Orbital elements
- Semi-major axis
- -2,336.349 AU
- Eccentricity
- 1.0004
- Inclination
- 96.58°
- Perihelion
- 0.921 AU
- Longitude of ascending node
- 17.12°
- Argument of periapsis
- 95.25°
- Epoch · J2000
- JD 2446782.02901 (perihelion)
- Orbit class · HYP
- Hyperbolic comet
- Earth MOID · 185.4 LD
- 0.4764 AU
Orbit quality
- Observations used
- 62
- Data arc
- 136 days
- First observed
- 8 January 1987
- Last observed
- 24 May 1987
- Residual RMS
- 0.83 ″
- Solution · Otto Matic
- 15 April 2021
Visual & observation
- Absolute magnitude (H)
- 10.8
- Total magnitude M₁ · K₁ 21.3
- 10.8
Discovery & classification
Also known as 1987 A1
Named
Sources
- visual properties: JPL SBDB (lookup)
- visual properties: JPL SBDB (lookup)
- orbital elements: JPL SBDB