2015 SD

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2656781595 ± 2.90e-07
Semi-major axis (a)0.8614694046 AU ± 1.45e-09
Inclination (i)20.08174023° ± 6.09e-05
Long. of Asc. Node (Ω)176.24226232° ± 1.98e-06
Arg. of Perihelion (ω)350.92016769° ± 1.04e-04
Mean Anomaly (M)93.47268741° ± 1.76e-04
Mean Motion (n)1.2326860728°/day ± 3.10e-09
Perihelion dist (q)0.63259580 AU ± 2.50e-07
Aphelion dist (Q)1.09034301 AU ± 2.50e-07
Orbital Period0.79957607 yr ± 2.01e-09
NGA Modelr2
A2-3.81008284e-13 ± 4.44e-15 AU/d²
Physical Parameters
H (abs. magnitude)24.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.239″
Uncertainty0
Orbit TypeAten
MOID0.078244 AU
Observations Used96
Oppositions3
Arc Total2011-2023
First Observation Used2011-09-06
Last Observation Used2023-09-20
Observations (106)
Date Type RA Dec Mag Band Observatory
2023-09-20 06:31:53 C 00 04 13.692 -03 16 58.33 V G96
2023-09-20 06:40:05 C 00 04 12.014 -03 18 26.46 V G96
2023-09-20 08:37:28 C 00 03 47.948 -03 39 24.80 V I52
2023-09-20 08:37:43 C 00 03 47.891 -03 39 26.89 V I52
2023-09-20 08:37:58 C 00 03 47.869 -03 39 29.48 V I52
2023-09-20 08:38:12 C 00 03 47.822 -03 39 32.08 V I52