IAA RAS IAA Minor Planet Database

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
2019-04-27 07:46:22 C 08 04 11.81 +52 06 32.8 – V T05
2019-04-27 07:52:27 C 08 04 15.18 +52 06 44.6 – V T05
2019-04-27 08:06:03 C 08 04 22.53 +52 07 10.1 – V T05
2019-04-29 22:23:01 C 08 40 42.09 +53 53 10.4 – V G40
2019-04-29 22:43:33 C 08 40 54.36 +53 53 36.3 – V G40
2019-05-01 07:45:39 C 09 01 21.64 +54 32 29.8 – V T05
2019-05-01 08:04:13 C 09 01 33.06 +54 32 46.2 – V T05
2019-05-01 08:09:35 C 09 01 36.40 +54 32 50.9 – V T05
2019-05-01 08:16:51 C 09 01 40.87 +54 32 57.0 – V T05
2019-05-01 08:18:50 C 09 01 42.12 +54 32 58.7 – V T05
2019-05-01 08:31:01 C 09 01 49.62 +54 33 09.4 – V T05
2019-05-01 08:43:35 C 09 01 57.44 +54 33 20.4 – V T05
2019-05-01 08:57:06 C 09 02 05.80 +54 33 31.7 – V T05
2019-05-02 04:54:06 C 09 14 44.38 +54 50 15.8 – V 703
2019-05-02 05:01:35 C 09 14 49.06 +54 50 20.5 – V 703
2019-05-02 05:09:04 C 09 14 53.81 +54 50 24.5 – V 703
2019-05-02 05:16:33 C 09 14 58.46 +54 50 29.9 – V 703
2019-05-05 22:11:23 n 10 11 44.82 +55 03 13.6 – V Z43
2019-05-05 22:20:17 n 10 11 50.31 +55 03 09.1 – V Z43
2019-05-06 05:23:43 C 10 16 15.28 +55 00 05.1 – V 703
2019-05-06 05:31:27 C 10 16 20.04 +55 00 00.6 – V 703
2019-05-06 05:39:11 C 10 16 24.78 +54 59 55.8 – V 703
2019-05-06 05:46:55 C 10 16 29.56 +54 59 51.8 – V 703
2019-05-07 08:14:21 C 10 32 49.06 +54 42 34.3 – V T08
2019-05-07 08:26:31 C 10 32 56.21 +54 42 23.3 – V T08
2019-05-07 08:34:32 C 10 33 01.03 +54 42 16.3 – V T08
2019-05-07 08:38:38 C 10 33 03.44 +54 42 12.9 – V T08
2019-05-07 08:50:51 C 10 33 10.71 +54 42 01.6 – V T08
2019-05-07 08:52:51 C 10 33 11.95 +54 42 00.0 – V T08
2019-05-07 09:15:42 C 10 33 25.52 +54 41 39.1 – V T08
2019-05-07 09:30:17 C 10 33 34.23 +54 41 25.9 – V T08
2019-05-09 02:02:06 C 10 57 33.28 +53 59 08.6 – q I15
2019-05-09 02:05:20 C 10 57 35.14 +53 59 04.5 – q I15
2019-05-09 02:08:33 C 10 57 36.94 +53 59 00.5 – q I15
2019-05-09 23:49:32 C 11 09 48.09 +53 29 29.5 – V Z80
2019-05-09 23:49:43 C 11 09 48.20 +53 29 29.3 – V Z80
2019-05-09 23:53:28 C 11 09 50.27 +53 29 23.8 – V Z80
2019-05-09 23:53:47 C 11 09 50.44 +53 29 23.4 – V Z80
2019-05-09 23:57:23 C 11 09 52.37 +53 29 18.3 – V Z80
2019-05-09 23:57:58 C 11 09 52.67 +53 29 17.9 – V Z80
2019-05-10 00:01:58 C 11 09 54.75 +53 29 12.3 – V Z80
2019-05-11 07:42:13 C 11 26 53.36 +52 39 28.5 – V T08
2019-05-11 07:46:12 C 11 26 55.33 +52 39 21.6 – V T08
2019-05-11 07:55:37 C 11 27 00.08 +52 39 05.1 – V T08
2019-05-11 08:13:32 C 11 27 09.11 +52 38 33.5 – V T08
2019-05-13 06:26:28 C 11 49 55.59 +51 11 58.6 – V 703
2019-05-13 06:34:13 C 11 49 59.07 +51 11 43.7 – V 703
2019-05-13 06:49:45 C 11 50 06.21 +51 11 11.5 – V 703
2019-05-15 08:18:17 C 12 11 54.23 +49 25 26.5 – V 703
2019-05-15 08:26:39 C 12 11 57.76 +49 25 07.8 – V 703