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Spacecraft information: ESSA 9
Launch Details
| Launched | 25 February 1969 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 3764 |
| COSPAR ID | 1969-016A |
| Alternative names |
TOS-G |
| Observing |
Current orbital elements
| Inclination | 101.400° |
| Eccentricity | 0.00514 |
| RA ascending node | 23.312 hr |
| Argument perigee | 115.844° |
| Mean anomaly | 255.690° |
| Orbital period | 115.213 min |
| Epoch of osculation | 12 Dec 2025, 05:53 |
Derived Quantities
| Min Altitude | 1431.9 km |
| Mean Altitude | 1472.2 km |
| Peak Altitude | 1512.5 km |
Launched alongside
DELTA 1 R/BOrbital History
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