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. Cosmos 1737
// signals intelligence · 1986

Cosmos 1737

Cosmos 1737 was launched on March 25, 1986 aboard a Tsiklon-2 from Baikonur. Latest status in GCAT: deorbited (Dec 3, 1986).

COSPAR 1986-025ANORAD 16648Soviet Union

Identity

Name in GCAT
Kosmos-1737
Common name
Cosmos 1737
Payload designation
US-PM1 No. 131
International designator
1986-025A
NORAD catalog number
16648
GCAT identifier
S16648
UN registration
ST/SG/SER.E/146

Mission

Mission type
Signals intelligence
Use
Defense
Program
US-PM1
Owner
VMF
Country
Soviet Union
Builder
Arsenal Design Bureau
Platform (bus)
US-P

Launch

Date
March 25, 1986 · 19:26 UTC
Launch record
1986-025Success
Rocket
Tsiklon-2
Spaceport
Baikonur · pad LC90

Orbit and fate

Orbit class (GCAT)
LLEO/I
Perigee
416 km
Apogee
429 km
Inclination
73.36°
Status
Deorbited
Status date
December 3, 1986
Last known active
Dec 3, 1986
End of operations
Dec 3, 1986

Size

Mass
3,300 kg
Dry mass
3,000 kg
Length
10.0 m
Diameter
1.30 m
Span
17.0 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q12753426 (CC0).