IAA RAS IAA Minor Planet Database

2020 QR4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3181817924 ± 5.91e-04
Semi-major axis (a)0.8457514866 AU ± 1.46e-04
Inclination (i)17.99561362° ± 6.15e-02
Long. of Asc. Node (Ω)328.32154285° ± 3.04e-03
Arg. of Perihelion (ω)160.73795888° ± 4.25e-03
Mean Anomaly (M)123.43024465° ± 6.75e-01
Mean Motion (n)1.2672086285°/day ± 3.28e-04
Perihelion dist (q)0.57664876 AU ± 5.09e-04
Aphelion dist (Q)1.11485421 AU ± 5.35e-04
Orbital Period0.77779322 yr ± 2.01e-04
Physical Parameters
H (abs. magnitude)24.40
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.477″
Uncertainty3
Orbit TypeAten
MOID0.064479 AU
Observations Used19
Oppositions1
Arc Total2020-2020
First Observation Used2020-08-14
Last Observation Used2020-08-26
Observations (19)
Date Type RA Dec Mag Band Observatory
2020-08-14 11:06:41 C 23 01 03.023 -29 02 10.98 – V F51
2020-08-14 11:23:11 C 23 00 53.871 -29 01 37.67 – V F51
2020-08-14 11:39:40 C 23 00 44.735 -29 01 03.94 – V F51
2020-08-22 07:35:07 C 21 03 26.025 -17 18 24.37 – V F51
2020-08-22 07:48:50 C 21 03 16.563 -17 17 12.01 – V F51
2020-08-22 08:03:17 C 21 03 06.572 -17 15 56.38 – V F51
2020-08-23 08:24:30 C 20 47 06.055 -15 03 19.62 – U F52
2020-08-23 08:42:12 C 20 46 53.981 -15 01 41.46 – V F52
2020-08-23 08:59:51 C 20 46 41.984 -15 00 03.68 – V F52
2020-08-23 09:17:30 C 20 46 29.944 -14 58 25.61 – U F52
2020-08-23 21:16:36 C 20 38 47.67 -13 52 02.4 – V 033
2020-08-23 21:16:36 C 20 38 47.78 -13 52 02.9 – V 033
2020-08-23 21:18:01 C 20 38 46.76 -13 51 54.5 – V 033
2020-08-23 21:18:01 C 20 38 46.84 -13 51 55.1 – V 033
2020-08-23 21:21:22 C 20 38 44.53 -13 51 35.7 – V 033
2020-08-26 04:05:33 C 20 05 15.07 -08 41 16.7 – V I52
2020-08-26 04:06:59 C 20 05 14.19 -08 41 10.6 – V I52
2020-08-26 04:08:24 C 20 05 13.37 -08 41 01.6 – V I52
2020-08-26 04:09:50 C 20 05 12.55 -08 40 54.0 – V I52