IAA RAS IAA Minor Planet Database

2020 RF4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6401772000
Semi-major axis (a)2.3444221000 AU
Inclination (i)4.16130000°
Long. of Asc. Node (Ω)160.34742000°
Arg. of Perihelion (ω)257.96485000°
Mean Anomaly (M)146.18497000°
Mean Motion (n)0.2745682900°/day
Perihelion dist (q)0.84357650 AU
Aphelion dist (Q)3.84526770 AU
Orbital Period3.58966330 yr
Physical Parameters
H (abs. magnitude)24.40
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.270″
Uncertainty7
Orbit TypeApollo
MOID0.029433 AU
Observations Used46
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2020-09-20
Observations (49)
Date Type RA Dec Mag Band Observatory
2020-09-11 09:53:39 C 23 12 50.845 -10 33 54.16 – U F52
2020-09-11 10:09:26 C 23 12 51.661 -10 34 23.75 – U F52
2020-09-11 10:41:05 C 23 12 53.307 -10 35 23.38 – U F52
2020-09-11 23:02:40 C 23 13 48.32 -10 59 51.2 – V L01
2020-09-11 23:06:02 C 23 13 48.48 -10 59 57.5 – V L01
2020-09-11 23:11:44 C 23 13 48.83 -11 00 08.9 – V L01
2020-09-11 23:15:44 C 23 13 49.10 -11 00 16.3 – V L01
2020-09-12 09:49:06 C 23 14 39.849 -11 21 47.52 – U F51
2020-09-12 10:04:23 C 23 14 40.792 -11 22 20.25 – U F51
2020-09-12 10:19:38 C 23 14 41.737 -11 22 53.85 – U F51
2020-09-13 09:33:30 C 23 16 44.732 -12 15 47.10 – U F51
2020-09-13 10:20:05 C 23 16 48.131 -12 17 40.83 – U F51
2020-09-14 06:04:30 C 23 18 47.16 -13 08 58.4 – u H21
2020-09-14 06:16:18 C 23 18 48.21 -13 09 30.9 – u H21
2020-09-14 06:34:55 C 23 18 49.87 -13 10 21.7 – u H21
2020-09-14 08:06:39 C 23 19 03.645 -13 14 12.78 – U F52
2020-09-14 08:07:49 C 23 19 03.755 -13 14 16.05 – U F52
2020-09-14 08:29:41 C 23 19 05.693 -13 15 17.45 – U F52
2020-09-14 08:30:51 C 23 19 05.799 -13 15 20.71 – U F52
2020-09-14 08:52:39 C 23 19 07.718 -13 16 21.85 – U F52
2020-09-14 08:53:49 C 23 19 07.812 -13 16 25.21 – U F52
2020-09-14 09:15:46 C 23 19 09.729 -13 17 26.76 – U F52
2020-09-14 09:16:58 C 23 19 09.833 -13 17 30.12 – U F52
2020-09-14 09:25:47 C 23 19 10.599 -13 17 54.75 – U F52
2020-09-14 09:30:22 C 23 19 11.007 -13 18 07.83 – U F52
2020-09-14 09:41:22 C 23 19 11.971 -13 18 38.78 – U F52
2020-09-14 09:45:57 C 23 19 12.356 -13 18 51.40 – U F52
2020-09-14 09:56:57 C 23 19 13.311 -13 19 22.30 – U F52
2020-09-14 10:01:33 C 23 19 13.715 -13 19 35.12 – U F52
2020-09-14 10:12:33 C 23 19 14.672 -13 20 05.99 – U F52
2020-09-14 10:17:11 C 23 19 15.076 -13 20 18.89 – U F52
2020-09-15 06:29:08 C 23 21 40.03 -14 20 50.4 – V G96
2020-09-15 06:37:10 C 23 21 40.87 -14 21 16.4 – V G96
2020-09-15 06:45:12 C 23 21 41.73 -14 21 41.7 – V G96
2020-09-15 06:53:15 C 23 21 42.56 -14 22 07.8 – V G96
2020-09-16 09:00:26 C 23 25 20.73 -15 52 47.9 – V I52
2020-09-16 09:12:53 C 23 25 22.48 -15 53 34.2 – V I52
2020-09-16 09:14:11 C 23 25 22.60 -15 53 39.1 – V I52
2020-09-16 09:15:31 C 23 25 22.79 -15 53 43.9 – V I52
2020-09-18 09:47:25 C 23 34 48.590 -19 33 40.88 – U F51
2020-09-18 10:02:51 C 23 34 51.767 -19 35 05.41 – U F51
2020-09-18 10:33:40 C 23 34 58.083 -19 37 52.80 – U F51
2020-09-19 14:10:17 C 23 42 33.42 -22 24 14.7 – V 474
2020-09-19 14:13:11 C 23 42 34.27 -22 24 34.0 – V 474
2020-09-19 14:16:04 C 23 42 35.10 -22 24 53.7 – V 474
2020-09-20 07:46:37 C 23 48 46.20 -24 37 13.3 – V I52
2020-09-20 07:46:53 C 23 48 46.29 -24 37 15.4 – V I52
2020-09-20 07:47:10 C 23 48 46.44 -24 37 17.9 – V I52
2020-09-20 07:47:27 C 23 48 46.51 -24 37 21.0 – V I52