2023 SM4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2940665288 ± 9.90e+00
Semi-major axis (a)1.4737209751 AU ± 3.35e+01
Inclination (i)25.54194853° ± 3.87e+02
Long. of Asc. Node (Ω)359.09825786° ± 6.13e+02
Arg. of Perihelion (ω)331.51447850° ± 1.16e+03
Mean Anomaly (M)90.99513399° ± 1.46e+04
Mean Motion (n)0.5510461200°/day ± 1.88e+01
Perihelion dist (q)1.04036000 AU ± 2.78e+01
Aphelion dist (Q)1.90659880 AU ± 4.58e+01
Orbital Period1.78861180 yr ± 6.10e+01
Physical Parameters
H (abs. magnitude)25.64
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.496″
Uncertainty4
Orbit TypeAmor
MOID0.061718 AU
Observations Used21
Oppositions1
Arc Total2023-2023
First Observation Used
Last Observation Used2023-09-24
Observations (22)
Date Type RA Dec Mag Band Observatory
2023-09-20 07:36:50 C 01 00 30.193 -06 03 37.73 V G96
2023-09-20 07:44:20 C 01 00 25.621 -06 01 37.74 V G96
2023-09-20 07:59:19 C 01 00 16.420 -05 57 34.24 V G96
2023-09-20 09:33:30 C 00 59 18.910 -05 32 16.94 V I52
2023-09-20 09:35:50 C 00 59 17.527 -05 31 39.40 V I52
2023-09-20 09:38:09 C 00 59 16.080 -05 31 02.17 V I52
2023-09-20 09:40:28 C 00 59 14.662 -05 30 24.59 V I52
2023-09-20 11:09:24 C 00 58 20.596 -05 06 32.65 V H01
2023-09-20 11:16:21 C 00 58 16.419 -05 04 40.46 V H01
2023-09-20 11:32:55 C 00 58 06.522 -05 00 13.31 V H01
2023-09-20 11:40:27 C 00 58 02.017 -04 58 12.01 V H01
2023-09-20 23:11:29 C 00 51 35.00 -01 54 06.4 X 033
2023-09-20 23:12:28 C 00 51 34.41 -01 53 50.7 X 033
2023-09-20 23:13:28 C 00 51 33.83 -01 53 34.5 X 033
2023-09-22 21:25:11 C 00 26 27.439 +09 46 45.80 V J95
2023-09-22 21:26:39 B 00 26 27.08 +09 47 18.5 V I93
2023-09-22 21:40:52 B 00 26 19.41 +09 50 40.3 V I93
2023-09-22 21:44:53 C 00 26 16.829 +09 51 25.24 V J95
2023-09-22 21:52:29 B 00 26 13.07 +09 53 24.7 V I93
2023-09-24 21:42:42 C 00 02 32.51 +20 01 12.3 X L51
2023-09-24 21:44:58 C 00 02 31.52 +20 01 37.6 X L51
2023-09-24 21:47:13 C 00 02 30.47 +20 02 02.4 X L51