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
1989-05-03 09:15:00 18 27 58.21 +28 12 08.7 c 261
1989-05-03 10:45:59 18 27 48.02 +28 11 32.5 c 261
1989-05-08 08:30:00 18 15 53.63 +27 18 35.1 c 261
1989-05-08 10:00:00 18 15 43.91 +27 17 51.3 c 261
2003-05-28 09:01:55 C 20 30 48.70 +01 54 47.1 c 691
2003-05-28 09:39:41 C 20 30 48.06 +01 54 54.2 c 691
2003-05-28 10:17:32 C 20 30 47.39 +01 55 01.5 c 691
2003-05-29 08:39:09 C 20 30 25.86 +01 59 05.6 d 291
2003-05-29 08:44:43 C 20 30 25.73 +01 59 07.7 d 291
2003-05-29 08:50:48 C 20 30 25.61 +01 59 07.7 d 291
2003-05-29 09:11:18 C 20 30 25.19 +01 59 11.0 d 291
2003-05-29 09:16:52 C 20 30 25.15 +01 59 12.0 d 291
2003-05-29 09:22:12 C 20 30 24.96 +01 59 13.0 d 291
2003-05-29 10:11:34 C 20 30 24.08 +01 59 22.5 c 926
2003-05-29 10:21:37 C 20 30 23.94 +01 59 23.8 c 926
2003-05-29 10:31:07 C 20 30 23.70 +01 59 25.3 c 926
2003-05-30 09:42:11 C 20 29 58.40 +02 03 20.0 c 711
2003-05-30 10:00:44 C 20 29 58.10 +02 03 22.6 c 711
2003-06-01 04:41:04 C 20 29 04.42 +02 09 54.5 c 950
2003-06-01 04:44:31 C 20 29 04.35 +02 09 54.9 c 950
2003-06-01 04:47:53 C 20 29 04.26 +02 09 55.4 c 950
2003-06-01 04:51:17 C 20 29 04.17 +02 09 56.0 c 950
2003-06-01 08:43:12 C 20 28 59.20 +02 10 27.6 d 291
2003-06-01 08:50:17 C 20 28 59.04 +02 10 28.8 d 291
2003-06-01 08:59:02 C 20 28 58.81 +02 10 29.8 d 291
2003-06-01 09:45:35 C 20 28 57.70 +02 10 36.9 c 926
2003-06-01 09:56:31 C 20 28 57.42 +02 10 38.0 c 926
2003-06-01 10:05:18 C 20 28 57.17 +02 10 39.7 c 926
2003-06-01 23:44:24 C 20 28 38.01 +02 12 26.5 c 246
2003-06-01 23:50:34 C 20 28 37.86 +02 12 28.9 c 246
2003-06-01 23:55:17 C 20 28 37.79 +02 12 30.0 c 246
2003-06-02 04:37:59 C 20 28 30.52 +02 13 07.9 c 950
2003-06-02 04:39:51 C 20 28 30.47 +02 13 08.0 c 950
2003-06-02 04:41:43 C 20 28 30.43 +02 13 08.3 c 950
2003-06-02 04:43:35 C 20 28 30.36 +02 13 08.5 c 950
2003-06-02 04:46:54 C 20 28 30.29 +02 13 09.0 c 950
2003-06-02 04:48:45 C 20 28 30.23 +02 13 09.2 c 950
2003-06-02 04:50:40 C 20 28 30.18 +02 13 09.4 c 950
2003-06-02 04:52:32 C 20 28 30.12 +02 13 09.7 c 950
2003-06-02 08:40:05 C 20 28 24.83 +02 13 37.9 d 291
2003-06-02 08:47:17 C 20 28 24.62 +02 13 38.7 d 291
2003-06-02 09:06:35 C 20 28 24.11 +02 13 41.2 d 291
2003-06-05 08:54:30 C 20 26 24.32 +02 21 15.1 d 291
2003-06-05 08:59:53 C 20 26 24.14 +02 21 15.4 d 291
2003-06-05 09:05:41 C 20 26 23.97 +02 21 15.9 d 291
2003-06-08 08:48:17 C 20 23 59.92 +02 25 47.7 d 291
2003-06-08 08:54:36 C 20 23 59.75 +02 25 47.8 d 291
2003-06-08 09:12:22 C 20 23 59.00 +02 25 48.6 d 291
2003-06-24 09:50:17 C 20 05 00.38 +01 53 59.3 o 696
2003-06-24 09:57:23 C 20 04 59.93 +01 53 57.7 o 696