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
2018-09-20 19:15:42 C 20 25 07.51 +32 00 30.2 V K51
2018-09-20 19:17:30 C 20 25 07.99 +32 00 47.7 V K51
2018-09-20 19:31:09 C 20 25 13.00 +32 03 08.1 q C77
2018-09-20 19:37:27 C 20 25 14.70 +32 04 09.6 q C77
2018-09-20 19:40:46 C 20 25 15.56 +32 04 41.9 q C77
2018-09-20 20:13:13 C 20 25 23.17 +32 09 56.8 16.8 V 104
2018-09-20 20:17:45 C 20 25 24.38 +32 10 40.6 16.6 V 104
2018-09-20 20:22:18 C 20 25 25.60 +32 11 24.2 16.6 V 104
2018-09-21 16:55:48 C 20 33 41.17 +35 46 00.1 V 094
2018-09-21 16:56:09 C 20 33 41.28 +35 46 03.8 V 094
2018-09-21 16:56:30 C 20 33 41.41 +35 46 07.5 V 094
2018-09-21 16:56:52 C 20 33 41.56 +35 46 12.2 V 094
2018-09-21 20:01:13 C 20 35 01.33 +36 20 27.4 V J95
2018-09-21 20:05:07 C 20 35 02.82 +36 21 12.8 V J95
2018-09-21 20:09:31 C 20 35 04.53 +36 22 03.4 V J95
2018-09-21 20:14:27 C 20 35 06.43 +36 23 00.5 V J95
2018-09-21 22:28:25 C 20 35 58.81 +36 48 34.0 q Z80
2018-09-21 22:29:49 C 20 35 59.42 +36 48 49.8 q Z80
2018-09-21 22:32:05 C 20 36 00.43 +36 49 17.5 q Z80
2018-09-22 05:20:19 C 20 39 26.10 +38 11 45.1 16.5 r 718
2018-09-22 05:21:39 C 20 39 26.70 +38 12 01.3 16.5 r 718
2018-09-22 05:22:57 C 20 39 27.23 +38 12 16.9 16.6 r 718
2018-09-22 05:24:15 C 20 39 27.77 +38 12 32.3 16.7 r 718
2018-09-22 05:25:34 C 20 39 28.34 +38 12 48.4 16.5 r 718
2018-09-22 05:26:52 C 20 39 28.94 +38 13 03.6 16.5 r 718
2018-09-22 22:24:25 C 20 49 17.42 +41 50 58.6 V 094
2018-09-22 22:24:48 C 20 49 17.62 +41 51 03.5 V 094
2018-09-22 22:25:08 C 20 49 17.89 +41 51 08.3 V 094
2018-09-22 22:25:29 C 20 49 18.07 +41 51 12.4 V 094
2018-09-23 04:07:53 C 20 53 38.61 +43 12 38.9 16.6 r 718
2018-09-23 04:09:13 C 20 53 39.36 +43 12 57.9 16.7 r 718
2018-09-23 04:10:31 C 20 53 40.13 +43 13 15.9 16.7 r 718
2018-09-23 04:11:50 C 20 53 41.04 +43 13 34.6 16.7 r 718
2018-09-23 04:13:09 C 20 53 41.78 +43 13 52.9 16.8 r 718
2018-09-23 21:53:37 C 21 08 26.18 +47 36 33.5 V J69
2018-09-23 21:59:37 C 21 08 31.32 +47 38 06.5 V J69
2018-09-23 22:05:37 C 21 08 36.47 +47 39 39.1 V J69
2018-09-23 22:11:37 C 21 08 41.66 +47 41 11.6 V J69
2018-09-24 06:51:56 C 21 17 37.26 +50 01 39.1 U I41
2018-09-24 06:52:26 C 21 17 37.76 +50 01 47.2 U I41
2018-09-24 08:12:14 C 21 18 59.09 +50 22 29.3 U I41
2018-09-24 08:12:44 C 21 18 59.62 +50 22 37.6 U I41
2018-09-24 17:52:32 C 21 31 56.32 +53 03 40.6 V 094
2018-09-24 17:52:39 C 21 31 56.46 +53 03 42.6 V 094
2018-09-24 17:52:45 C 21 31 56.59 +53 03 44.4 V 094
2018-09-24 17:52:51 C 21 31 56.73 +53 03 46.3 V 094
2018-09-24 20:56:02 n 21 36 13.82 +53 55 09.4 15.7 V Z43
2018-09-24 21:01:57 n 21 36 21.73 +53 56 50.8 15.7 V Z43
2018-09-24 21:02:13 C 21 35 59.72 +53 56 56.8 V 094
2018-09-24 21:02:26 C 21 35 59.97 +53 56 59.9 V 094