Orbital elements
- Semi-major axis
- -924.977 AU
- Eccentricity
- 1.0036
- Inclination
- 76.7°
- Perihelion
- 3.333 AU
- Longitude of ascending node
- 198.34°
- Argument of periapsis
- 194.71°
- Epoch · J2000
- JD 2447179.18197 (perihelion)
- Orbit class · HYP
- Hyperbolic comet
- Earth MOID · 918.4 LD
- 2.3598 AU
Orbit quality
- Observations used
- 33
- Data arc
- 2.6 years
- First observed
- 24 September 1987
- Last observed
- 29 April 1990
- Residual RMS
- 0.54 ″
- Solution · Otto Matic
- 15 April 2021
Visual & observation
- Absolute magnitude (H)
- 9.2
- Total magnitude M₁ · K₁ 10
- 9.2
Discovery & classification
Also known as 1987 W3
Named
Sources
- visual properties: JPL SBDB (lookup)
- visual properties: JPL SBDB (lookup)
- orbital elements: JPL SBDB