2018 SN

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3098014716 ± 5.54e-06
Semi-major axis (a)1.6841784844 AU ± 1.71e-05
Inclination (i)14.04706699° ± 1.85e-04
Long. of Asc. Node (Ω)32.93954582° ± 3.97e-05
Arg. of Perihelion (ω)320.73182984° ± 7.07e-05
Mean Anomaly (M)106.41687224° ± 1.79e-02
Mean Motion (n)0.4509517782°/day ± 6.86e-06
Perihelion dist (q)1.16241751 AU ± 1.50e-05
Aphelion dist (Q)2.20593946 AU ± 2.42e-05
Orbital Period2.18565783 yr ± 3.32e-05
Physical Parameters
H (abs. magnitude)21.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.364″
Uncertainty2
Orbit TypeAmor
MOID0.198314 AU
Observations Used116
Oppositions1
Arc Total2018-2018
First Observation Used2018-09-16
Last Observation Used2018-12-13
Observations (116)
Date Type RA Dec Mag Band Observatory
2018-11-06 08:33:53 C 02 24 14.73 +26 39 24.7 V 703
2018-11-06 08:41:28 C 02 24 14.17 +26 39 35.8 V 703
2018-11-16 06:11:01 C 02 08 22.02 +31 10 28.7 V I52
2018-11-16 06:14:49 C 02 08 21.78 +31 10 32.2 V I52
2018-11-16 06:17:31 C 02 08 21.62 +31 10 35.1 V I52
2018-11-16 06:20:13 C 02 08 21.48 +31 10 37.0 V I52
2018-11-27 09:06:06 C 01 59 14.84 +34 08 36.4 o 291
2018-11-27 09:18:33 C 01 59 14.60 +34 08 41.9 o 291
2018-11-27 09:31:02 C 01 59 14.39 +34 08 47.9 o 291
2018-11-27 09:53:01 C 01 59 14.00 +34 08 56.7 V I52
2018-11-27 09:59:52 C 01 59 13.90 +34 08 59.5 V I52
2018-11-27 10:06:43 C 01 59 13.72 +34 09 03.2 V I52
2018-11-27 10:13:35 C 01 59 13.63 +34 09 06.7 V I52
2018-12-13 00:46:53 C 02 01 45.01 +36 12 54.7 u H21
2018-12-13 01:03:38 C 02 01 45.42 +36 12 58.3 u H21
2018-12-13 01:26:22 C 02 01 45.90 +36 13 04.0 u H21