2018 SL

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2795324594 ± 2.00e+00
Semi-major axis (a)1.5281712438 AU ± 3.00e+00
Inclination (i)41.29140751° ± 4.00e+00
Long. of Asc. Node (Ω)170.31305445° ± 5.00e+00
Arg. of Perihelion (ω)146.00520878° ± 6.00e+00
Mean Anomaly (M)309.38372497° ± 2.54e+00
Mean Motion (n)0.5217317100°/day ± 1.54e+00
Perihelion dist (q)1.10099750 AU ± 3.74e+00
Aphelion dist (Q)1.95533930 AU ± 4.91e+00
Orbital Period1.88910820 yr ± 5.56e+00
Physical Parameters
H (abs. magnitude)23.90
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.590″
Uncertainty4
Orbit TypeAmor
MOID0.132648 AU
Observations Used14
Oppositions1
Arc Total2018-2018
First Observation Used
Last Observation Used2018-09-18
Observations (14)
Date Type RA Dec Mag Band Observatory
2018-09-16 07:43:52 C 00 03 33.95 -19 38 18.0 V G96
2018-09-16 07:51:21 C 00 03 34.36 -19 39 35.1 V G96
2018-09-16 08:06:20 C 00 03 35.10 -19 42 08.0 V G96
2018-09-16 10:03:13 C 00 03 40.59 -20 01 54.9 V I52
2018-09-16 10:05:19 C 00 03 40.65 -20 02 15.6 V I52
2018-09-16 10:07:25 C 00 03 40.82 -20 02 37.7 V I52
2018-09-16 10:09:30 C 00 03 40.95 -20 02 58.7 V I52
2018-09-17 06:02:38 C 00 04 56.32 -23 18 04.8 V I52
2018-09-17 06:05:02 C 00 04 56.41 -23 18 28.4 V I52
2018-09-17 06:07:25 C 00 04 56.53 -23 18 51.0 V I52
2018-09-18 07:06:37 C 00 06 23.05 -27 04 55.4 V I52
2018-09-18 07:11:25 C 00 06 23.16 -27 05 36.5 V I52
2018-09-18 07:16:12 C 00 06 23.51 -27 06 19.4 V I52
2018-09-18 07:20:59 C 00 06 23.68 -27 07 00.4 V I52