2018 SK1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2918682377 ± 7.73e-08
Semi-major axis (a)1.5991290607 AU ± 8.01e-09
Inclination (i)19.55768306° ± 1.21e-05
Long. of Asc. Node (Ω)5.70777800° ± 4.51e-06
Arg. of Perihelion (ω)25.38334151° ± 5.02e-05
Mean Anomaly (M)177.73044922° ± 2.74e-05
Mean Motion (n)0.4874016585°/day ± 3.66e-09
Perihelion dist (q)1.13239408 AU ± 1.24e-07
Aphelion dist (Q)2.06586404 AU ± 1.24e-07
Orbital Period2.02220544 yr ± 1.52e-08
Physical Parameters
H (abs. magnitude)22.45
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.298″
Uncertainty0
Orbit TypeAmor
MOID0.149782 AU
Observations Used122
Oppositions3
Arc Total2014-2020
First Observation Used2014-08-29
Last Observation Used2020-10-15
Observations (124)
Date Type RA Dec Mag Band Observatory
2018-10-19 03:18:28 C 22 33 50.82 +28 13 12.1 20.0 q H21
2018-10-19 03:28:29 C 22 33 49.67 +28 13 45.1 q H21
2018-10-19 03:38:31 C 22 33 48.51 +28 14 17.3 19.9 q H21
2018-10-21 03:03:56 C 22 29 09.24 +30 42 47.8 V I52
2018-10-21 03:05:02 C 22 29 09.15 +30 42 50.9 V I52
2018-10-21 03:10:06 C 22 29 08.66 +30 43 07.6 V I52
2018-10-21 03:11:13 C 22 29 08.51 +30 43 10.2 V I52
2018-10-27 05:22:22 C 22 17 47.06 +37 06 23.4 V I52
2018-10-27 05:28:55 C 22 17 46.59 +37 06 37.5 V I52
2018-10-27 05:31:18 C 22 17 46.44 +37 06 42.6 V I52
2018-10-27 05:33:43 C 22 17 46.29 +37 06 48.5 V I52
2018-11-07 02:19:26 C 22 08 49.04 +45 01 57.0 o 711
2018-11-07 02:25:38 C 22 08 48.92 +45 02 05.8 o 711
2018-11-07 02:31:53 C 22 08 48.79 +45 02 14.5 o 711
2020-10-04 04:59:44 C 21 41 16.08 -20 27 11.3 V I52
2020-10-04 05:11:16 C 21 41 15.26 -20 26 29.9 V I52
2020-10-04 05:16:33 C 21 41 14.90 -20 26 10.4 V I52
2020-10-10 05:43:29 C 21 34 29.036 -11 49 32.64 U F51
2020-10-10 06:00:21 C 21 34 28.306 -11 48 32.93 U F51
2020-10-10 06:17:15 C 21 34 27.554 -11 47 33.50 U F51
2020-10-10 06:34:04 C 21 34 26.777 -11 46 33.47 U F51
2020-10-15 06:43:11 C 21 31 28.742 -04 50 09.01 U F52
2020-10-15 07:00:54 C 21 31 28.306 -04 49 09.01 U F52
2020-10-15 07:18:35 C 21 31 27.868 -04 48 09.62 U F52