Designation
|
Spacetrack catalog number
|
25977
|
|
COSPAR ID
|
1999-064-A
|
|
Name in Spacetrack catalog
|
HELIOS 1B
|
Satellite Details
|
Orbit
|
612 x 615 km, 98.2°
|
| Category | Military reconnaissance |
| Country/organisation of origin | France |
| Mass | 2,544 kg |
| Intrinsic brightness (Magnitude) | 5.7 (at 1000km distance, 50% illuminated) | | Maximum brightness (Magnitude) | 3.6 (at perigee, 100% illuminated) |
Launch
|
Date
(UTC)
|
03 December 1999 16:22
|
| Launch site | Centre Spatial Guyanais ,
French Guiana |
| Launch vehicle | Ariane 40 |
Description
| Based on the Matra Marconi Spot 4 bus. |
|
|