OFO 1
| OFO 1 | |
|---|---|
|
|
| Country: |
 United States
|
| Operator: | NASA |
| COSPAR-ID : | 1970-094A |
| Mission dates | |
| Dimensions: | 132.9 kg |
| Size: | 168 cm length; 76 cm in diameter |
| Begin: | November 11, 1970, 06:00 UTC |
| Starting place: | Wallops Flight Facility |
| Launcher: | Scout |
| Status: | burned up on May 9, 1971 |
| Orbit data | |
| Rotation time : | 93.3 min |
| Orbit inclination : | 37.7 ° |
| Apogee height : | 520 km |
| Perigee height : | 300 km |
OFO 1 ( Orbiting Frog Otolith ) was a satellite from the US space agency NASA .
construction
The satellite was 1.68 m long and 76 cm in diameter. There were two bullfrogs on board as part of a biological-medical experiment to research the otolith in the satellite, since the otoliths of the bullfrog are very similar to those of humans. The frogs had electrodes implanted in their vestibular nerves. They were housed in a small centrifuge to simulate different states of gravity. The centrifuges were started by radio command from Earth.
mission
After the successful start, the biometric data of the frogs were compared with a comparison group on Earth. Three days after reaching orbit, the animals' reactions to different states of gravity had equalized. After six days, the test animals died unexpectedly. OFO 1 burned up in the atmosphere after 181 days.
Also on board the rocket was the RM-1 payload, which consisted of measuring devices for determining the density and energy of micrometeorites and was integrated into the fourth stage of the Scout rocket .
literature
- Herbert Pfaffe, Peter Stache: spacecraft. A type book , 1972
Individual evidence
- ↑ OFO 1 in the NSSDCA Master Catalog , accessed December 30, 2013 (English).