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. OGO 5
// space science · 1968

OGO 5

American geophysical research satellite. OGO 5 was launched on March 4, 1968 aboard a Atlas SLV-3A Agena D from Cape Canaveral & Kennedy. Latest status in GCAT: left Earth orbit for deep space (Mar 5, 1968).

COSPAR 1968-014ANORAD 3138United States

Identity

Name in GCAT
OGO 5
Payload designation
OGO E
Other names
NASA S-59:P
International designator
1968-014A
NORAD catalog number
3138
GCAT identifier
S03138
UN registration
A/AC.105/INF.190

Mission

Mission type
Space science
Use
Civil government
Program
EGO
Owner
GSFC
Country
United States
Builder
TRW Inc.
Platform (bus)
OGO

Launch

Date
March 4, 1968 · 13:06 UTC
Launch record
1968-014Success
Spaceport
Cape Canaveral & Kennedy · pad LC13

Orbit and fate

Orbit class (GCAT)
DSO
Perigee
271 km
Apogee
148,186 km
Inclination
31.13°
Status
Left Earth orbit for deep space
Status date
March 5, 1968
Last known active
Jul 14, 1972
End of operations
Jul 14, 1972

Size

Mass
611 kg
Dry mass
611 kg
Length
1.7 m
Diameter
0.80 m
Span
18.0 m

Deep space

Deep-space catalog entry
D00196
Final central body
Earth
Phase start
March 5, 1968
Phase outcome
Reentered (orbital decay) · July 2, 2011

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q105923442 (CC0).