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other equipment. The measurements obtained during this mission
provided new data on the Earth's radiation belt and outer space,
including the discovery that the Moon had no magnetic field and
that a solar wind, a strong flow of ionized plasma emmanating
from the Sun, streamed through interplanetary space. 

Launch Information:
Launch Date/Time: 1959-01-02 at 16:41:21 UTC
Launch Site/Country: Tyuratam (Baikonur Cosmodrome),
                                  U.S.S.R
Vehicle: Modified SS-6 (Sapwood) with 1st Generation
              Upper Stage
On-orbit dry mass: 361 kg

Orbital Information:
Orbit: Orbiter
Central Body: Sun
Epoch start date/time: 1959.002:00:00:00 (02 Jan)
Orbital Period: 450 d
Inclination: .01 degrees
Eccentricity: 0.14767
Periapsis: .9766 AU
Apoapsis: 1.315AU 

Discipline(s)
Planetary Science
Space Physics 

Sponsoring Agencies/Countries
Unknown/U.S.S.R.
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