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
2003-07-02 17:08:10 C 19 52 14.69 +00 59 11.8 c 413
2003-07-02 17:11:50 C 19 52 14.40 +00 59 10.8 c 413
2003-07-02 17:15:30 C 19 52 14.16 +00 59 09.7 c 413
2003-07-03 18:05:35 C 19 50 34.58 +00 50 34.4 c 413
2003-07-03 18:15:35 C 19 50 33.90 +00 50 31.0 c 413
2003-07-03 18:18:55 C 19 50 33.67 +00 50 29.9 c 413
2003-07-03 18:22:14 C 19 50 33.43 +00 50 28.4 c 413
2003-07-18 14:37:46 C 19 27 07.97 -01 45 10.8 c 413
2003-07-18 14:47:45 C 19 27 07.32 -01 45 15.8 c 413
2004-09-11 11:56:56 C 02 21 38.04 +04 56 47.5 d 291
2004-09-11 12:03:37 C 02 21 37.95 +04 56 44.6 d 291
2004-09-11 12:09:18 C 02 21 37.88 +04 56 42.4 d 291
2004-09-12 08:36:06 C 02 21 26.07 +04 48 44.0 d 291
2004-09-12 08:42:37 C 02 21 25.97 +04 48 41.2 d 291
2004-09-12 08:48:30 C 02 21 25.95 +04 48 38.2 d 291
2004-09-24 06:11:08 C 02 15 55.27 +02 38 29.6 d 291
2004-09-24 06:20:10 C 02 15 55.05 +02 38 25.0 d 291
2004-09-24 06:29:26 C 02 15 54.75 +02 38 19.9 d 291
2004-10-06 09:22:46 C 02 05 06.12 -00 05 28.7 d 291
2004-10-06 09:28:37 C 02 05 05.84 -00 05 32.5 d 291
2004-10-06 09:34:31 C 02 05 05.55 -00 05 35.7 d 291
2004-10-08 09:00:51 C 02 02 52.181 -00 34 24.28 e 645
2004-10-08 09:05:51 C 02 02 51.932 -00 34 27.38 21.38 e 645
2004-10-10 07:58:46 C 02 00 33.507 -01 03 15.24 e 645
2004-10-10 08:03:46 C 02 00 33.244 -01 03 18.32 21.58 e 645
2004-10-23 05:02:38 C 01 43 16.71 -04 12 41.4 d 291
2004-10-23 05:11:57 C 01 43 16.15 -04 12 47.3 d 291
2004-10-23 05:20:47 C 01 43 15.59 -04 12 52.3 d 291
2005-02-09 01:05:11 C 01 56 06.36 -00 14 12.3 o 809
2005-02-09 01:14:21 C 01 56 07.02 -00 14 06.7 o 809
2005-02-09 01:23:26 C 01 56 07.70 -00 14 01.8 o 809
2009-10-19 11:43:47 C 09 06 42.45 +03 25 03.7 o 291
2009-10-19 11:57:22 C 09 06 44.87 +03 24 53.5 o 291
2010-07-15 06:47:38 C 20 25 44.62 -01 37 40.6 o H21
2010-07-15 07:03:48 C 20 25 43.59 -01 37 46.8 o H21
2010-07-15 07:19:46 C 20 25 42.57 -01 37 53.0 o H21
2010-08-04 10:05:50 C 19 57 01.657 -05 14 14.69 L F51
2010-08-04 10:22:03 C 19 57 00.760 -05 14 22.76 L F51
2011-09-24 11:45:55 C 03 01 00.604 +04 45 10.58 L F51
2011-09-24 12:06:52 C 03 01 00.405 +04 45 00.81 L F51
2011-09-24 12:27:49 C 03 01 00.210 +04 44 50.81 L F51
2011-09-24 12:48:48 C 03 00 59.993 +04 44 41.02 L F51
2011-10-17 12:12:29 C 02 46 11.909 -00 39 20.83 L F51
2011-10-17 12:29:51 C 02 46 11.067 -00 39 32.77 L F51
2012-05-09 06:18:59 C 07 47 22.631 +28 15 34.56 L F51
2012-05-09 06:34:51 C 07 47 26.707 +28 15 41.66 L F51
2012-05-09 06:42:51 C 07 47 28.758 +28 15 45.44 L F51
2012-05-17 04:03:12 C 08 38 31.70 +29 14 58.3 r 703
2012-05-17 04:11:52 C 08 38 34.11 +29 15 00.6 r 703
2012-05-17 04:20:40 C 08 38 36.49 +29 15 00.3 r 703