IAA RAS IAA Minor Planet Database

2020 SK18

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4568115553 ± 7.35e-07
Semi-major axis (a)2.2587013493 AU ± 1.08e-08
Inclination (i)3.86348976° ± 1.68e-05
Long. of Asc. Node (Ω)69.13528202° ± 5.76e-05
Arg. of Perihelion (ω)288.63796095° ± 7.14e-05
Mean Anomaly (M)195.92562283° ± 3.55e-05
Mean Motion (n)0.2903514901°/day ± 2.09e-09
Perihelion dist (q)1.22690047 AU ± 1.66e-06
Aphelion dist (Q)3.29050223 AU ± 1.66e-06
Orbital Period3.39459695 yr ± 2.44e-08
Physical Parameters
H (abs. magnitude)20.45
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.236″
Uncertainty0
Orbit TypeAmor
MOID0.232015 AU
Observations Used56
Oppositions12
Arc Total2003-2020
First Observation Used2003-12-01
Last Observation Used2020-12-21
Observations (56)
Date Type RA Dec Mag Band Observatory
2003-12-01 08:36:24 C 04 33 14.33 +21 52 07.4 – d 291
2003-12-01 09:11:51 C 04 33 12.35 +21 52 12.1 – d 291
2003-12-01 09:56:34 C 04 33 09.84 +21 52 18.2 – d 291
2011-01-30 06:47:23 C 07 22 09.808 +26 59 50.58 – V F51
2011-01-30 06:50:20 C 07 22 09.679 +26 59 50.21 – V F51
2011-01-30 07:08:11 C 07 22 08.880 +26 59 51.57 – V F51
2011-01-30 07:11:04 C 07 22 08.730 +26 59 51.93 – V F51
2011-01-30 07:30:10 C 07 22 07.861 +26 59 53.48 – V F51
2011-01-30 07:53:41 C 07 22 06.802 +26 59 55.29 – V F51
2020-09-26 10:55:01 C 04 58 25.27 +16 29 36.5 – V G96
2020-09-26 11:02:26 C 04 58 25.79 +16 29 38.8 – V G96
2020-09-26 11:09:51 C 04 58 26.30 +16 29 40.7 – V G96
2020-09-26 11:17:17 C 04 58 26.83 +16 29 43.3 – V G96
2020-10-14 09:00:03 C 05 21 03.36 +18 25 38.5 – V G96
2020-10-14 09:07:27 C 05 21 03.54 +18 25 40.8 – V G96
2020-10-14 09:14:48 C 05 21 03.72 +18 25 42.7 – V G96
2020-10-14 09:22:09 C 05 21 03.92 +18 25 44.6 – V G96
2020-10-29 08:39:27 C 05 23 46.12 +19 57 14.1 – V G96
2020-10-29 08:47:30 C 05 23 45.94 +19 57 16.6 – V G96
2020-11-11 08:16:55 C 05 14 32.10 +21 13 48.5 – V G96
2020-11-11 08:24:17 C 05 14 31.69 +21 13 50.1 – V G96
2020-11-11 08:31:39 C 05 14 31.39 +21 13 52.0 – V G96
2020-11-11 08:39:01 C 05 14 31.03 +21 13 53.1 – V G96
2020-11-23 08:25:47 C 04 59 24.29 +22 13 33.4 – V G96
2020-11-23 08:33:08 C 04 59 23.83 +22 13 34.8 – V G96
2020-11-23 08:40:30 C 04 59 23.39 +22 13 36.0 – V G96
2020-11-23 08:47:51 C 04 59 22.93 +22 13 37.4 – V G96
2020-11-23 09:24:42 C 04 59 20.65 +22 13 44.1 – V I52
2020-11-23 09:28:20 C 04 59 20.41 +22 13 44.4 – V I52
2020-11-23 09:31:53 C 04 59 20.22 +22 13 44.8 – V I52
2020-11-23 11:24:27 C 04 59 13.29 +22 14 04.1 – V I52
2020-11-23 11:30:01 C 04 59 12.98 +22 14 04.9 – V I52
2020-11-24 01:44:07 C 04 58 23.91 +22 16 34.5 – V L01
2020-11-24 01:48:36 C 04 58 23.64 +22 16 34.9 – V L01
2020-11-24 02:35:15 C 04 58 20.83 +22 16 42.5 – V L01
2020-11-24 22:05:43 C 04 57 13.75 +22 20 06.1 – V 246
2020-11-24 22:06:56 C 04 57 13.72 +22 20 05.5 – V 246
2020-11-24 22:07:33 C 04 57 13.61 +22 20 06.3 – V 246
2020-11-24 22:08:09 C 04 57 13.55 +22 20 06.5 – V 246
2020-12-04 07:04:34 C 04 44 25.44 +22 53 16.7 – V I52
2020-12-04 07:11:08 C 04 44 25.09 +22 53 17.6 – V I52
2020-12-04 07:17:42 C 04 44 24.71 +22 53 18.5 – V I52
2020-12-04 07:24:17 C 04 44 24.34 +22 53 19.3 – V I52
2020-12-04 09:34:38 C 04 44 16.83 +22 53 34.3 – V G96
2020-12-04 09:42:11 C 04 44 16.39 +22 53 34.9 – V G96
2020-12-04 09:49:45 C 04 44 15.94 +22 53 36.1 – V G96
2020-12-04 09:57:18 C 04 44 15.54 +22 53 36.9 – V G96
2020-12-05 08:12:52 C 04 43 04.49 +22 56 20.3 – V I52
2020-12-05 08:22:33 C 04 43 03.93 +22 56 21.0 – V I52
2020-12-05 08:26:56 C 04 43 03.71 +22 56 21.4 – V I52