Space Brief 28 Aug 2025
Today's briefing covers collaborations enhancing defense capabilities, new satellite technologies entering the market, and strategic shifts in military satellite applications.
PROGRESS-DC 1 (26908)
COSPAR: 2001-041A | Alt Name: Progress M-SO1
DECAYED
Image
Additional Sources
Launch Details
Launch Date
September 14, 2001
Launch Site
Launch Pad
LC1
Launch Vehicle
Soyuz-U-PVB
Orbital Elements
NORAD ID
26908
International Designator
2001-041A
Decay Date
9/27/2001
Basic Satellite Info
Name
PROGRESS-DC 1
Alternative Name
Progress M-SO1
Type
Payload
Status
Decayed
Owner
RKKE
Country
Russia
Constellation
N/A
Related Satellites
Major Events
N/A
Summary
PROGRESS-DC 1, also known as Progress M-SO1, is a space station docking and airlock module launched by Russia on September 14, 2001, from the TYMSC site using the Soyuz-U-PVB launch vehicle. The spacecraft has dimensions of 3.5 meters in length and diameter and spans 3.5 meters. It weighs approximately 3000 kg at launch and has a cylindrical shape. Its mission is to serve as a docking module for the International Space Station, equipped with two deployable fixed solar arrays and batteries for power during free flight, transitioning to ISS power when docked. The satellite was manufactured by PROGT and designed with an expected operational lifetime of 5 years.
Physical Characteristics
Length
3.5
Diameter
2.7
Span
3.5
Dry Mass
3000
Launch Mass
3000
Shape
Cyl
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Progress M-SO1 No. 301
Purpose
Space Station docking and airlock module
Mission
Space Station docking and airlock module
Manufacturer
PROGT
Life Expectancy
5 years (design)
Bus
7K-TGM
Configuration
Unknown
Motor
11D428A
Equipment
Unknown
Power System
2 deployable fixed solar arrays, batteries (during free flight); via ISS (docked)
ADCS
Unknown
Transmitter Frequency
Unknown
Satellite Articles
View All Posts »Learn more about satellites and other related topics.
Block 3 Starship Prep Accelerates at Starbase | KeepTrack X Report
SpaceX accelerates Block 3 Starship pad work at Starbase as Russia preps Soyuz-5 debut alongside Falcon 9 internet satellite launches.
Space Brief 26 Apr 2025
Today's brief covers major developments including the introduction of BAHA drones, increased defense spending by Estonia, and consequential announcements on military budgets impacting space-related activities.
Blue Origin's New Glenn Gantry Damaged; SpaceX Wins $4.16B Space Force Contract | KeepTrack Space Brief
Blue Origin's LC-36 gantry damaged in blast; CEO targets end-2026 return. SpaceX awarded $4.16B Space Force contract for airborne threat tracking satellites.
Falcon Heavy Returns After 18-Month Hiatus | KeepTrack X Report
SpaceX's Falcon Heavy flew for the first time in 18 months on April 29, while Starlink hit 51 Falcon 9 launches in 2026 with 10,280 satellites working.
X Report 10 Dec 2024
SpaceX gears up for a busy launch schedule with multiple missions, while its Starship program progresses with a successful Super Heavy test. Meanwhile, NASA's Artemis 2 faces delays, highlighting SpaceX's ongoing momentum in the space sector.
Space Brief 14 Jul 2025
Today's briefing covers the latest developments in satellite intelligence funding, new mandates affecting space launch and missile defense, and the early conclusion of a private astronaut mission. We also discuss Firefly Aerospace's plans to go public and stunning imagery from NASA's Parker Solar Probe.
Space Brief 15 Dec 2024
Anticipated NISAR launch now scheduled for March 2025; Rivada persists in broadband constellation quest despite setbacks; SpaceX scrubbed RRT-1 launch holds mystery.