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
2018-09-28 05:25:42 C 23 46 28.63 -08 25 29.2 u H21
2018-09-28 05:31:14 C 23 46 28.10 -08 25 03.3 U H36
2018-09-28 05:35:16 C 23 46 26.96 -08 24 46.0 u H21
2018-09-28 05:56:03 C 23 46 23.33 -08 23 12.0 u H21
2018-09-28 05:57:59 C 23 46 23.34 -08 23 02.7 U H36
2018-09-28 06:10:49 C 23 46 21.11 -08 22 04.3 U H36
2018-09-28 06:23:40 C 23 46 18.88 -08 21 06.1 U H36
2018-09-28 09:14:54 C 23 45 49.66 -08 08 06.5 o 691
2018-09-28 09:47:43 C 23 45 44.00 -08 05 37.3 o 691
2018-09-28 10:20:34 C 23 45 38.36 -08 03 07.9 o 691
2018-09-29 05:32:12 C 23 42 32.66 -06 35 23.2 u H21
2018-09-29 05:37:40 C 23 42 31.74 -06 34 58.4 u H21
2018-09-29 05:43:55 C 23 42 30.65 -06 34 29.3 u H21
2018-09-29 05:51:33 C 23 42 29.30 -06 33 54.1 u H21
2018-09-29 07:35:30 C 23 42 12.13 -06 25 49.0 V 703
2018-09-29 07:43:27 C 23 42 10.64 -06 25 11.4 V 703
2018-09-29 07:51:23 C 23 42 09.31 -06 24 34.7 V 703
2018-09-29 07:59:20 C 23 42 07.77 -06 23 58.1 V 703
2018-09-30 04:53:23 C 23 38 44.88 -04 46 22.7 V I52
2018-09-30 05:30:12 C 23 38 38.42 -04 43 29.9 V I52
2018-09-30 05:34:22 C 23 38 37.69 -04 43 10.2 V I52
2018-09-30 05:38:34 C 23 38 36.95 -04 42 50.7 V I52
2018-10-03 10:38:18 C 23 25 59.52 +01 27 07.7 U T05
2018-10-03 10:52:44 C 23 25 56.99 +01 28 18.3 U T05
2018-10-03 11:07:15 C 23 25 54.43 +01 29 29.1 U T05
2018-10-03 11:21:37 C 23 25 51.95 +01 30 38.9 U T05
2018-10-05 04:56:56 C 23 19 12.42 +04 52 38.4 V G96
2018-10-05 05:04:57 C 23 19 11.00 +04 53 17.3 V G96
2018-10-05 05:20:55 C 23 19 08.25 +04 54 34.7 V G96
2018-10-05 09:26:36 C 23 18 28.112 +05 14 36.06 U F52
2018-10-05 09:27:36 C 23 18 27.939 +05 14 40.98 U F52
2018-10-05 09:42:32 C 23 18 25.344 +05 15 53.12 U F52
2018-10-05 09:43:31 C 23 18 25.167 +05 15 58.07 U F52
2018-10-05 09:58:25 C 23 18 22.576 +05 17 10.03 U F52
2018-10-05 10:14:20 C 23 18 19.816 +05 18 26.95 U F52
2018-10-05 10:15:20 C 23 18 19.643 +05 18 31.81 U F52
2018-10-06 05:00:44 C 23 15 21.91 +06 48 51.5 19.5 q H21
2018-10-06 05:05:30 C 23 15 21.09 +06 49 14.8 19.6 q H21
2018-10-06 05:10:15 C 23 15 20.29 +06 49 37.3 19.7 q H21
2018-10-09 04:59:13 C 23 04 18.39 +12 28 25.0 19.5 q H21
2018-10-09 05:08:04 C 23 04 16.97 +12 29 05.6 19.8 q H21
2018-10-09 05:13:36 C 23 04 16.08 +12 29 30.7 19.7 q H21
2018-10-10 09:27:15 C 23 00 05.62 +14 37 29.3 V I52
2018-10-10 09:30:21 C 23 00 05.14 +14 37 42.6 V I52
2018-10-10 09:42:59 C 23 00 03.25 +14 38 38.9 V I52
2018-10-10 09:43:36 C 23 00 03.15 +14 38 41.1 V I52
2018-10-18 02:42:31 C 22 36 29.59 +26 51 06.9 V I52
2018-10-18 02:49:56 C 22 36 28.71 +26 51 32.3 V I52
2018-10-18 02:53:00 C 22 36 28.32 +26 51 42.8 V I52
2018-10-18 02:54:05 C 22 36 28.22 +26 51 46.7 V I52