IAA RAS IAA Minor Planet Database

2020 OB4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4665206899 ± 6.55e-04
Semi-major axis (a)2.0684606587 AU ± 2.68e-03
Inclination (i)6.38026208° ± 7.00e-03
Long. of Asc. Node (Ω)275.98658550° ± 1.04e-02
Arg. of Perihelion (ω)357.68794567° ± 2.24e-02
Mean Anomaly (M)293.79886711° ± 1.32e+00
Mean Motion (n)0.3313152134°/day ± 6.45e-04
Perihelion dist (q)1.10348097 AU ± 1.97e-03
Aphelion dist (Q)3.03344035 AU ± 4.16e-03
Orbital Period2.97488990 yr ± 5.79e-03
Physical Parameters
H (abs. magnitude)24.10
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.103″
Uncertainty4
Orbit TypeAmor
MOID0.085735 AU
Observations Used15
Oppositions1
Arc Total2020-2020
First Observation Used2020-07-20
Last Observation Used2020-07-25
Observations (15)
Date Type RA Dec Mag Band Observatory
2020-07-20 10:39:34 C 21 09 21.801 +05 24 47.39 – V F52
2020-07-20 10:55:24 C 21 09 22.413 +05 25 07.42 – V F52
2020-07-20 11:11:18 C 21 09 23.046 +05 25 27.57 – V F52
2020-07-25 12:31:49 C 21 14 53.666 +07 31 46.41 – U F52
2020-07-25 12:48:30 C 21 14 54.060 +07 32 00.18 – U F52
2020-07-25 13:05:11 C 21 14 54.476 +07 32 14.09 – U F52
2020-07-25 13:21:52 C 21 14 54.895 +07 32 27.93 – U F52
2020-07-25 21:36:04 C 21 15 16.35 +07 38 52.0 – V 033
2020-07-25 21:41:13 C 21 15 16.51 +07 38 56.3 – V 033
2020-07-25 21:46:23 C 21 15 16.65 +07 39 00.6 – V 033
2020-07-25 22:40:13 C 21 15 18.22 +07 39 48.9 – V L01
2020-07-25 22:44:43 C 21 15 18.34 +07 39 52.5 – V L01
2020-07-25 22:49:13 C 21 15 18.45 +07 39 56.2 – V L01
2020-07-25 22:58:59 C 21 15 18.70 +07 40 04.0 – V L01
2020-07-25 23:06:19 C 21 15 18.89 +07 40 10.2 – V L01