| Mission type | Venus impact probe |
|---|---|
| Operator | OKB-1 |
| COSPAR ID | 1964-014A |
| SATCAT no. | 00770 |
| Spacecraft properties | |
| Spacecraft type | 3MV-1 |
| Manufacturer | OKB-1 |
| Launch mass | 6520 kg[1] |
| Dry mass | 948 kg (including an impact probe of 285 kg)[2] |
| Start of mission | |
| Launch date | 27 March 1964, 03:24:43 GMT |
| Rocket | Molniya 8K78 s/n T15000-27 |
| Launch site | Baikonur, Site 1/5 |
| Contractor | OKB-1 |
| End of mission | |
| Decay date | 28 March 1964 |
| Orbital parameters | |
| Reference system | Geocentric[3] |
| Regime | Low Earth |
| Perigee altitude | 167 km |
| Apogee altitude | 198 km |
| Inclination | 64.8° |
| Period | 88.7 minutes |
| Epoch | 27 March 1964 |
Kosmos 27 (Russian: Космос 27 meaning Cosmos 27), also known as Zond 3MV-1 No.3 was a space mission intended as a Venus impact probe. The spacecraft was launched by a Molniya 8K78 carrier rocket from Baikonur. The Blok L stage and probe reached Earth orbit successfully, but the attitude control system failed to operate.[4]
- ^ https://nssdc.gsfc.nasa.gov/nmc/spacecraft/display.action?id=1964-014A - 27 February 2020
- ^ Cite error: The named reference
siddiqiwas invoked but never defined (see the help page). - ^ https://nssdc.gsfc.nasa.gov/nmc/spacecraft/displayTrajectory.action?id=1964-014A - 27 February 2020
- ^ Wade, Mark. "Venera 3MV-1". Encyclopedia Astronautica. Archived from the original on 27 February 2002. Retrieved 17 February 2017.