Light Delay to Neptune
Data valid as of Sept. 9, 2026, 2:51 p.m.
Light Delay to Neptune
One-way light delay: 4 hours, 0 minutes, 27.33 seconds
Distance (AU)
2.891e+01
Distance (km)
4.325e+09
Distance (light years)
4.572e-04
Neptune is currently 2.891e+01 AU away from Earth.
Technical coordinate details
Earth
- Galactic Longitude
- 70d10m58.21906091s
- Galactic Latitude
- -57d25m54.47384186s
- Distance from Solar System Barycenter
- 1.0071057330438338 AU
- GCRS RA
- 0d00m18.2294637s
- GCRS Dec
- 0d00m07.9028227s
- GCRS Distance
- 0.0 AU
- GCRS Obstime
- 2026-09-09 14:51:03.956861
Neptune
- Galactic Longitude
- 101d35m28.94608086s
- Galactic Latitude
- -61d27m39.56453422s
- Distance from Solar System Barycenter
- 29.877501848894372 AU
- GCRS RA
- 3d22m56.36488308s
- GCRS Dec
- -0d04m41.12979779s
- GCRS Distance
- 28.912216978501576 AU
- GCRS Obstime
- 2026-09-09 14:51:03.956861