Orbital elements
- Semi-major axis
- -1,359.868 AU
- Eccentricity
- 1.0004
- Inclination
- 114.88°
- Perihelion
- 0.603 AU
- Longitude of ascending node
- 298.57°
- Argument of periapsis
- 143.83°
- Epoch · J2000
- JD 2447078.02818 (perihelion)
- Orbit class · HYP
- Hyperbolic comet
- Earth MOID · 117.3 LD
- 0.3013 AU
Orbit quality
- Observations used
- 90
- Data arc
- 156 days
- First observed
- 22 August 1987
- Last observed
- 25 January 1988
- Residual RMS
- 0.76 ″
- Solution · Otto Matic
- 15 April 2021
Visual & observation
- Absolute magnitude (H)
- 8.4
- Total magnitude M₁ · K₁ 10.8
- 8.4
Discovery & classification
Also known as 1987 Q1
Named
Sources
- visual properties: JPL SBDB (lookup)
- visual properties: JPL SBDB (lookup)
- orbital elements: JPL SBDB