Payload
COSMOS 2546 (EKS 4)
OperationalPayloadHEONORAD 45608
COSMOS 2546 is a Ministry of Defense payload satellite, launched on May 22, 2020 into HEO.
Launch
- Launch date
- May 22, 2020 at 07:31 AM UTC
- Launch site
- Plesetsk Cosmodrome, Russia
- Launched by
- Soyuz 2.1b Fregat →
- Operator
- Russian Space Forces
- Mission
- EKS 4 (Tundra 4) (Kosmos 2546)
- Launch record
- View full launch →
Orbit
- Orbit regime
- HEO
- Apoapsis
- 38,985 km
- Periapsis
- 1,371 km
- Inclination
- 63.16°
- Orbital period
- 717.82 min
- Orbit data fetched
- September 30, 2026 at 02:51 AM UTC
Spacecraft
- Operator
- Ministry of Defense
- Manufacturer
- RKK Energia
- Users
- Military
- Launch mass
- 2,550 kg
- Dimensions
- 4 × 2 × 2 m
- Detailed purpose
- Early Warning
Identity
- COSPAR (Int'l)
- 2020-031A
- NORAD catalog №
- 45608
- Object type
- Payload
- Owner / operator
Russia (CIS / former USSR)- Status
- Operational