Official name SL-4 R/B
Alternative name Blok-I (Soyuz-U2)
Cospar ID 1987-082B
Norad ID 18377
Launch date 1987-09-23
Launch site TTMTR
Launch vehicle Soyuz-U2
RCS size LARGE
Decay date 1987-09-26
Shape Cyl
Mass (kg) 2378.59
Diameter (m) 2.66
Height (m) 6.7
Span (m^2) 6.7