SPACECRAFT
Voyager 2
Launched August 20, 1977 · only spacecraft to visit all four giant planets
Distance from Sun
21,497,514,945 km
Distance from Earth
21,400,356,851 km
Speed
15.0 km/s
54,163 km/h · 33,656 mph
One-way light time
19h 50m
Position & heading
Heading roughly toward the constellation Pavo, below the plane of the planets. Left the heliopause on Nov 5, 2018 and is now in interstellar space.
Mission facts
| Days since launch | 17,895 |
| Location | Interstellar space |
| Constellation | Pavo |
| Heliopause crossing | Nov 5, 2018 |
| Round-trip light time | ~40h |
| Power source | RTG, decaying ~4W/yr |
Instrument health
| Instrument | Status |
|---|---|
| Magnetometer (MAG) | Active |
| Plasma Wave Subsystem (PWS) | Active |
| Low-Energy Charged Particle (LECP) | Active |
| Cosmic Ray Subsystem (CRS) | Active |
| Plasma Science (PLS) | Active |
| Imaging Science Subsystem | Off — since 1990s |
| Infrared Spectrometer (IRIS) | Off |
| Ultraviolet Spectrometer (UVS) | Off — 2023 |
| Photopolarimeter (PPS) | Off — failed 1978 |
Illustrative wireframe data — not live values.