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Spacecraft information: HELIOS 1B
Launch Details
| Launched | 2 December 1999 |
| Flight ended | – |
| Status | Non-operational |
| Category |
Assorted bright
|
| Launch site | Europe's Spaceport, Kourou, French Guiana |
| Owner | France |
| NORAD ID | 25977 |
| COSPAR ID | 1999-064A |
| Observing |
Current orbital elements
| Inclination | 98.176° |
| Eccentricity | 0.00014 |
| RA ascending node | 16.472 hr |
| Argument perigee | 36.579° |
| Mean anomaly | 323.552° |
| Orbital period | 96.819 min |
| Epoch of osculation | 18 Dec 2025, 06:04 |
Derived Quantities
| Min Altitude | 612.5 km |
| Mean Altitude | 613.5 km |
| Peak Altitude | 614.5 km |
Orbital History
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