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// meteorology · 1970

TIROS-M

Deactivated weather satellite. TIROS-M was launched on January 23, 1970 aboard a Thor Delta N6 from Vandenberg. Latest status in GCAT: in orbit.

COSPAR 1970-008ANORAD 4320United States

Identity

Name in GCAT
ITOS 1
Common name
TIROS-M
Payload designation
Tiros M
International designator
1970-008A
NORAD catalog number
4320
GCAT identifier
S04320
UN registration
A/AC.105/INF.223

Mission

Mission type
Meteorology
Use
Civil government
Program
ITOS
Owner
ESSA
Country
United States
Builder
RCA Astro Electronics (Astro Space)
Platform (bus)
Tiros M

Launch

Date
January 23, 1970 · 11:31 UTC
Launch record
1970-008Success
Spaceport
Vandenberg · pad SLC2W

Orbit and fate

Orbit class (GCAT)
LEO/S
Perigee
1,433 km
Apogee
1,482 km
Inclination
102.01°
Status
In orbit
Last known active
Jun 17, 1971
End of operations
Jun 17, 1971

Size

Mass
309 kg
Dry mass
309 kg
Length
1.2 m
Diameter
1.00 m
Span
4.3 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q55634552 (CC0).