Official name SL-4 R/B
Alternative name Blok-I (Soyuz-U2)
Cospar ID 1987-104B
Norad ID 18700
Launch date 1987-12-21
Launch site TTMTR
Launch vehicle Soyuz-U2
RCS size UNKNOWN
Decay date 1987-12-23
Shape Cyl
Mass (kg) 2378.59
Diameter (m) 2.66
Height (m) 6.7
Span (m^2) 6.7