2025 SD1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2804037658 ± 9.79e-04
Semi-major axis (a)1.4338677829 AU ± 1.75e-03
Inclination (i)8.45595993° ± 1.33e-02
Long. of Asc. Node (Ω)168.02174648° ± 1.13e-02
Arg. of Perihelion (ω)212.10203920° ± 1.60e-01
Mean Anomaly (M)22.99075264° ± 1.08e-01
Mean Motion (n)0.5740485389°/day ± 1.05e-03
Perihelion dist (q)1.03180586 AU ± 1.89e-03
Aphelion dist (Q)1.83592971 AU ± 2.65e-03
Orbital Period1.71697377 yr ± 3.15e-03
Physical Parameters
H (abs. magnitude)26.28
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.188″
Uncertainty3
Orbit TypeAmor
MOID0.050043 AU
Observations Used9
Oppositions1
Arc Total2025-2025
First Observation Used2025-09-17
Last Observation Used2025-09-18
Observations (9)
Date Type RA Dec Mag Band Observatory
2025-09-17 10:32:45 C 00 04 25.225 -20 31 20.30 X F51
2025-09-17 10:49:10 C 00 04 32.614 -20 33 00.53 X F51
2025-09-17 11:35:36 C 00 04 53.513 -20 37 42.14 X F51
2025-09-17 12:58:28 C 00 05 31.254 -20 45 59.42 V F51
2025-09-17 13:00:19 C 00 05 32.075 -20 46 10.24 V F51
2025-09-17 13:01:15 C 00 05 32.535 -20 46 16.18 V F51
2025-09-18 04:30:44 C 00 13 33.850 -22 18 18.60 V 807
2025-09-18 04:45:46 C 00 13 40.950 -22 19 50.50 V 807
2025-09-18 05:00:50 C 00 13 48.040 -22 21 21.60 V 807