Vostok 1 spacecraft
The Vostok 1 spacecraft carried Yuri Gagarin, the first human to orbit Earth, during his 1961 spaceflight.
Also known as: Vostok spacecraft, Vostok 3KA
How big is it?
4.4 m long
Overall spacecraft length · approximate
A little perspective
About the same scale as Kepler space telescope.
Kepler space telescope: The Kepler space telescope was a NASA observatory launched to detect planets around other stars by monitoring changes in their brightness.
Measurements, assumptions & sources +
Vostok 1 spacecraft
The Vostok 1 spacecraft was about 4.4 m long and 4,725 kg in its orbital configuration. The calibrated span includes the spherical descent module and instrument module, but not the launch vehicle.
The marked overall spacecraft length is calibrated. Unmeasured illustration details are representative.
Kepler space telescope
NASA’s Kepler observatory was about 4.7 m high and had a launch mass of 1,052 kg. The height includes the deployed sunshade but not an imagined launch vehicle.
NASA — Kepler mission in depth
The marked overall observatory height is calibrated. Unmeasured illustration details are representative.
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Why this measurement?
Why we use 4.4 m
For comparison, this page uses overall spacecraft length. This is labelled approximate; the central value is useful for comparison, while real values or measurement solutions can vary.
The Vostok 1 spacecraft was about 4.4 m long and 4,725 kg in its orbital configuration. The calibrated span includes the spherical descent module and instrument module, but not the launch vehicle.
The marked vertical span follows the named feature; transparent margins and unmeasured details do not alter it. How calibrated comparisons work →
Recorded properties
Vostok 1 spacecraft dimensions and measurements
| Property | Selected value | Recorded range | Basis |
|---|---|---|---|
| 4.4 m | Not recorded | approximate | |
| 4.725 t | 4.7 t to 4.73 t | approximate |
Around this scale
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These links use compatible length records, ordered around the selected value.
Nearest lower value · SpaceVoyager 1 spacecraft3.66 mVoyager 1 is a NASA space probe launched in 1977 to study the outer planets and now travels through interstellar space.
Around the same scale · TransportFamily car4.5 mA family car is a motor vehicle designed to carry several passengers and their belongings.
Nearest higher value · SpaceKepler space telescope4.7 mThe Kepler space telescope was a NASA observatory launched to detect planets around other stars by monitoring changes in their brightness.Sources and method
Want to check the number?
The source records and measurement method remain available for inspection.
- NASA NSSDCA — Vostok 1Vostok spacecraft cabin and service-module configuration with a recorded mission mass of 4,725 kg.
There’s always another scale
Follow your curiosity.
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