Light Delay to Neptune
Data valid as of Oct. 25, 2026, 7:12 a.m.
Light Delay to Neptune
One-way light delay: 4 hours, 1 minutes, 16.19 seconds
Distance (AU)
2.901e+01
Distance (km)
4.340e+09
Distance (light years)
4.587e-04
Neptune is currently 2.901e+01 AU away from Earth.
Technical coordinate details
Earth
- Galactic Longitude
- 147d05m12.11709036s
- Galactic Latitude
- -47d51m39.81614727s
- Distance from Solar System Barycenter
- 0.990859875570408 AU
- GCRS RA
- 0d00m15.95558938s
- GCRS Dec
- 0d00m06.91583442s
- GCRS Distance
- 0.0 AU
- GCRS Obstime
- 2026-10-25 07:12:45.618789
Neptune
- Galactic Longitude
- 102d10m09.68632386s
- Galactic Latitude
- -61d26m36.08704413s
- Distance from Solar System Barycenter
- 29.87664952908454 AU
- GCRS RA
- 2d15m59.84906729s
- GCRS Dec
- -0d33m43.44143616s
- GCRS Distance
- 29.01012026710627 AU
- GCRS Obstime
- 2026-10-25 07:12:45.618789