2023 SL4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3054422738 ± 1.71e-04
Semi-major axis (a)1.3668647410 AU ± 2.98e-04
Inclination (i)3.47690024° ± 1.60e-03
Long. of Asc. Node (Ω)183.41614360° ± 3.21e-04
Arg. of Perihelion (ω)125.88096948° ± 1.58e-03
Mean Anomaly (M)154.61746234° ± 1.69e-01
Mean Motion (n)0.6167710278°/day ± 2.02e-04
Perihelion dist (q)0.94936647 AU ± 3.12e-04
Aphelion dist (Q)1.78436302 AU ± 4.54e-04
Orbital Period1.59804245 yr ± 5.22e-04
Physical Parameters
H (abs. magnitude)26.74
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.203″
Uncertainty3
Orbit TypeApollo
MOID0.012942 AU
Observations Used30
Oppositions1
Arc Total2023-2023
First Observation Used2023-09-20
Last Observation Used2023-10-04
Observations (30)
Date Type RA Dec Mag Band Observatory
2023-09-20 06:39:30 C 00 31 13.27 +19 43 53.3 V I41
2023-09-20 08:08:32 C 00 31 42.89 +19 29 38.2 V I41
2023-09-20 09:41:09 C 00 32 12.94 +19 14 48.1 V I41
2023-09-21 00:09:27 C 00 37 36.38 +17 06 17.2 V K88
2023-09-21 00:13:44 C 00 37 37.59 +17 05 41.7 V K88
2023-09-21 00:18:00 C 00 37 38.77 +17 05 06.7 V K88
2023-09-21 00:50:44 C 00 37 47.82 +17 00 38.2 o K88
2023-09-21 00:55:00 C 00 37 48.96 +17 00 03.2 o K88
2023-09-21 00:59:16 C 00 37 50.18 +16 59 28.6 o K88
2023-09-21 01:36:26 C 00 38 00.55 +16 54 23.9 o K88
2023-09-21 01:38:15 C 00 38 03.18 +16 53 59.7 X 033
2023-09-21 01:39:00 C 00 38 03.35 +16 53 53.4 X 033
2023-09-21 01:39:44 C 00 38 03.60 +16 53 47.6 X 033
2023-09-21 01:40:20 C 00 38 01.66 +16 53 51.5 o K88
2023-09-21 01:40:33 C 00 38 03.83 +16 53 41.0 X 033
2023-09-21 01:44:13 C 00 38 02.72 +16 53 19.7 o K88
2023-09-22 05:30:25 C 00 46 10.65 +13 38 44.9 X 858
2023-09-22 05:34:27 C 00 46 11.40 +13 38 20.4 X 858
2023-09-22 05:38:30 C 00 46 12.17 +13 37 56.2 X 858
2023-09-22 06:47:53 C 00 46 20.14 +13 30 40.9 u H21
2023-09-22 06:51:56 C 00 46 20.86 +13 30 16.4 u H21
2023-09-22 06:55:58 C 00 46 21.59 +13 29 51.5 u H21
2023-09-22 07:00:17 C 00 46 22.35 +13 29 25.2 u H21
2023-09-22 20:20:35 B 00 49 32.97 +12 12 18.0 V I93
2023-09-22 20:29:57 B 00 49 34.66 +12 11 29.4 V I93
2023-09-22 20:38:41 B 00 49 36.25 +12 10 42.7 V I93
2023-10-04 07:03:03 C 01 12 22.313 +01 12 54.36 V I52
2023-10-04 07:16:01 C 01 12 22.331 +01 12 41.18 V I52
2023-10-04 07:28:58 C 01 12 22.374 +01 12 27.94 V I52
2023-10-04 07:41:55 C 01 12 22.396 +01 12 15.01 V I52