2020 SM4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2613109877 ± 3.83e-01
Semi-major axis (a)1.0337754751 AU ± 1.50e-01
Inclination (i)5.86325040° ± 1.08e+01
Long. of Asc. Node (Ω)178.89068392° ± 2.51e+00
Arg. of Perihelion (ω)288.48741094° ± 6.85e+00
Mean Anomaly (M)251.15797692° ± 3.71e+02
Mean Motion (n)0.9380195400°/day ± 2.04e-01
Perihelion dist (q)0.76361740 AU ± 4.11e-01
Aphelion dist (Q)1.30346660 AU ± 4.39e-01
Orbital Period1.05073260 yr ± 2.28e-01
Physical Parameters
H (abs. magnitude)27.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.505″
Uncertainty4
Orbit TypeApollo
MOID0.016277 AU
Observations Used12
Oppositions1
Arc Total2020-2020
First Observation Used
Last Observation Used2020-09-24
Observations (13)
Date Type RA Dec Mag Band Observatory
2020-09-22 09:12:51 C 23 51 44.67 -01 51 59.4 V G96
2020-09-22 09:20:56 C 23 51 43.50 -01 52 54.2 V G96
2020-09-22 09:29:00 C 23 51 42.40 -01 53 47.1 V G96
2020-09-23 07:51:16 C 23 49 13.95 -04 40 03.6 V G96
2020-09-23 07:59:24 C 23 49 12.54 -04 41 09.2 V G96
2020-09-23 08:07:31 C 23 49 11.10 -04 42 14.4 V G96
2020-09-23 08:15:38 C 23 49 09.68 -04 43 20.2 V G96
2020-09-23 09:44:00 C 23 48 54.42 -04 55 18.9 V I52
2020-09-23 09:47:37 C 23 48 53.83 -04 55 48.2 V I52
2020-09-23 09:51:15 C 23 48 53.22 -04 56 18.5 V I52
2020-09-24 07:16:30 C 23 46 03.41 -08 08 39.5 V G96
2020-09-24 07:21:10 C 23 46 02.40 -08 09 25.1 V G96
2020-09-24 07:23:30 C 23 46 01.94 -08 09 48.1 V G96