1958-006
The first space communications experiment was SCORE, a small package developed by the US Army Signal Corps under the sponsorship of ARPA. SCORE was an acronym for Signal Communications by Orbital Relay Experiment. The package containing two transmitters for handling voice and teletype messages remained attached to the Atlas 10B rocket, which was also the first Atlas stage to enter orbit. The mass in orbit was 3900 kg, of which 68 kg was the payload, the first built by RCA/East Windsor. A special low drag nose cone and adapter were added.
| SCORE | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1958 Dec 18 | 2302 | Launch by Atlas 10B | CC |
| 2304 | BECO | |
| 2306 | SECO T+4:30 | ||
| 2306 | Orbit insertion | 101.5 185 x 1484 x 32.3 | |
| 1958 Dec 31 | End of transmissions | ||
| 1959 Jan 21 | Reentered near Midway I | ||
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