Voyager 1 spacecraft
Voyager 1 is a NASA space probe launched in 1977 to study the outer planets and now travels through interstellar space.
Also known as: Voyager 1 probe
How big is it?
3.66 m tall
Approximate dish-to-bus span · approximate
Typical recorded range: 3.5 m to 3.8 m.
A little perspective
About the same scale as Gaia spacecraft.
Gaia spacecraft: Gaia is a European Space Agency observatory designed to map the positions and motions of stars in the Milky Way.
Measurements, assumptions & sources +
Voyager 1 spacecraft
Voyager 1 had a launch mass of about 721.9 kg and a main dish-to-bus scale of roughly 3.66 m. Its long magnetometer boom and antennas extend beyond that calibrated span.
The marked approximate dish-to-bus span is calibrated. Unmeasured illustration details are representative.
Gaia spacecraft
ESA’s Gaia observatory was approximately 3.5 m high and had a launch mass near 2,030 kg. Its deployed circular sunshield defines a much larger transverse span.
The marked approximate observatory height is calibrated. Unmeasured illustration details are representative.
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Why this measurement?
Why we use 3.66 m
For comparison, this page uses approximate dish-to-bus span. This is labelled approximate; the central value is useful for comparison, while real values or measurement solutions can vary. The recorded range is 3.5 m to 3.8 m.
Voyager 1 had a launch mass of about 721.9 kg and a main dish-to-bus scale of roughly 3.66 m. Its long magnetometer boom and antennas extend beyond that calibrated span.
The marked vertical span follows the named feature; transparent margins and unmeasured details do not alter it. How calibrated comparisons work →
Recorded properties
Voyager 1 spacecraft dimensions and measurements
| Property | Selected value | Recorded range | Basis |
|---|---|---|---|
| 3.66 m | 3.5 m to 3.8 m | approximate | |
| 721.9 kg | Not recorded | approximate |
Around this scale
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These links use compatible length records, ordered around the selected value.
Nearest lower value · SpaceGaia spacecraft3.5 mGaia is a European Space Agency observatory designed to map the positions and motions of stars in the Milky Way.
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Want to check the number?
The source records and measurement method remain available for inspection.
- NASA — Voyager spacecraftVoyager configuration, spacecraft systems and 3.7 m high-gain antenna.
There’s always another scale
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