Polaris Intelligence
Polaris
Intelligence
About
Ctrl K
Sign in
© Polaris Intelligence 2026
PrivacyTermsAdmin

Progress-20

retired

Прогресс-20

Human SpaceflightLEOCOSPAR 1984-038ALaunched 4/15/1984
Admin Edit
Mission & Launch
Launch Mission
Progress-20 Mission
Launch Vehicle
Soyuz-U2
Launch Date
4/15/1984
Last Contact
5/7/1984
Orbit & Mass
Orbit Class
LEO
Altitude
252.5 km
Inclination
51.59 deg
Dry Mass
4,800 kg
Total Mass
7,250 kg
Payload Classification
Mission Type
Human Spaceflight
Payload Category
SS
Payload Class
C
Organizations
Operator
NPO Energomash
Manufacturer
NPO Energomash
Registry
COSPAR ID
1984-038A
UN Registration
ST/SG/SER.E/106
Track