IAA RAS IAA Minor Planet Database

2023 SO4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2289662885 ± 2.06e-04
Semi-major axis (a)1.3037847203 AU ± 3.46e-04
Inclination (i)7.98284610° ± 5.52e-03
Long. of Asc. Node (Ω)358.09828328° ± 1.60e-04
Arg. of Perihelion (ω)328.48148332° ± 1.61e-03
Mean Anomaly (M)183.63406852° ± 2.17e-01
Mean Motion (n)0.6620692930°/day ± 2.64e-04
Perihelion dist (q)1.00526197 AU ± 3.79e-04
Aphelion dist (Q)1.60230747 AU ± 5.03e-04
Orbital Period1.48870563 yr ± 5.93e-04
Physical Parameters
H (abs. magnitude)27.52
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.262″
Uncertainty3
Orbit TypeApollo
MOID0.021912 AU
Observations Used19
Oppositions1
Arc Total2023-2023
First Observation Used2023-09-20
Last Observation Used2023-09-26
Observations (20)
Date Type RA Dec Mag Band Observatory
2023-09-20 06:12:45 C 00 15 54.475 -05 51 52.38 – V G96
2023-09-20 06:20:58 C 00 15 53.532 -05 49 44.15 – V G96
2023-09-20 06:29:10 C 00 15 52.402 -05 47 33.29 – V G96
2023-09-20 06:37:22 C 00 15 51.361 -05 45 23.69 – V G96
2023-09-20 08:56:43 C 00 15 33.448 -05 08 59.89 – V I52
2023-09-20 08:57:10 C 00 15 33.372 -05 08 52.26 – V I52
2023-09-20 09:00:42 C 00 15 32.929 -05 07 57.97 – V I52
2023-09-20 09:01:09 C 00 15 32.893 -05 07 50.34 – V I52
2023-09-20 20:59:19 C 00 15 12.42 -02 08 52.5 – X 033
2023-09-20 21:00:30 C 00 15 12.30 -02 08 35.2 – X 033
2023-09-20 21:01:41 C 00 15 12.20 -02 08 18.1 – X 033
2023-09-20 22:02:16 B 00 15 09.75 -01 53 18.8 – V I93
2023-09-20 22:14:33 B 00 15 08.52 -01 50 21.0 – V I93
2023-09-20 22:22:53 B 00 15 07.62 -01 48 21.3 – V I93
2023-09-22 22:43:21 C 00 13 08.021 +08 13 59.34 – V J95
2023-09-22 22:56:58 C 00 13 06.922 +08 16 24.56 – V J95
2023-09-26 09:57:18 C 00 10 33.283 +19 43 11.21 – V G96
2023-09-26 10:05:30 C 00 10 32.732 +19 44 01.50 – V G96
2023-09-26 10:13:41 C 00 10 32.250 +19 44 51.04 – V G96
2023-09-26 10:21:51 C 00 10 31.775 +19 45 40.97 – V G96