2026-244Latest orbital launch: Falcon 9 · Starlink Group 15-16 · Oct 27, 2026 · VandenbergLaunch record →
sci-techmaventhe history of spaceflight, in data
  1. Home
  2. Spacecraft
  3. Progress M-SO1
// human spaceflight · 2001

Progress M-SO1

Modified Progress spacecraft used to deliver the Pirs module to the ISS. Progress M-SO1 was launched on September 14, 2001 aboard a Soyuz-U-PVB from Baikonur. Latest status in GCAT: docked with another object (Sep 17, 2001).

COSPAR 2001-041ANORAD 26908Russia

Identity

Name in GCAT
Progress M-SO1
Payload designation
Progress M-SO1 No. 301
Other names
ISS 4R
International designator
2001-041A
NORAD catalog number
26908
GCAT identifier
S26908
UN registration
ST/SG/SER.E/405

Mission

Mission type
Human spaceflight
Use
Civil government
Program
Progress M-SO
Owner
RKKE
Country
Russia
Builder
CSDB-Progress Factory
Platform (bus)
7K-TGM

Launch

Date
September 14, 2001 · 23:34 UTC
Launch record
2001-041Success
Spaceport
Baikonur · pad LC1

Orbit and fate

Orbit class (GCAT)
LLEO/I
Perigee
239 km
Apogee
265 km
Inclination
51.64°
Status
Docked with another object
Status date
September 17, 2001
Last known active
Sep 26, 2001
End of operations
Sep 26, 2001

Size

Mass
3,000 kg
Dry mass
3,000 kg
Total mass with attached objects
3,440 kg
Length
3.5 m
Diameter
2.70 m
Span
3.5 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q2599542 (CC0).