IAA RAS IAA Minor Planet Database

2020 SF4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2871359000
Semi-major axis (a)1.2499421000 AU
Inclination (i)2.11164000°
Long. of Asc. Node (Ω)322.06186000°
Arg. of Perihelion (ω)327.44162000°
Mean Anomaly (M)291.73265000°
Mean Motion (n)0.7052924300°/day
Perihelion dist (q)0.89103890 AU
Aphelion dist (Q)1.60884530 AU
Orbital Period1.39744540 yr
Physical Parameters
H (abs. magnitude)26.37
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.830″
Uncertainty7
Orbit TypeApollo
MOID0.017658 AU
Observations Used20
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2020-09-27
Observations (21)
Date Type RA Dec Mag Band Observatory
2020-09-21 11:48:49 C 23 57 02.823 +32 10 24.82 – V F51
2020-09-21 12:21:32 C 23 57 02.874 +32 07 21.35 – V F51
2020-09-23 08:32:04 C 23 59 18.721 +28 41 07.35 – U F51
2020-09-23 08:49:53 C 23 59 18.564 +28 39 57.69 – U F51
2020-09-23 09:07:37 C 23 59 18.404 +28 38 48.19 – U F51
2020-09-23 09:25:21 C 23 59 18.210 +28 37 38.62 – U F51
2020-09-24 01:07:59 C 23 59 45.52 +27 36 17.5 – V L01
2020-09-24 01:10:14 C 23 59 45.51 +27 36 09.2 – V L01
2020-09-24 01:12:29 C 23 59 45.52 +27 36 00.8 – V L01
2020-09-24 01:18:40 C 23 59 45.50 +27 35 37.6 – V L01
2020-09-24 04:28:10 C 00 00 03.20 +27 24 42.2 – V I52
2020-09-24 04:31:48 C 00 00 03.20 +27 24 30.0 – V I52
2020-09-24 04:35:25 C 00 00 03.23 +27 24 17.7 – V I52
2020-09-25 11:19:49 C 00 00 50.371 +25 43 55.88 – U F51
2020-09-25 11:35:16 C 00 00 50.166 +25 43 07.85 – U F51
2020-09-25 12:06:07 C 00 00 49.866 +25 41 32.37 – U F51
2020-09-26 08:02:51 C 00 01 23.65 +24 44 10.0 – V V06
2020-09-26 08:05:24 C 00 01 23.62 +24 44 03.2 – V V06
2020-09-27 06:58:45 C 00 01 57.76 +23 45 16.0 – V V06
2020-09-27 07:55:17 C 00 01 57.12 +23 42 58.2 – V V06
2020-09-27 07:57:51 C 00 01 57.10 +23 42 51.5 – V V06