857541 (2012 QG8)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5134956908 ± 1.06e-08
Semi-major axis (a)2.5472891984 AU ± 7.92e-09
Inclination (i)0.20354094° ± 5.94e-07
Long. of Asc. Node (Ω)131.41960412° ± 3.80e-04
Arg. of Perihelion (ω)92.88103114° ± 3.80e-04
Mean Anomaly (M)136.55309845° ± 2.29e-06
Mean Motion (n)0.2424347637°/day ± 1.13e-09
Perihelion dist (q)1.23926717 AU ± 2.74e-08
Aphelion dist (Q)3.85531123 AU ± 2.96e-08
Orbital Period4.06553197 yr ± 1.90e-08
Physical Parameters
H (abs. magnitude)19.12
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.184″
Uncertainty0
Orbit TypeAmor
MOID0.229986 AU
Observations Used520
Oppositions9
Arc Total2012-2024
First Observation Used2012-08-17
Last Observation Used2024-07-12
Observations (560)
Date Type RA Dec Mag Band Observatory
2024-07-03 05:38:00 C 16 15 23.813 -20 50 39.73 V U52
2024-07-04 19:10:14 B 16 18 34.022 -20 59 10.57 Z M49
2024-07-04 19:20:29 B 16 18 34.858 -20 59 13.24 Z M49
2024-07-06 08:21:18 C 16 21 40.796 -21 07 53.00 X F52
2024-07-06 08:32:42 C 16 21 41.691 -21 07 55.49 X F52
2024-07-06 08:44:03 C 16 21 42.580 -21 07 57.98 X F52
2024-07-06 08:55:25 C 16 21 43.469 -21 08 00.43 X F52
2024-07-12 21:17:59 B 16 34 45.502 -21 40 21.65 Z M49
2024-07-12 21:23:06 B 16 34 45.895 -21 40 21.83 Z M49
2024-07-12 21:28:14 B 16 34 46.318 -21 40 23.70 Z M49