Proton 1
Proton 1 was a Soviet satellite, launched in July 1965, that studied cosmic rays in the Gamma ray spectrum. It was the payload of the first Proton rocket launch. It was powered by 4 triangular solar panels mounted on the top of the spacecraft. The spacecraft itself was a cylindrical body with sloping cones to cap the ends. The satellites orbit decayed naturally and re-entered in October 1965.[1]
![]() Proton 1 before launch | |
Mission type | Gamma-ray astronomy |
---|---|
COSPAR ID | 1965-054A |
SATCAT no. | 01466![]() |
Mission duration | 3 months, 25 days |
Spacecraft properties | |
Launch mass | 12,200 kg (26,900 lb) |
Start of mission | |
Launch date | July 16, 1965, 11:17 UTC |
Rocket | Proton |
Launch site | Baikonur Cosmodrome |
End of mission | |
Disposal | De-orbited |
Decay date | October 11, 1965 |
Orbital parameters | |
Reference system | Geocentric |
Regime | Low Earth orbit |
Eccentricity | 0.029999 |
Perigee altitude | 183 kilometers (114 mi) |
Apogee altitude | 589 kilometers (366 mi) |
Inclination | 63.4 degrees |
Period | 92.25 minutes |
Scientific Payload
The scientific payload included instruments for monitoring cosmic rays with energies in the Gamma Ray spectrum. It measured particles above 50 MeV.
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See also
- Proton 2
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