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ERS 21

ERS 21 was launched on September 26, 1968 aboard a Titan IIIC from Cape Canaveral & Kennedy. Latest status in GCAT: in orbit, no recent tracking.

COSPAR 1968-081CNORAD 3430United States

Identity

Name in GCAT
ERS 21
Other names
STP P67-2:PN,OV5-4
International designator
1968-081C
NORAD catalog number
3430
GCAT identifier
S03430
UN registration
A/AC.105/INF.197

Mission

Mission type
Technology
Use
Defense
Program
ORS III
Owner
SAMSO
Country
United States
Builder
TRW Inc.
Platform (bus)
ORS

Launch

Date
September 26, 1968 · 07:37 UTC
Launch record
1968-081Success
Spaceport
Cape Canaveral & Kennedy · pad LC41

Orbit and fate

Orbit class (GCAT)
GEO/I
Perigee
35,765 km
Apogee
35,822 km
Inclination
13.58°
Status
In orbit, no recent tracking
Last known active
Sep 30, 1968
End of operations
Sep 30, 1968

Size

Mass
13 kg
Dry mass
13 kg
Length
0.3 m
Diameter
0.30 m
Span
0.3 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q2780519 (CC0).