161P/Hartley-IRAS
📋 A written introduction is coming — for now this page shows official values only.
NowLIVE
Distancia a la Tierra
0.9855 AU
147,432,607 km
Tiempo de la luz
8m 12s
a la velocidad de la luz
Distancia al Sol
☉ 1.324 AU
Magnitud est. (JPL M1·K1)
15.7
Telescopio grande / imagen
Computed 2026-11-04 00:22 UTC · planets astronomy-engine (VSOP87) · comets JPL elements (two-body) · NASA JPL Small-Body Database (sbdb.api) 2026-10-24 · Elements epoch 2020-02-24 · two-body approximation (no planetary perturbations)
Orbit
- Orbit class (JPL)
- HTC — Halley-type Comet*
- Semi-major axis
- 7.73 AU
- Eccentricity
- 0.835
- Inclination
- 95.7°
- Perihelion distance
- 1.28 AU
- Aphelion distance
- 14.2 AU
- Orbital period
- 7,850 days
- Perihelion passage
- JD 2461373.262
- Earth MOID
- 0.449 AU
Earth approach
- Potentially hazardous (PHA)
- No
- Near-Earth object (NEO)
- Yes
In everyday life
- One orbit takes about 7,850 Earth days (about 21.5 years).
- Sunlight needs about 64 minutes to reach it on average (semi-major axis 7.7 AU) — versus about 8 min 19 s to Earth.
- At its closest it comes 1.3 AU from the Sun — 1.3 times the Earth–Sun distance.