2018 SA2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5221476157 ± 1.63e-05
Semi-major axis (a)2.2304223254 AU ± 8.02e-05
Inclination (i)8.83089179° ± 1.68e-04
Long. of Asc. Node (Ω)331.50470810° ± 1.80e-04
Arg. of Perihelion (ω)11.34530574° ± 1.29e-04
Mean Anomaly (M)58.54885308° ± 4.22e-02
Mean Motion (n)0.2958909082°/day ± 1.60e-05
Perihelion dist (q)1.06581263 AU ± 5.29e-05
Aphelion dist (Q)3.39503202 AU ± 1.27e-04
Orbital Period3.33104619 yr ± 1.80e-04
Physical Parameters
H (abs. magnitude)22.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.255″
Uncertainty2
Orbit TypeAmor
MOID0.058063 AU
Observations Used54
Oppositions1
Arc Total2018-2018
First Observation Used2018-09-18
Last Observation Used2018-11-08
Observations (58)
Date Type RA Dec Mag Band Observatory
2018-10-28 08:10:40 C 00 07 02.70 +42 13 48.9 V V06
2018-10-28 08:15:03 C 00 07 03.18 +42 13 47.1 V V06
2018-11-06 04:21:08 C 00 31 08.15 +40 34 56.0 o 711
2018-11-06 04:27:19 C 00 31 08.72 +40 34 52.8 o 711
2018-11-06 04:33:29 C 00 31 09.36 +40 34 49.3 o 711
2018-11-08 04:22:17 C 00 36 01.89 +40 09 16.2 u H21
2018-11-08 05:00:04 C 00 36 05.42 +40 08 55.5 u H21
2018-11-08 05:21:00 C 00 36 07.40 +40 08 43.2 u H21