38P/Stephan-Oterma
📋 A written introduction is coming — for now this page shows official values only.
Orbit
- Orbit class (JPL)
- HTC — Halley-type Comet*
- Semi-major axis
- 11.3 AU
- Eccentricity
- 0.859
- Inclination
- 18.4°
- Perihelion distance
- 1.59 AU
- Aphelion distance
- 21 AU
- Orbital period
- 13,900 days
- Perihelion passage
- JD 2458433.487
- Earth MOID
- 0.605 AU
Earth approach
- Potentially hazardous (PHA)
- No
- Near-Earth object (NEO)
- No
In everyday life
- One orbit takes about 13,900 Earth days (about 38.1 years).
- Sunlight needs about 94 minutes to reach it on average (semi-major axis 11.3 AU) — versus about 8 min 19 s to Earth.
- At its closest it comes 1.6 AU from the Sun — 1.6 times the Earth–Sun distance.
Worked out from this object's official values.