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
2018-09-19 23:08:36 C 20 18 43.94 +28 59 48.1 V J27
2018-09-19 23:09:58 C 20 18 44.21 +28 59 59.1 V J27
2018-09-19 23:14:13 C 20 18 45.18 +29 00 33.7 V J27
2018-09-19 23:19:07 C 20 18 46.21 +29 01 13.2 V J27
2018-09-20 00:27:50 C 20 19 23.08 +29 11 36.2 q W34
2018-09-20 00:51:54 C 20 19 27.94 +29 15 04.0 q W34
2018-09-20 01:06:55 C 20 19 28.09 +29 16 43.1 u 932
2018-09-20 01:19:31 C 20 19 30.70 +29 18 30.1 u 932
2018-09-20 01:21:24 C 20 19 33.90 +29 19 17.7 q W34
2018-09-20 01:26:02 C 20 19 32.00 +29 19 25.6 u 932
2018-09-20 01:40:30 C 20 19 37.72 +29 22 01.1 q W34
2018-09-20 01:50:26 C 20 19 39.74 +29 23 25.9 q W34
2018-09-20 03:05:38 C 20 19 57.16 +29 33 45.8 u H21
2018-09-20 03:09:16 C 20 19 57.93 +29 34 16.7 u H21
2018-09-20 03:12:22 C 20 19 58.59 +29 34 43.0 u H21
2018-09-20 03:15:28 C 20 19 59.24 +29 35 09.4 u H21
2018-09-20 03:18:34 C 20 19 59.90 +29 35 35.7 u H21
2018-09-20 03:21:40 C 20 20 00.56 +29 36 02.0 u H21
2018-09-20 05:27:52 C 20 20 36.33 +29 54 43.7 t 673
2018-09-20 05:51:57 C 20 20 40.73 +29 57 33.3 17.2 r 718
2018-09-20 05:53:05 C 20 20 41.81 +29 58 19.6 t 673
2018-09-20 05:55:15 C 20 20 41.46 +29 58 00.8 17.6 r 718
2018-09-20 05:58:34 C 20 20 42.17 +29 58 29.5 17.5 r 718
2018-09-20 07:32:00 C 20 21 00.17 +30 11 14.1 u 850
2018-09-20 07:36:21 C 20 21 01.45 +30 11 50.5 u 850
2018-09-20 07:45:15 C 20 21 04.06 +30 13 04.8 u 850
2018-09-20 07:49:35 C 20 21 05.40 +30 13 40.1 u 850
2018-09-20 07:53:54 C 20 21 06.56 +30 14 16.6 u 850
2018-09-20 07:57:55 C 20 21 07.75 +30 14 49.9 u 850
2018-09-20 17:44:16 C 20 24 39.53 +31 45 45.5 t L04
2018-09-20 17:50:31 C 20 24 41.18 +31 46 46.1 t L04
2018-09-20 17:57:53 C 20 24 43.16 +31 47 57.3 t L04
2018-09-20 18:04:01 C 20 24 44.77 +31 48 56.4 t L04
2018-09-20 18:31:27 C 20 24 54.78 +31 52 57.1 V 113
2018-09-20 18:32:47 C 20 24 55.23 +31 53 10.0 V 113
2018-09-20 18:35:26 C 20 24 55.94 +31 53 35.6 V 113
2018-09-20 18:35:54 C 20 24 55.05 +31 53 54.7 u 118
2018-09-20 18:38:06 C 20 24 56.63 +31 54 01.6 V 113
2018-09-20 18:41:00 C 20 24 56.43 +31 54 43.9 u 118
2018-09-20 18:46:05 C 20 24 57.81 +31 55 33.4 u 118
2018-09-20 18:48:01 C 20 24 59.38 +31 55 37.7 V 113
2018-09-20 18:48:24 C 20 25 00.62 +31 56 16.8 q 160
2018-09-20 18:51:10 C 20 24 59.18 +31 56 22.6 u 118
2018-09-20 18:53:12 C 20 25 01.90 +31 57 03.7 q 160
2018-09-20 18:55:37 C 20 25 02.52 +31 57 27.0 q 160
2018-09-20 18:56:16 C 20 25 00.56 +31 57 11.7 u 118
2018-09-20 18:57:58 C 20 25 03.13 +31 57 50.0 q 160
2018-09-20 19:02:53 C 20 25 04.45 +31 58 37.5 q 160
2018-09-20 19:12:03 C 20 25 06.52 +31 59 54.8 V K51
2018-09-20 19:13:09 C 20 25 06.82 +32 00 05.5 V K51