474163 (1999 SO5)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.0645067428 ± 2.00e+00
Semi-major axis (a)1.0850682702 AU ± 3.00e+00
Inclination (i)13.36941012° ± 4.00e+00
Long. of Asc. Node (Ω)196.00875390° ± 5.00e+00
Arg. of Perihelion (ω)359.87496391° ± 6.00e+00
Mean Anomaly (M)203.32652395° ± 1.17e-05
Mean Motion (n)0.8720204709°/day ± 3.62e+00
Perihelion dist (q)1.01507405 AU ± 3.55e+00
Aphelion dist (Q)1.15506249 AU ± 3.86e+00
Orbital Period1.13027884 yr ± 4.69e+00
NGA Modelr2
A2-5.67459054e-06 AU/d²
Physical Parameters
H (abs. magnitude)20.81
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-27
RMS Residual0.374″
Uncertainty0
Orbit TypeApollo
MOID0.014222 AU
Observations Used341
Oppositions3
Arc Total1999-2025
First Observation Used1999-09-29
Last Observation Used2025-10-06
Observations (358)
Date Type RA Dec Mag Band Observatory
2025-08-20 09:27:40 C 19 19 42.526 +42 09 21.24 V T05
2025-08-20 09:39:36 C 19 19 42.691 +42 08 57.16 V T05
2025-08-22 21:32:09 B 19 21 35.741 +40 09 35.71 q Y84
2025-08-22 21:36:32 B 19 21 35.868 +40 09 27.00 q Y84
2025-08-22 21:40:52 B 19 21 35.969 +40 09 17.93 q Y84
2025-10-06 07:49:40 C 20 44 35.387 -02 54 52.35 X F51
2025-10-06 08:07:44 C 20 44 37.244 -02 55 27.54 X F51
2025-10-06 08:43:49 C 20 44 40.956 -02 56 37.80 X F51