1I/`Oumuamua

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2017-09-04 (JD 2458000.5)
Eccentricity (e)1.1992520000
Semi-major axis (a)-1.2809909060 AU
Inclination (i)122.67780000°
Long. of Asc. Node (Ω)24.59970000°
Arg. of Perihelion (ω)241.68450000°
Mean Anomaly (M)0.00000000°
Mean Motion (n)—°/day
Perihelion dist (q)0.25524000 AU
Aphelion dist (Q)— AU
Orbital Period— yr
Physical Parameters
H (abs. magnitude)23.00
G (slope)2.00
Orbit Solution
SourceMPC
Solution Date
RMS Residual—″
Uncertainty
Orbit TypeI
MOID0.095413 AU
Observations Used
Oppositions
Arc Total
First Observation Used
Last Observation Used