2012 SL8

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4524445692 ± 2.73e-07
Semi-major axis (a)1.2825023509 AU ± 1.17e-08
Inclination (i)17.54764968° ± 3.16e-05
Long. of Asc. Node (Ω)355.80324621° ± 1.53e-05
Arg. of Perihelion (ω)136.71236747° ± 2.26e-05
Mean Anomaly (M)288.97516374° ± 3.59e-05
Mean Motion (n)0.6786174475°/day ± 9.28e-09
Perihelion dist (q)0.70224113 AU ± 3.50e-07
Aphelion dist (Q)1.86276357 AU ± 3.50e-07
Orbital Period1.45240339 yr ± 1.99e-08
Physical Parameters
H (abs. magnitude)20.84
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.327″
Uncertainty0
Orbit TypeApollo
MOID0.174717 AU
Observations Used58
Oppositions4
Arc Total2012-2025
First Observation Used2012-09-16
Last Observation Used2025-09-15
Observations (58)
Date Type RA Dec Mag Band Observatory
2015-09-27 07:13:58 C 01 59 41.22 +32 16 13.5 t 705
2015-09-27 07:15:49 C 01 59 41.07 +32 16 17.1 t 705
2015-11-05 02:08:51 C 18 47 07.91 +62 40 28.1 u 926
2015-11-05 02:19:43 C 18 47 01.29 +62 39 56.4 u 926
2015-11-05 02:30:34 C 18 46 54.56 +62 39 25.5 u 926
2025-09-15 02:14:47 C 22 13 03.460 -21 53 30.10 V 807
2025-09-15 02:30:42 C 22 13 01.730 -21 53 27.60 V 807
2025-09-15 02:46:37 C 22 13 00.000 -21 53 25.10 V 807