308899 (2006 SL198)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3736583140 ± 2.34e-08
Semi-major axis (a)1.7995336764 AU ± 1.94e-09
Inclination (i)16.54622888° ± 3.03e-06
Long. of Asc. Node (Ω)173.20080932° ± 8.22e-06
Arg. of Perihelion (ω)213.22707551° ± 9.81e-06
Mean Anomaly (M)318.03417956° ± 3.48e-06
Mean Motion (n)0.4082933519°/day ± 6.60e-10
Perihelion dist (q)1.12712296 AU ± 4.21e-08
Aphelion dist (Q)2.47194440 AU ± 4.22e-08
Orbital Period2.41401502 yr ± 3.90e-09
Physical Parameters
H (abs. magnitude)18.31
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.263″
Uncertainty0
Orbit TypeAmor
MOID0.157363 AU
Observations Used322
Oppositions11
Arc Total2006-2025
First Observation Used2006-09-29
Last Observation Used2025-06-19
Observations (354)
Date Type RA Dec Mag Band Observatory
2025-06-19 07:12:58 C 15 29 10.145 +08 06 48.18 X F51
2025-06-19 07:32:14 C 15 29 09.408 +08 06 46.93 X F51
2025-06-19 07:50:44 C 15 29 08.700 +08 06 45.42 X F51
2025-06-19 08:11:22 C 15 29 07.906 +08 06 43.66 X F51