2025 ST4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4541418626 ± 9.34e-05
Semi-major axis (a)1.6093112345 AU ± 2.41e-04
Inclination (i)6.49927351° ± 1.01e-03
Long. of Asc. Node (Ω)179.97326353° ± 1.58e-05
Arg. of Perihelion (ω)126.62408548° ± 2.23e-04
Mean Anomaly (M)48.05384128° ± 1.17e-02
Mean Motion (n)0.4827832695°/day ± 1.08e-04
Perihelion dist (q)0.87845563 AU ± 2.00e-04
Aphelion dist (Q)2.34016684 AU ± 3.81e-04
Orbital Period2.04155021 yr ± 4.59e-04
Physical Parameters
H (abs. magnitude)29.00
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.193″
Uncertainty2
Orbit TypeApollo
MOID0.000062 AU
Observations Used29
Oppositions1
Arc Total2025-2025
First Observation Used2025-09-23
Last Observation Used2025-09-25
Observations (30)
Date Type RA Dec Mag Band Observatory
2025-09-23 09:02:16 C 01 39 06.250 -01 27 52.76 U I41
2025-09-23 09:02:46 C 01 39 06.017 -01 28 12.18 U I41
2025-09-23 09:22:11 C 01 38 44.632 -01 40 24.31 V G96
2025-09-23 09:29:35 C 01 38 42.090 -01 44 57.73 V G96
2025-09-23 09:44:24 C 01 38 37.151 -01 54 04.97 V G96
2025-09-23 10:06:11 C 01 38 30.394 -02 06 55.37 V G96
2025-09-23 10:06:20 C 01 38 30.347 -02 07 00.44 V G96
2025-09-23 10:06:29 C 01 38 30.304 -02 07 05.70 V G96
2025-09-23 10:06:37 C 01 38 30.264 -02 07 10.60 V G96
2025-09-23 10:06:49 C 01 38 30.203 -02 07 17.51 V G96
2025-09-23 10:07:01 C 01 38 30.145 -02 07 24.24 V G96
2025-09-23 10:07:13 C 01 38 30.084 -02 07 30.94 V G96
2025-09-23 10:07:25 C 01 38 30.030 -02 07 38.21 V G96
2025-09-23 10:23:24 C 01 38 44.758 -02 18 59.03 V U74
2025-09-23 10:29:08 C 01 38 43.128 -02 22 06.06 V U74
2025-09-23 11:52:59 C 01 38 24.233 -03 03 26.67 V U74
2025-09-23 11:57:45 C 01 38 23.529 -03 05 35.47 V U74
2025-09-23 20:45:10 B 01 40 47.86 -05 41 46.2 X M75
2025-09-23 20:57:48 B 01 40 45.48 -05 44 08.6 X M75
2025-09-23 21:10:14 B 01 40 43.18 -05 46 28.0 X M75
2025-09-23 23:41:58 C 01 40 28.85 -06 11 57.0 Z L04
2025-09-23 23:54:28 C 01 40 26.56 -06 13 49.2 Z L04
2025-09-24 00:11:57 C 01 40 23.41 -06 16 22.8 Z L04
2025-09-24 08:53:28 C 01 40 45.023 -07 11 55.93 V G96
2025-09-24 09:00:51 C 01 40 43.633 -07 12 34.13 V G96
2025-09-24 09:08:14 C 01 40 42.269 -07 13 11.75 V G96
2025-09-24 09:15:37 C 01 40 40.948 -07 13 49.51 V G96
2025-09-25 11:09:56 C 01 41 13.612 -08 30 02.99 X F51
2025-09-25 11:30:37 C 01 41 10.867 -08 30 40.52 X F51
2025-09-25 12:12:27 C 01 41 05.376 -08 31 53.45 X F51