In Evidence
Detailed information about the discovery of Comet C/2025 J1 (Borisov) and pointers to useful resources to track and observe it. Read more...
Ephemeris Calculator
Compute Comet 17P/Holmes ephemerides
How Far Away is Comet 17P/Holmes from Earth?
The distance of Comet 17P/Holmes from Earth is currently 663,659,979 kilometers, equivalent to 4.436293 Astronomical Units. Light takes 36 minutes and 53.7314 seconds to travel from Comet 17P/Holmes and arrive to us.
Additional Resources on TheSkyLive
- Comet 17P/Holmes: Complete reference information on TheSkyLive.com
- Where is Comet 17P/Holmes?: Key information on locating Comet 17P/Holmes in the sky.
- Distance from Earth: Find out how far Comet 17P/Holmes is from Earth right now.
- How Bright is Comet 17P/Holmes?: Current visual brightness (magnitude) and apparent size.
- Rise and Set Times: Comet 17P/Holmes's rise and set times from your location.
- Interactive Sky Map: planetarium-style interactive visualization of Comet 17P/Holmes's position in the sky.
- Live Position Tracker: high precision position tracker with deep space imagery.
- Ephemeris: 15 days Comet 17P/Holmes's computed ephemeris.
- Orbital elements: information about Comet 17P/Holmes orbital parameters.
- Orbit Visualization. 3d interactive visualization showing the orbit of Comet 17P/Holmes with respect to the major Solar System objects.