IAA RAS IAA Minor Planet Database

2020 SQ4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5892449775 ± 5.23e+02
Semi-major axis (a)2.0543150740 AU ± 2.42e+03
Inclination (i)0.96950683° ± 7.77e+02
Long. of Asc. Node (Ω)177.98875889° ± 1.09e+03
Arg. of Perihelion (ω)240.93793818° ± 5.06e+02
Mean Anomaly (M)256.85264297° ± 1.01e+06
Mean Motion (n)0.3346389400°/day ± 5.93e+02
Perihelion dist (q)0.84381010 AU ± 1.46e+03
Aphelion dist (Q)3.26562130 AU ± 4.00e+03
Orbital Period2.94528690 yr ± 5.21e+03
Physical Parameters
H (abs. magnitude)28.91
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.448″
Uncertainty3
Orbit TypeApollo
MOID0.001674 AU
Observations Used20
Oppositions1
Arc Total2020-2020
First Observation Used—
Last Observation Used2020-09-25
Observations (20)
Date Type RA Dec Mag Band Observatory
2020-09-23 07:11:59 C 23 08 06.04 -06 30 59.8 – V G96
2020-09-23 07:26:42 C 23 08 08.21 -06 31 24.3 – V G96
2020-09-23 07:34:49 C 23 08 09.42 -06 31 37.4 – V G96
2020-09-23 07:42:57 C 23 08 10.72 -06 31 51.1 – V G96
2020-09-23 09:26:49 C 23 08 27.70 -06 34 39.0 – V G96
2020-09-23 09:28:54 C 23 08 28.06 -06 34 42.5 – V G96
2020-09-23 09:31:00 C 23 08 28.43 -06 34 46.0 – V G96
2020-09-23 09:33:04 C 23 08 28.81 -06 34 48.8 – V G96
2020-09-24 06:22:40 C 23 15 34.90 -07 23 25.8 – V G96
2020-09-24 06:24:45 C 23 15 35.58 -07 23 31.7 – V G96
2020-09-24 06:26:50 C 23 15 36.30 -07 23 39.1 – V G96
2020-09-24 21:51:24 C 23 24 59.43 -08 29 34.5 – V J95
2020-09-24 22:44:43 C 23 25 37.39 -08 34 39.4 – V J95
2020-09-25 03:34:27 C 23 30 20.80 -09 04 10.8 – u H21
2020-09-25 03:38:38 C 23 30 24.64 -09 04 41.0 – u H21
2020-09-25 03:40:19 C 23 30 41.31 -09 03 29.7 – V I52
2020-09-25 03:42:06 C 23 30 42.89 -09 03 43.1 – V I52
2020-09-25 03:43:52 C 23 30 44.60 -09 03 56.6 – V I52
2020-09-25 03:45:38 C 23 30 31.06 -09 05 32.7 – u H21
2020-09-25 03:45:38 C 23 30 46.20 -09 04 09.8 – V I52