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UOSAT 4
Launch Details
| Launched | 21 January 1990 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Europe's Spaceport, Kourou, French Guiana |
| Owner | United Kingdom |
| NORAD ID | 20438 |
| COSPAR ID | 1990-005C |
| Alternative names |
UO-15 |
| Observing |
Current orbital elements
| Inclination | 98.919° |
| Eccentricity | 0.00101 |
| RA ascending node | 21.578 hr |
| Argument perihelion | 163.582° |
| Mean anomaly | 349.529° |
| Orbital period | 100.622 min |
| Epoch of osculation | 26 Nov 2021, 11:04 |
Derived Quantities
| Min Altitude | 788.0 km |
| Mean Altitude | 795.2 km |
| Peak Altitude | 802.5 km |
Orbital History
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