Official name SL-4 R/B
Alternative name Blok-I (Soyuz-U)
Cospar ID 1989-049B
Norad ID 20096
Launch date 1989-06-27
Launch site PKMTR
Launch vehicle Soyuz-U
RCS size LARGE
Decay date 1989-06-29
Shape Cyl
Mass (kg) 2350
Diameter (m) 2.7
Height (m) 6.7
Span (m^2) 6.7