IAA RAS IAA Minor Planet Database

2020 OK4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3110298522 ± 5.52e-04
Semi-major axis (a)1.2232362297 AU ± 6.40e-04
Inclination (i)1.27450875° ± 1.87e-03
Long. of Asc. Node (Ω)35.58752633° ± 7.66e-02
Arg. of Perihelion (ω)178.57705543° ± 7.98e-02
Mean Anomaly (M)30.21606313° ± 1.19e+00
Mean Motion (n)0.7285288807°/day ± 5.72e-04
Perihelion dist (q)0.84277325 AU ± 8.07e-04
Aphelion dist (Q)1.60369921 AU ± 1.08e-03
Orbital Period1.35289940 yr ± 1.06e-03
Physical Parameters
H (abs. magnitude)25.88
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.294″
Uncertainty4
Orbit TypeApollo
MOID0.020519 AU
Observations Used15
Oppositions1
Arc Total2020-2020
First Observation Used2020-07-23
Last Observation Used2020-07-26
Observations (15)
Date Type RA Dec Mag Band Observatory
2020-07-23 09:22:42 C 20 24 48.834 -39 25 37.22 – U F51
2020-07-23 09:49:45 C 20 24 45.380 -39 24 17.63 – U F51
2020-07-23 10:03:15 C 20 24 43.654 -39 23 37.68 – U F51
2020-07-23 13:52:13 C 20 24 20.61 -39 10 15.1 – V 474
2020-07-23 14:00:56 C 20 24 19.65 -39 09 48.2 – V 474
2020-07-23 14:06:03 C 20 24 19.05 -39 09 33.3 – V 474
2020-07-24 01:13:28 C 20 23 27.734 -38 39 28.52 – V J04
2020-07-24 01:28:30 C 20 23 26.042 -38 38 46.35 – V J04
2020-07-24 10:55:58 C 20 22 46.96 -38 10 49.5 – V 474
2020-07-24 11:01:06 C 20 22 46.53 -38 10 36.1 – V 474
2020-07-24 11:06:13 C 20 22 45.99 -38 10 23.2 – V 474
2020-07-26 12:04:04 C 20 19 40.72 -36 13 28.5 – V 474
2020-07-26 12:10:11 C 20 19 40.20 -36 13 15.9 – V 474
2020-07-26 12:23:59 C 20 19 39.14 -36 12 47.0 – V 474
2020-07-26 12:30:48 C 20 19 38.60 -36 12 31.8 – V 474