Object D No. 1 - the first satellite of the “ Object D ” series, launched on April 27, 1958, ended with an explosion of a launch vehicle due to fluctuations in the oxidizer main at the 89th second of the flight. The investigation of the accident allowed to improve the rocket and increase its reliability.
| Object D №1 | |
|---|---|
 Satellite-3 , the second device of the type "Object D" | |
| Manufacturer |  OKB-1 |
| Satellite | Of the earth |
| Launch pad | Tyuratam (Baikonur) |
| Carrier rocket | 8A91 № B1-2 |
| Launch | April 27, 1958 09:01 UTC |
| Going into orbit | not displayed |
| Flight duration | 89 seconds |
| Specifications | |
| Weight | 1327 kg |
| Dimensions | height 3.57 m, base diameter 1.73 m (excluding antennas) |
When launching, the rocket collapsed due to oscillations and fell 100 kilometers from the launch. The satellite withdrew and fell separately. The damaged satellite was taken to the test assembly complex. When trying to open it, the wires caught fire. Launched later, Sputnik-3 was a backup.
Notes
Literature
- Afanasyev, I. B. , Lavrenov, A. N. Big Space Club . - RTSoft , 2006. - p. 34-56. - 256 s. - ISBN 5-93345-006-5 .
- Chertok Boris Evseevich . Rockets and people . - M .: Mashinostroenie , 1999. - p. 202-208. - 448 s. - ISBN 5-217-02935-8 .