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. Launches
  3. 1969
  4. 1969-046
// orbital launch

ERS 29

Titan IIIC launch from Cape Canaveral & Kennedy (United States) on May 23, 1969, carrying 5 payloads. GCAT records the launch as a success.

May 23, 1969 · 07:57 UTCLaunch 1969-046Launch no. 973 in the log
SpaceportCape Canaveral & Kennedypad LC41
OutcomeSuccess
Launch agencySAMSOUnited States

Flight

Date and time (UTC)
May 23, 1969, 07:57
Launch designation
1969-046
Mission
ERS 29
Flight name
Vela 5A/5B
Vehicle flight ID
3C-15

Orbit and payload

Initial apogee
150,000 km
Payload mass to orbit
0.740 t
Payloads
5
GCAT launch code
OS

Payloads

PayloadDesignationOwnerMission typeMassFate
ERS 291969-046ANORAD 3950USAF Space and Missile Systems OrganizationSpace science9 kgIn orbit, no recent tracking
ERS 261969-046BNORAD 3951USAF Space and Missile Systems OrganizationSpace science9 kgIn orbit, no recent tracking
OV5-91969-046CNORAD 3952USAF Space and Missile Systems OrganizationTechnology9 kgIn orbit, no recent tracking
Vela V-A1969-046DNORAD 3954USAF Space and Missile Systems OrganizationMissile early warning250 kgLeft Earth orbit for deep space · Jul 1, 1984
Vela V-B1969-046ENORAD 3955USAF Space and Missile Systems OrganizationMissile early warning250 kgLeft Earth orbit for deep space · Sep 30, 1983

Source: GCAT launch list and payload catalogs, Jonathan C. McDowell (CC BY 4.0). Orbit values are the initial orbit reported for the launch.