2018 SM1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3806899000
Semi-major axis (a)1.6212608000 AU
Inclination (i)2.90781000°
Long. of Asc. Node (Ω)200.80788000°
Arg. of Perihelion (ω)174.63615000°
Mean Anomaly (M)162.32786000°
Mean Motion (n)0.4774465400°/day
Perihelion dist (q)1.00406320 AU
Aphelion dist (Q)2.23845840 AU
Orbital Period2.06433090 yr
Physical Parameters
H (abs. magnitude)22.90
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.370″
Uncertainty4
Orbit TypeAmor
MOID0.005111 AU
Observations Used323
Oppositions1
Arc Total
First Observation Used
Last Observation Used2018-11-21
Observations (334)
Date Type RA Dec Mag Band Observatory
2018-09-26 19:53:01 C 23 33 08.28 +66 14 59.1 V 595
2018-09-26 20:07:53 C 23 34 08.18 +66 17 53.4 q C77
2018-09-26 20:10:17 C 23 34 16.92 +66 18 23.3 q C77
2018-09-26 20:12:44 C 23 34 25.85 +66 18 53.9 q C77
2018-09-26 20:15:10 C 23 34 34.76 +66 19 24.2 q C77
2018-09-26 20:17:13 C 23 34 35.75 +66 19 58.5 r 106
2018-09-26 20:19:29 C 23 34 44.01 +66 20 26.1 r 106
2018-09-26 20:51:12 C 23 36 44.51 +66 26 36.0 q K38
2018-09-26 20:53:13 C 23 36 29.35 +66 27 24.3 U 089
2018-09-26 20:54:39 C 23 36 57.11 +66 27 17.0 q K38
2018-09-26 20:56:36 C 23 36 41.69 +66 28 03.0 U 089
2018-09-26 20:58:05 C 23 37 09.80 +66 27 58.0 q K38
2018-09-26 20:59:59 C 23 36 54.07 +66 28 41.2 U 089
2018-09-26 21:04:57 C 23 37 35.17 +66 29 18.9 q K38
2018-09-26 21:07:43 C 23 37 47.42 +66 30 00.6 q K32
2018-09-26 21:08:14 C 23 37 24.27 +66 30 14.5 U 089
2018-09-26 21:11:37 C 23 37 36.65 +66 30 52.4 U 089
2018-09-26 21:12:48 C 23 38 06.07 +66 31 00.6 q K32
2018-09-26 21:13:26 C 23 38 12.42 +66 29 50.6 V J95
2018-09-26 21:14:59 C 23 37 49.03 +66 31 29.9 U 089
2018-09-26 21:16:17 C 23 38 23.10 +66 30 24.6 V J95
2018-09-26 21:17:53 C 23 38 24.84 +66 32 00.4 q K32
2018-09-26 21:18:23 C 23 38 01.47 +66 32 08.0 U 089
2018-09-26 21:19:33 C 23 38 35.23 +66 31 03.0 V J95
2018-09-26 21:23:12 C 23 38 19.22 +66 33 01.7 U 089
2018-09-26 21:26:37 C 23 38 31.78 +66 33 39.1 U 089
2018-09-26 21:30:00 C 23 38 44.27 +66 34 16.5 U 089
2018-09-27 05:42:49 C 00 13 34.94 +67 53 04.1 r 718
2018-09-27 05:44:09 C 00 13 40.38 +67 53 15.1 r 718
2018-09-27 05:45:28 C 00 13 45.89 +67 53 26.1 r 718
2018-09-27 05:46:46 C 00 13 51.21 +67 53 37.1 r 718
2018-09-27 05:48:05 C 00 13 56.72 +67 53 48.0 r 718
2018-09-27 05:49:24 C 00 14 02.18 +67 53 58.9 r 718
2018-09-27 05:51:11 C 00 14 09.64 +67 54 13.9 r 718
2018-09-27 05:52:32 C 00 14 15.30 +67 54 25.1 r 718
2018-09-27 18:24:27 C 01 13 24.07 +68 49 01.1 V 587
2018-09-27 18:26:27 C 01 13 33.62 +68 49 07.2 V 587
2018-09-27 18:28:26 C 01 13 43.17 +68 49 13.3 V 587
2018-09-27 19:51:27 C 01 20 18.95 +68 52 41.8 q K38
2018-09-27 19:58:04 C 01 20 46.30 +68 52 37.3 q A17
2018-09-27 19:59:51 C 01 20 54.68 +68 52 40.5 q A17
2018-09-27 20:01:39 C 01 21 03.06 +68 52 43.9 q A17
2018-09-27 20:02:13 C 01 21 09.76 +68 53 03.8 q K38
2018-09-27 20:05:42 C 01 21 26.11 +68 53 10.9 q K38
2018-09-27 20:06:07 C 01 21 24.25 +68 52 52.6 q A17
2018-09-27 20:06:19 C 01 21 26.76 +68 51 55.4 V J95
2018-09-27 20:07:56 C 01 21 32.89 +68 52 55.6 q A17
2018-09-27 20:08:45 C 01 21 38.35 +68 52 00.0 V J95
2018-09-27 20:11:07 C 01 21 49.66 +68 52 04.5 V J95
2018-09-27 20:11:29 C 01 21 49.55 +68 53 02.6 q A17