2017 SD12

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3628209751 ± 2.00e+00
Semi-major axis (a)1.5205563469 AU ± 3.00e+00
Inclination (i)6.94833419° ± 4.00e+00
Long. of Asc. Node (Ω)178.55024620° ± 5.00e+00
Arg. of Perihelion (ω)145.68156774° ± 6.00e+00
Mean Anomaly (M)143.36340502° ± 1.13e-01
Mean Motion (n)0.5256725300°/day ± 1.56e+00
Perihelion dist (q)0.96886760 AU ± 3.59e+00
Aphelion dist (Q)2.07217520 AU ± 5.10e+00
Orbital Period1.87494620 yr ± 5.55e+00
Physical Parameters
H (abs. magnitude)25.18
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.344″
Uncertainty3
Orbit TypeApollo
MOID0.005970 AU
Observations Used109
Oppositions1
Arc Total2017-2017
First Observation Used
Last Observation Used2017-10-01
Observations (114)
Date Type RA Dec Mag Band Observatory
2017-09-24 07:02:56 C 01 17 45.69 -08 58 41.4 q W25
2017-09-24 07:58:05 C 01 18 16.95 -09 02 25.1 q W25
2017-09-25 08:38:07 C 01 31 44.83 -10 24 47.0 q I52
2017-09-25 08:38:43 C 01 31 45.05 -10 24 48.7 q I52
2017-09-25 08:39:19 C 01 31 45.27 -10 24 50.4 q I52
2017-09-25 08:39:55 C 01 31 45.50 -10 24 52.0 q I52
2017-09-30 08:53:13 C 02 01 22.34 -13 15 29.7 q I52
2017-09-30 08:54:19 C 02 01 22.44 -13 15 30.3 q I52
2017-09-30 08:55:25 C 02 01 22.54 -13 15 31.0 q I52
2017-09-30 08:56:30 C 02 01 22.65 -13 15 32.0 q I52
2017-10-01 12:10:34 C 02 04 31.789 -13 31 32.80 L F51
2017-10-01 12:26:25 C 02 04 32.730 -13 31 40.76 L F51
2017-10-01 12:42:16 C 02 04 33.690 -13 31 48.74 L F51
2017-10-01 12:58:05 C 02 04 34.636 -13 31 56.39 L F51