Orbital elements
- Semi-major axis
- -1,227.083 AU
- Eccentricity
- 1.0053
- Inclination
- 65.82°
- Perihelion
- 6.468 AU
- Longitude of ascending node
- 74.46°
- Argument of periapsis
- 223.5°
- Epoch · J2000
- JD 2450775.11805 (perihelion)
- Orbit class · HYP
- Hyperbolic comet
- Earth MOID · 2,203.9 LD
- 5.663 AU
Orbit quality
- Observations used
- 88
- Data arc
- 881 days
- First observed
- 19 September 1999
- Last observed
- 16 February 2002
- Residual RMS
- 0.73 ″
- Solution · Otto Matic
- 15 April 2021
Visual & observation
- Absolute magnitude (H)
- 8
- Total magnitude M₁ · K₁ 4.5
- 8
Discovery & classification
Also known as 1999 S2
Named
Sources
- visual properties: JPL SBDB (lookup)
- visual properties: JPL SBDB (lookup)
- orbital elements: JPL SBDB