Asteroid
'Oumuamua
'Oumuamua (A/2017 U1)
Orbital elements
- Semi-major axis
- -1.272 AU
- Eccentricity
- 1.2011
- Inclination
- 122.74°
- Perihelion
- 0.256 AU
- Aphelion
- -2.801 AU
- Longitude of ascending node
- 24.6°
- Argument of periapsis
- 241.81°
- Epoch · J2000
- 2458080.5
Physical properties
- Rotation period
- 7.94 hours
Visual & observation
- Absolute magnitude (H)
- 22.08
- Spectral type
- HYA
Discovery & classification
Named