Yanaka is a comet in the Parabolic comet orbit class. Its closest approach to the Sun is 0.43 AU. Orbit from the JPL solution of 15 April 2021.
Orbital elements
- Eccentricity
- 1
- Inclination
- 71.01°
- Perihelion
- 0.428 AU
- Longitude of ascending node
- 315.52°
- Argument of periapsis
- 88.12°
- Epoch · J2000
- JD 2447507.15316 (perihelion)
- Orbit class · PAR
- Parabolic comet
- Earth MOID · 27.0 LD
- 0.0694 AU
Orbit quality
- Observations used
- 56
- Data arc
- 57 days
- First observed
- 1 January 1989
- Last observed
- 27 February 1989
- Residual RMS
- 0.85 ″
- Solution · Otto Matic
- 15 April 2021
Visual & observation
- Absolute magnitude (H)
- 12.8
- Total magnitude M₁ · K₁ 15.5
- 12.8
Discovery & classification
Also known as 1988 Y1
Named
Sources
- visual properties: JPL SBDB (lookup)
- visual properties: JPL SBDB (lookup)
- visual properties: JPL SBDB (lookup)
- visual properties: JPL SBDB (lookup)
- orbital elements: JPL SBDB