LEASAT 4 |
USA |
| Designation | 15995 / 85076D |
| Launch date | 27 Aug 1985 |
| Launch site | KSC, LC-39A |
| Launch vehicle | Shuttle STS-51 I |
| Mission | Military: telecommunications |
| Geostationary orbit on: | |
| Perigee / Apogee | km |
| Eccentricity | |
| Inclination | deg |
| Period | min |
| Out of service | Sep 1985 |
| Cause | UHF downlink failed during tests in GEO |