SOYUZ-TM 11 (20981)

COSPAR: 1990-107A | Alt Name: Soyuz TM-11
DECAYED

Image
SOYUZ-TM 11 Satellite Image
Additional Sources
Launch Details

Launch Date

December 2, 1990

Launch Pad

LC1

Launch Vehicle

Soyuz-U2

Orbital Elements

NORAD ID

20981

International Designator

1990-107A

Decay Date

5/26/1991

Basic Satellite Info

Name

SOYUZ-TM 11

Alternative Name

Soyuz TM-11

Type

Payload

Status

Decayed

Owner

NPOE

Country

USSR

Constellation

N/A

Related Satellites

Major Events

N/A

Summary
SOYUZ-TM 11, also known as Soyuz TM-11, is a crewed spacecraft with the OBJECT_ID 1990-107A and NORAD_CAT_ID 20981. Launched on December 2, 1990, from the TYMSC launch site using the Soyuz-U2 launch vehicle from LC1 pad, it was manufactured by NPOE for the Soviet Union (SU). The spacecraft has a BUS type of 7K-STM and features a Sphere + Cone + Cyl + 2 Pan shape with dimensions of 7.2 meters in length, 2.2 meters in diameter, and a span of 10.6 meters. It operates with a dry mass of 2850 kg, the same as its launch mass, powered by two deployable fixed solar arrays and batteries. Its purpose is to serve as a crewed spacecraft, equipped with a KTDU-80 (S5.80) motor for propulsion. The satellite's shape includes a sphere, cone, cylinder, and two panels. It was stabilized on December 2, 1990, at 08:22 UTC.
Physical Characteristics

Length

7.2

Diameter

2.2

Span

10.6

Dry Mass

2850

Launch Mass

2850

Shape

Sphere + Cone + Cyl + 2 Pan

Radar Cross Section

11.3631

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Soyuz 7K-STM No. 61

Purpose

Crewed spacecraft

Mission

Crewed spacecraft

Manufacturer

NPOE

Life Expectancy

Unknown

Bus

7K-STM

Configuration

Unknown

Motor

KTDU-80 (S5.80)

Equipment

Unknown

Power System

2 deployable fixed solar arrays, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

Satellite Articles

View All Posts »

Learn more about satellites and other related topics.

Vulcan Grounding Threatens WGS-11 and OPIR Launches | KeepTrack Space Brief

Vulcan Grounding Threatens WGS-11 and OPIR Launches | KeepTrack Space Brief

ULA's Vulcan rocket grounded, imperiling Space Force WGS-11 communications satellite and Next-Gen OPIR missile warning payload. Both missions lack backup launch options.

SpaceX Wins $739M for Nine National Security Launches, FCC Adds 7,500 Starlink Sats | KeepTrack Space Brief

SpaceX Wins $739M for Nine National Security Launches, FCC Adds 7,500 Starlink Sats | KeepTrack Space Brief

SpaceX awarded $739M for nine national security missions. FCC approves 7,500 additional Starlink satellites. NASA announces early Crew-11 return from ISS due to medical issue.

X Report 8 Jun 2025

X Report 8 Jun 2025

SpaceX has seen a flurry of activity with successful launches, static-fire tests for Starship, and ongoing preparations for future objectives, marking an exciting time for the aerospace company.

Starship V3 Launch Looms as Residents Sue Over Home Damage | KeepTrack X Report

Starship V3 Launch Looms as Residents Sue Over Home Damage | KeepTrack X Report

SpaceX faces a new lawsuit from Texas residents alleging Starship launches caused property damage, just as V3 flight preparations ramp up.

X Report 24 Oct 2025

X Report 24 Oct 2025

SpaceX achieves a new milestone with its record 139th launch of the year while competition heats up in satellite communications.

X Report 10 Mar 2025

X Report 10 Mar 2025

SpaceX plans first Starship launch from Florida, and prepares for NASA’s SPHEREx and PUNCH missions from Vandenberg.

Space Brief 5 Oct 2025

Space Brief 5 Oct 2025

Today's brief covers significant advancements in national security space launches, ongoing rocket developments, and critical updates from the space industry.

Space Force Terminates $1.7B SCAR Contract, Relaunches | KeepTrack Space Brief

Space Force Terminates $1.7B SCAR Contract, Relaunches | KeepTrack Space Brief

Space Force terminated its $1.7B SCAR ground antenna modernization contract and is relaunching competition. Delays extend reliance on aging legacy systems for MEO and GEO satellite command.