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. Vela 1B
// missile early warning · 1963

Vela 1B

U.S. reconnaissance satellite. Vela 1B was launched on October 17, 1963 aboard a Atlas Agena D from Cape Canaveral & Kennedy. Latest status in GCAT: left Earth orbit for deep space (1980).

COSPAR 1963-039CNORAD 692United States

Identity

Name in GCAT
Vela I-B
Common name
Vela 1B
Payload designation
Vela 1B
Other names
FTV 1851
International designator
1963-039C
NORAD catalog number
692
GCAT identifier
S00692
UN registration
A/AC.105/INF.054

Mission

Mission type
Missile early warning
Use
Defense
Program
Vela
Country
United States
Builder
TRW Inc.
Platform (bus)
Vela

Launch

Date
October 17, 1963 · 02:37 UTC
Launch record
1963-039Success
Spaceport
Cape Canaveral & Kennedy · pad LC13

Orbit and fate

Orbit class (GCAT)
VHEO
Perigee
101,925 km
Apogee
116,528 km
Inclination
37.82°
Status
Left Earth orbit for deep space
Status date
1980
Last known active
August 1968
End of operations
August 1968

Size

Mass
115 kg
Dry mass
115 kg
Total mass with attached objects
207 kg
Length
1.4 m
Diameter
1.40 m
Span
1.4 m

Deep space

Deep-space catalog entry
D00621
Final central body
Earth
Phase start
1980
Phase outcome
In orbit

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q9368345 (CC0).