2018 SM2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6052222000
Semi-major axis (a)2.3218969000 AU
Inclination (i)2.28715000°
Long. of Asc. Node (Ω)209.67403000°
Arg. of Perihelion (ω)199.41880000°
Mean Anomaly (M)357.28522000°
Mean Motion (n)0.2785734200°/day
Perihelion dist (q)0.91663340 AU
Aphelion dist (Q)3.72716040 AU
Orbital Period3.53805350 yr
Physical Parameters
H (abs. magnitude)23.00
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.730″
Uncertainty8
Orbit TypeApollo
MOID0.013462 AU
Observations Used28
Oppositions1
Arc Total
First Observation Used
Last Observation Used2018-10-02
Observations (28)
Date Type RA Dec Mag Band Observatory
2018-09-07 04:45:20 C 21 38 55.97 -03 13 30.9 V G96
2018-09-07 04:53:25 C 21 38 55.24 -03 13 31.4 V G96
2018-09-13 04:34:51 C 21 27 03.70 -03 15 36.9 V G96
2018-09-13 04:42:26 C 21 27 02.81 -03 15 36.1 V G96
2018-09-29 05:41:53 C 20 20 56.314 -03 21 56.65 U F52
2018-09-29 05:58:49 C 20 20 49.802 -03 21 56.00 U F52
2018-09-29 06:15:38 C 20 20 43.300 -03 21 55.41 U F52
2018-09-30 05:09:21 C 20 12 01.10 -03 21 07.6 o 291
2018-09-30 05:12:40 C 20 11 59.65 -03 21 07.4 o 291
2018-09-30 05:15:58 C 20 11 58.22 -03 21 07.0 o 291
2018-09-30 18:19:30 C 20 06 31.98 -03 20 38.8 V 595
2018-09-30 18:36:25 C 20 06 24.01 -03 20 38.3 V 595
2018-09-30 18:38:31 C 20 06 22.66 -03 20 43.0 V 118
2018-09-30 18:44:39 C 20 06 20.12 -03 20 36.4 V L01
2018-09-30 18:46:53 C 20 06 19.07 -03 20 35.9 V L01
2018-09-30 18:49:06 C 20 06 18.02 -03 20 35.9 V L01
2018-09-30 18:49:07 C 20 06 17.62 -03 20 42.0 V 118
2018-09-30 18:51:20 C 20 06 16.96 -03 20 35.7 V L01
2018-09-30 18:59:17 C 20 06 12.80 -03 20 39.9 V 118
2018-09-30 19:03:37 C 20 06 11.48 -03 20 32.6 q 160
2018-09-30 19:05:36 C 20 06 10.53 -03 20 32.1 q 160
2018-09-30 19:07:34 C 20 06 09.60 -03 20 31.6 q 160
2018-09-30 19:09:33 C 20 06 08.65 -03 20 31.8 q 160
2018-10-02 01:20:28 C 19 51 17.63 -03 17 16.9 u H21
2018-10-02 01:22:32 C 19 51 16.43 -03 17 16.5 u H21
2018-10-02 01:25:38 C 19 51 14.62 -03 17 16.0 u H21
2018-10-02 01:28:44 C 19 51 12.82 -03 17 15.8 u H21
2018-10-02 01:31:50 C 19 51 11.01 -03 17 15.4 u H21