03 38 53.81 X F51
2024-07-31 11:50:06 C 21 17 00.599 -03 39 01.22 X F51
2024-07-31 17:45:31 C 21 16 40.84 -03 41 27.5 V D29
2024-07-31 18:05:47 C 21 16 39.74 -03 41 35.0 V D29
2024-08-13 11:01:28 C 20 59 49.335 -05 54 56.65 X F51
2024-08-13 11:19:17 C 20 59 48.365 -05 55 04.74 X F51
2024-08-13 11:54:45 C 20 59 46.433 -05 55 20.67 X F51
2024-08-14 09:06:21 C 20 58 39.476 -06 04 58.57 X F51
2024-08-14 09:20:34 C 20 58 38.702 -06 05 04.98 X F51
2024-08-14 09:35:09 C 20 58 37.892 -06 05 11.72 X F51