2018 SL3

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5233395757 ± 3.65e-04
Semi-major axis (a)1.5787051219 AU ± 8.22e-04
Inclination (i)4.04036265° ± 2.67e-03
Long. of Asc. Node (Ω)4.99377913° ± 3.58e-03
Arg. of Perihelion (ω)89.83798512° ± 1.39e-02
Mean Anomaly (M)183.85661720° ± 1.12e+00
Mean Motion (n)0.4968905636°/day ± 3.88e-04
Perihelion dist (q)0.75250625 AU ± 6.97e-04
Aphelion dist (Q)2.40490399 AU ± 1.38e-03
Orbital Period1.98358825 yr ± 1.55e-03
Physical Parameters
H (abs. magnitude)24.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.312″
Uncertainty4
Orbit TypeApollo
MOID0.019437 AU
Observations Used53
Oppositions1
Arc Total2018-2018
First Observation Used2018-09-30
Last Observation Used2018-10-13
Observations (53)
Date Type RA Dec Mag Band Observatory
2018-10-13 20:00:23 C 21 26 23.58 +27 45 51.7 V 595
2018-10-13 20:03:32 C 21 26 15.54 +27 46 32.8 V 595
2018-10-13 20:06:40 C 21 26 07.49 +27 47 13.8 V 595