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Voyager 2

NASA•

nominal

Voyager 2 is the only spacecraft to have visited all four outer planets — Jupiter, Saturn, Uranus, and Neptune. It remains the only probe to have flown past Uranus and Neptune, and is now the second human-made object to reach interstellar space.

Interstellar MissionTarget: Interstellar Space

Live Telemetry—

Distance from Earth

135.90AU

20.330B km

Distance from Sun

136.00AU

20.345B km

Velocity

15.4km/s

55,440 km/h

Mission Duration

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Signal Journey — Earth ↔ Probe

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18.80 hoursone-way at speed of light

Key Achievements

✦Only spacecraft to fly by all four outer planets

✦Discovered 10 new moons of Uranus

✦Discovered 5 new moons of Neptune

✦Confirmed Triton's geysers and thin atmosphere

✦Entered interstellar space in 2018

✦Providing unique measurements from southern heliosphere

Science Instruments

Plasma Science Experiment

Cosmic Ray Subsystem

Magnetometer

Ultraviolet Spectrometer

Photopolarimeter System

Mission Facts

Launch Vehicle

Titan IIIE/Centaur

Launch Mass

721.9 kg

Power Source

RTG (Radioisotope Thermoelectric Generator)

Heliopause Cross

November 2018

Unique Record

Only craft to visit Uranus & Neptune

Other Probes

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