IAA RAS IAA Minor Planet Database

2020 SM1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2384971489 ± 2.35e-05
Semi-major axis (a)1.1252568529 AU ± 1.96e-05
Inclination (i)3.61430698° ± 3.05e-04
Long. of Asc. Node (Ω)350.94221891° ± 3.95e-05
Arg. of Perihelion (ω)286.40037756° ± 1.46e-04
Mean Anomaly (M)172.84021006° ± 4.33e-02
Mean Motion (n)0.8257237504°/day ± 2.16e-05
Perihelion dist (q)0.85688630 AU ± 3.04e-05
Aphelion dist (Q)1.39362740 AU ± 3.59e-05
Orbital Period1.19365137 yr ± 3.12e-05
Physical Parameters
H (abs. magnitude)26.26
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.211″
Uncertainty2
Orbit TypeApollo
MOID0.003541 AU
Observations Used129
Oppositions1
Arc Total2020-2020
First Observation Used2020-09-18
Last Observation Used2020-09-27
Observations (149)
Date Type RA Dec Mag Band Observatory
2020-09-20 10:03:49 C 22 41 55.62 +18 38 37.3 – V I52
2020-09-20 10:04:05 C 22 41 55.77 +18 38 36.6 – V I52
2020-09-20 10:04:21 C 22 41 55.92 +18 38 35.5 – V I52
2020-09-20 19:17:53 C 22 47 31.01 +18 12 57.2 – V 246
2020-09-20 19:18:19 C 22 47 31.15 +18 12 56.1 – V 246
2020-09-20 19:18:51 C 22 47 31.38 +18 12 55.2 – V 246
2020-09-20 19:19:06 C 22 47 31.51 +18 12 54.5 – V 246
2020-09-20 19:19:23 C 22 47 31.59 +18 12 54.2 – V 246
2020-09-20 22:50:22 C 22 48 58.27 +18 04 43.4 – V J69
2020-09-20 22:58:52 C 22 49 01.38 +18 04 24.2 – V J69
2020-09-20 23:07:21 C 22 49 04.53 +18 04 04.3 – V J69
2020-09-20 23:15:50 C 22 49 07.65 +18 03 45.0 – V J69
2020-09-21 01:05:51 C 22 50 17.38 +18 00 50.4 – V W34
2020-09-21 01:17:18 C 22 50 21.48 +18 00 28.9 – V W34
2020-09-21 01:28:38 C 22 50 25.43 +18 00 07.3 – V W34
2020-09-21 01:39:51 C 22 50 29.40 +17 59 46.4 – V W34
2020-09-21 02:46:00 C 22 50 51.64 +17 57 39.8 – V W33
2020-09-21 02:56:49 C 22 50 55.12 +17 57 18.4 – V W33
2020-09-21 03:07:41 C 22 50 58.61 +17 56 56.7 – V W33
2020-09-21 04:59:51 C 22 51 45.57 +17 53 16.5 – V I52
2020-09-21 05:00:07 C 22 51 45.70 +17 53 15.8 – V I52
2020-09-21 05:01:37 C 22 51 46.18 +17 53 12.8 – V I52
2020-09-21 05:01:53 C 22 51 46.23 +17 53 12.6 – V I52
2020-09-21 20:20:41 C 22 57 19.59 +17 22 13.8 – V Z99
2020-09-21 20:24:33 C 22 57 20.62 +17 22 08.1 – V Z99
2020-09-21 20:28:26 C 22 57 21.61 +17 22 02.4 – V Z99
2020-09-21 20:32:19 C 22 57 22.62 +17 21 56.5 – V Z99
2020-09-21 20:36:12 C 22 57 23.65 +17 21 50.8 – V Z99
2020-09-22 03:00:27 C 22 59 26.98 +17 13 16.1 – V I52
2020-09-22 03:07:16 C 22 59 28.52 +17 13 07.0 – V I52
2020-09-22 03:14:05 C 22 59 30.05 +17 12 58.9 – V I52
2020-09-22 10:11:00 C 23 01 04.180 +17 04 18.13 – U F51
2020-09-22 10:48:51 C 23 01 10.566 +17 03 20.10 – U F51
2020-09-22 11:07:48 C 23 01 13.817 +17 02 50.34 – U F51
2020-09-23 22:37:56 C 23 08 43.76 +16 20 06.2 – V K38
2020-09-23 23:10:29 C 23 08 47.39 +16 19 33.7 – V K38
2020-09-23 23:43:01 C 23 08 51.07 +16 19 02.7 – V K38
2020-09-24 03:01:45 C 23 09 39.49 +16 16 36.7 – V I52
2020-09-24 03:09:40 C 23 09 40.43 +16 16 31.3 – V I52
2020-09-24 03:17:35 C 23 09 41.29 +16 16 25.4 – V I52
2020-09-24 03:25:30 C 23 09 42.17 +16 16 19.2 – V I52
2020-09-25 06:30:25 C 23 13 16.94 +15 54 42.6 – V I52
2020-09-25 06:33:27 C 23 13 17.14 +15 54 40.0 – V I52
2020-09-25 06:36:28 C 23 13 17.34 +15 54 38.6 – V I52
2020-09-25 06:39:29 C 23 13 17.58 +15 54 35.7 – V I52
2020-09-26 04:41:11 C 23 15 50.40 +15 39 53.9 – V I52
2020-09-26 04:46:33 C 23 15 50.70 +15 39 50.1 – V I52
2020-09-27 03:31:02 C 23 18 00.04 +15 26 45.1 – V I52
2020-09-27 03:34:37 C 23 18 00.18 +15 26 42.9 – V I52