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// space science · 1973

Prognoz 3

The spacecraft carried instruments to measure solar X rays and gamma rays, plasma, and energetic particles. The complete payload description was not provided.. Prognoz 3 was launched on February 15, 1973 aboard a Molniya 8K78M from Baikonur. Latest status in GCAT: left Earth orbit for deep space (Feb 15, 1973).

COSPAR 1973-009ANORAD 6364Soviet Union

Identity

Name in GCAT
Prognoz-3
Common name
Prognoz 3
Payload designation
SO-M No. 502
International designator
1973-009A
NORAD catalog number
6364
GCAT identifier
S06364
UN registration
A/AC.105/INF.271

Mission

Mission type
Space science, Astronomy
Use
Civil government
Program
SO-M
Owner
IKI
Country
Soviet Union
Builder
NPO Lavochkin
Platform (bus)
SO-M

Launch

Date
February 15, 1973 · 01:11 UTC
Launch record
1973-009Success
Spaceport
Baikonur · pad LC31

Orbit and fate

Orbit class (GCAT)
DSO
Perigee
895 km
Apogee
199,442 km
Inclination
65.00°
Status
Left Earth orbit for deep space
Status date
February 15, 1973
Last known active
Mar 26, 1974
End of operations
Mar 26, 1974

Size

Mass
845 kg
Dry mass
845 kg
Length
2.0 m
Diameter
2.50 m
Span
10.0 m

Deep space

Deep-space catalog entry
D00487
Final central body
Earth
Phase start
February 15, 1973
Phase outcome
Reentered (orbital decay) · December 10, 1977

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q113275210 (CC0).