22P/Kopff
📋 A written introduction is coming — for now this page shows official values only.
Physical data
- Diameter
- 3 km
- Albedo
- 0.05
Orbit
- Orbit class (JPL)
- JFc — Jupiter-family Comet
- Semi-major axis
- 3.44 AU
- Eccentricity
- 0.549
- Inclination
- 4.74°
- Perihelion distance
- 1.55 AU
- Aphelion distance
- 5.33 AU
- Orbital period
- 2,330 days
- Perihelion passage
- JD 2459656.388
- Earth MOID
- 0.538 AU
Earth approach
- Potentially hazardous (PHA)
- No
- Near-Earth object (NEO)
- No
In everyday life
- About 3 km across — 0.8% of the 400 km Seoul–Busan expressway.
- One orbit takes about 2,330 Earth days (about 6.4 years).
- Sunlight needs about 29 minutes to reach it on average (semi-major axis 3.4 AU) — versus about 8 min 19 s to Earth.
Worked out from this object's official values.