Light Delay to Neptune
Data valid as of July 25, 2026, 12:44 p.m.
Light Delay to Neptune
One-way light delay: 4 hours, 4 minutes, 23.62 seconds
Distance (AU)
2.939e+01
Distance (km)
4.396e+09
Distance (light years)
4.647e-04
Neptune is currently 2.939e+01 AU away from Earth.
Technical coordinate details
Earth
- Galactic Longitude
- 23d38m09.12034107s
- Galactic Latitude
- -27d21m03.03470199s
- Distance from Solar System Barycenter
- 1.0192714327113122 AU
- GCRS RA
- 0d00m09.96435892s
- GCRS Dec
- 0d00m04.31884958s
- GCRS Distance
- 0.0 AU
- GCRS Obstime
- 2026-07-25 12:44:42.347557
Neptune
- Galactic Longitude
- 101d00m27.40078667s
- Galactic Latitude
- -61d28m34.67020855s
- Distance from Solar System Barycenter
- 29.878368650736622 AU
- GCRS RA
- 4d11m01.16403857s
- GCRS Dec
- 0d17m57.9242267s
- GCRS Distance
- 29.385728120725226 AU
- GCRS Obstime
- 2026-07-25 12:44:42.347557