Space Brief 5 Jul 2025
Today's space highlights include China's first classified Shiyan-28B launch, Boeing's major satellite contract, new NASA budget allocations, and plans for shuttle Discovery's relocation.
COSMOS 1991 (19758)
COSPAR: 1989-003A | Alt Name: Kosmos-1991
DECAYED
Image
Additional Sources
Launch Details
Launch Date
January 18, 1989
Launch Site
Launch Pad
LC1
Launch Vehicle
Soyuz-U
Orbital Elements
NORAD ID
19758
International Designator
1989-003A
Decay Date
2/1/1989
Basic Satellite Info
Name
COSMOS 1991
Alternative Name
Kosmos-1991
Type
Payload
Status
Decayed
Owner
UNKS
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Summary
COSMOS 1991, also known as Kosmos-1991, is a reconnaissance satellite designed for photo surveillance with film return capability. Launched on January 18, 1989, from the Tyuratam Space Center (TYMSC) using the Soyuz-U launch vehicle, it carries the Oblik No. 388 payload. The spacecraft measures 6 meters in length and has a diameter of 2.2 meters with a span of 6 meters. It weighs 2655 kg at launch and is powered by batteries. Equipped with a Zenit bus configuration, the satellite uses an 11D82M motor for propulsion along with an S5.120 maneuver module. Manufactured by TSSKB, COSMOS 1991 has a spherical shape combined with a DCone and a cross-sectional area of 29.17 square meters.
Physical Characteristics
Length
6
Diameter
2.2
Span
6
Dry Mass
2655
Launch Mass
2655
Shape
Sphere + DCone
Radar Cross Section
29.17
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Oblik No. 388
Purpose
Reconnaissance, photo (film return type)
Mission
Reconnaissance, photo (film return type)
Manufacturer
TSSKB
Life Expectancy
Unknown
Bus
Oblik
Configuration
Zenit bus
Motor
11D82M; S5.120 (maneuver module)
Equipment
Unknown
Power System
Batteries
ADCS
Unknown
Transmitter Frequency
Unknown
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