2025 ST2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5412941584 ± 7.76e-05
Semi-major axis (a)2.3512263801 AU ± 4.17e-04
Inclination (i)6.12413943° ± 5.17e-04
Long. of Asc. Node (Ω)317.12869052° ± 1.18e-03
Arg. of Perihelion (ω)6.01197743° ± 1.19e-03
Mean Anomaly (M)25.60942930° ± 6.82e-03
Mean Motion (n)0.2733824351°/day ± 7.27e-05
Perihelion dist (q)1.07852128 AU ± 2.64e-04
Aphelion dist (Q)3.62393148 AU ± 6.68e-04
Orbital Period3.60530216 yr ± 9.59e-04
Physical Parameters
H (abs. magnitude)23.81
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.150″
Uncertainty1
Orbit TypeAmor
MOID0.064306 AU
Observations Used23
Oppositions1
Arc Total2025-2025
First Observation Used2025-09-17
Last Observation Used2025-10-12
Observations (24)
Date Type RA Dec Mag Band Observatory
2025-09-17 11:48:47 C 22 28 13.167 +22 23 59.44 X F52
2025-09-17 12:07:20 C 22 28 16.300 +22 24 15.52 X F52
2025-09-17 12:25:47 C 22 28 19.415 +22 24 31.57 X F52
2025-09-17 12:44:15 C 22 28 22.586 +22 24 47.23 X F52
2025-09-17 20:01:06 C 22 29 45.89 +22 31 08.3 V L01
2025-09-17 20:04:45 C 22 29 46.46 +22 31 12.3 V L01
2025-09-17 20:08:24 C 22 29 47.10 +22 31 15.0 V L01
2025-09-18 03:45:19 C 22 31 07.78 +22 38 03.6 V H21
2025-09-18 03:53:22 C 22 31 09.08 +22 38 10.5 V H21
2025-09-18 03:57:56 C 22 31 09.81 +22 38 14.6 V H21
2025-09-19 02:31:27 C 22 35 05.20 +22 56 36.5 V H21
2025-09-19 02:43:33 C 22 35 07.11 +22 56 46.0 V H21
2025-09-20 08:27:48 C 22 39 58.598 +23 17 58.26 W H01
2025-09-20 08:32:34 C 22 39 59.307 +23 18 01.17 W H01
2025-09-20 08:51:29 C 22 40 02.152 +23 18 12.52 W H01
2025-09-20 09:03:58 C 22 40 04.040 +23 18 20.02 W H01
2025-09-24 05:32:16 C 22 53 54.29 +24 04 52.9 V 673
2025-09-24 05:38:20 C 22 53 55.04 +24 04 55.3 V 673
2025-09-29 11:25:00 C 23 09 37.407 +24 32 48.62 X F51
2025-09-29 11:43:38 C 23 09 39.374 +24 32 49.47 X F51
2025-09-29 12:02:15 C 23 09 41.305 +24 32 50.40 X F51
2025-09-29 12:20:52 C 23 09 43.240 +24 32 50.95 X F51
2025-10-12 03:33:06 C 23 38 15.89 +24 04 41.2 V H21
2025-10-12 03:43:39 C 23 38 16.70 +24 04 38.4 V H21