IAA RAS IAA Minor Planet Database

2023 SD4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4416117418 ± 1.95e-03
Semi-major axis (a)2.1969633281 AU ± 9.19e-03
Inclination (i)4.87475845° ± 1.71e-02
Long. of Asc. Node (Ω)180.46976708° ± 5.15e-03
Arg. of Perihelion (ω)183.31232078° ± 2.29e-02
Mean Anomaly (M)238.22697236° ± 1.49e+00
Mean Motion (n)0.3026760548°/day ± 1.90e-03
Perihelion dist (q)1.22675853 AU ± 6.69e-03
Aphelion dist (Q)3.16716813 AU ± 1.39e-02
Orbital Period3.25637350 yr ± 2.04e-02
Physical Parameters
H (abs. magnitude)24.22
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.274″
Uncertainty4
Orbit TypeAmor
MOID0.222223 AU
Observations Used18
Oppositions1
Arc Total2023-2023
First Observation Used2023-09-19
Last Observation Used2023-10-03
Observations (19)
Date Type RA Dec Mag Band Observatory
2023-09-19 06:41:23 C 00 22 41.981 +03 48 34.92 – V G96
2023-09-19 06:48:53 C 00 22 42.481 +03 48 30.71 – V G96
2023-09-19 06:56:22 C 00 22 43.079 +03 48 26.60 – V G96
2023-09-19 07:03:51 C 00 22 43.676 +03 48 22.97 – V G96
2023-09-19 09:20:06 C 00 22 54.181 +03 47 11.72 – V I52
2023-09-19 09:27:55 C 00 22 54.754 +03 47 07.04 – V I52
2023-09-19 09:35:42 C 00 22 55.369 +03 47 03.70 – V I52
2023-09-19 09:43:30 C 00 22 55.978 +03 46 59.05 – V I52
2023-09-20 05:45:21 C 00 24 41.965 +03 36 27.32 – V V06
2023-09-20 05:48:11 C 00 24 42.170 +03 36 25.78 – V V06
2023-09-20 05:51:00 C 00 24 42.397 +03 36 24.12 – V V06
2023-09-20 05:53:50 C 00 24 42.595 +03 36 22.93 – V V06
2023-09-21 05:53:12 C 00 26 46.381 +03 23 32.06 – V I52
2023-09-21 06:01:01 C 00 26 46.943 +03 23 28.75 – V I52
2023-09-21 06:08:49 C 00 26 47.587 +03 23 23.89 – V I52
2023-10-03 09:35:38 C 00 50 33.500 +00 40 55.70 – V I52
2023-10-03 09:46:25 C 00 50 34.249 +00 40 49.91 – V I52
2023-10-03 09:55:49 C 00 50 34.861 +00 40 44.94 – V I52
2023-10-03 10:05:14 C 00 50 35.495 +00 40 39.58 – V I52