Orbital elements
- Semi-major axis
- -7,064.946 AU
- Eccentricity
- 1.0001
- Inclination
- 149.38°
- Perihelion
- 0.765 AU
- Longitude of ascending node
- 83.18°
- Argument of periapsis
- 151.05°
- Epoch · J2000
- JD 2451751.66283 (perihelion)
- Orbit class · HYP
- Hyperbolic comet
- Earth MOID · 67.6 LD
- 0.1736 AU
Orbit quality
- Observations used
- 1,230
- Data arc
- 300 days
- First observed
- 27 September 1999
- Last observed
- 23 July 2000
- Residual RMS
- 0.72 ″
- Solution · Otto Matic
- 15 April 2021
Visual & observation
- Absolute magnitude (H)
- 9.6
- Total magnitude M₁ · K₁ 6.5
- 9.6
Discovery & classification
Also known as 1999 S4
Named
Sources
- visual properties: JPL SBDB (lookup)
- visual properties: JPL SBDB (lookup)
- orbital elements: JPL SBDB