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// geodesy · 1969

SECOR 13

American military geodetic satellite. SECOR 13 was launched on April 14, 1969 aboard a Thorad SLV-2G Agena D from Vandenberg. Latest status in GCAT: in orbit.

COSPAR 1969-037BNORAD 3891United States

Identity

Name in GCAT
EGRS XIII
Common name
SECOR 13
Payload designation
Secor II S/N 14 (TR-30B)
Other names
STP S69-2:PNX
International designator
1969-037B
NORAD catalog number
3891
GCAT identifier
S03891
UN registration
A/AC.105/INF.209

Mission

Mission type
Geodesy
Use
Defense
Program
Secor II
Owner
USA ETL
Country
United States
Builder
ITT Federal Laboratories
Platform (bus)
Secor

Launch

Date
April 14, 1969 · 07:54 UTC
Launch record
1969-037Success
Spaceport
Vandenberg · pad SLC2E

Orbit and fate

Orbit class (GCAT)
LEO/S
Perigee
1,072 km
Apogee
1,131 km
Inclination
99.91°
Status
In orbit
Last known active
January 2023
End of operations
1984

Size

Mass
18 kg
Dry mass
18 kg
Length
0.2 m
Diameter
0.40 m
Span
0.5 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q16320617 (CC0).