23P/Brorsen-Metcalf
📋 A written introduction is coming — for now this page shows official values only.
Orbit
- Orbit class (JPL)
- HTC — Halley-type Comet*
- Semi-major axis
- 17.1 AU
- Eccentricity
- 0.972
- Inclination
- 19.3°
- Perihelion distance
- 0.479 AU
- Aphelion distance
- 33.7 AU
- Orbital period
- 25,800 days
- Perihelion passage
- JD 2447781.437
- Earth MOID
- 0.194 AU
Earth approach
- Potentially hazardous (PHA)
- No
- Near-Earth object (NEO)
- Yes
In everyday life
- One orbit takes about 25,800 Earth days (about 70.6 years).
- Sunlight needs about 2.4 hours to reach it on average (semi-major axis 17.1 AU) — versus about 8 min 19 s to Earth.
- At its closest it comes 0.5 AU from the Sun — 47.9% of the Earth–Sun distance.
Worked out from this object's official values.