2018 SN2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2168922213 ± 1.01e-04
Semi-major axis (a)0.8377645421 AU ± 5.42e-05
Inclination (i)13.07141222° ± 9.42e-03
Long. of Asc. Node (Ω)186.70858456° ± 1.50e-03
Arg. of Perihelion (ω)0.98061117° ± 3.93e-03
Mean Anomaly (M)289.99569324° ± 3.41e-01
Mean Motion (n)1.2853734154°/day ± 1.25e-04
Perihelion dist (q)0.65605993 AU ± 9.47e-05
Aphelion dist (Q)1.01946915 AU ± 1.07e-04
Orbital Period0.76680152 yr ± 7.44e-05
Physical Parameters
H (abs. magnitude)24.40
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.371″
Uncertainty3
Orbit TypeAten
MOID0.016085 AU
Observations Used59
Oppositions1
Arc Total2018-2018
First Observation Used2018-09-29
Last Observation Used2018-10-15
Observations (59)
Date Type RA Dec Mag Band Observatory
2018-10-08 10:14:57 C 20 49 35.89 -40 00 52.8 V 474
2018-10-08 10:17:22 C 20 49 36.09 -40 01 05.0 V 474
2018-10-08 10:19:47 C 20 49 36.16 -40 01 17.4 V 474
2018-10-14 12:26:53 C 21 02 19.45 -49 14 48.8 V 474
2018-10-14 12:43:49 C 21 02 20.70 -49 15 29.9 V 474
2018-10-14 12:52:23 C 21 02 21.32 -49 15 50.2 V 474
2018-10-15 01:14:54 C 21 03 26.72 -49 48 50.4 u 807
2018-10-15 01:30:51 C 21 03 27.34 -49 49 29.5 u 807
2018-10-15 01:46:48 C 21 03 28.05 -49 50 08.2 u 807