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Spacecraft information: USA 142
Launch Details
| Launched | 8 April 1999 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 25669 |
| COSPAR ID | 1999-017A |
| Alternative names |
DSP 19 |
| Observing |
Current orbital elements
| Inclination | 28.778° |
| Eccentricity | 0.70645 |
| RA ascending node | 8.493 hr |
| Argument perigee | 43.197° |
| Mean anomaly | 354.149° |
| Orbital period | 617.916 min |
| Epoch of osculation | 20 Dec 2025, 11:00 |
Derived Quantities
| Min Altitude | 683.4 km |
| Mean Altitude | 17660.4 km |
| Peak Altitude | 34637.5 km |
Launched alongside
TITAN 4 R/B IUS R/B(1) IUS R/B(2) USA 142 DEB USA 142 DEB USA 142 DEB USA 142 DEBOrbital History
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