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. Pioneer 3
// deep space · 1958

Pioneer 3

U.S. space probe lost due to a launch failure. Pioneer 3 was launched on December 6, 1958 aboard a Juno II from Cape Canaveral & Kennedy. Latest status in GCAT: reentered (orbital decay) (Dec 7, 1958).

COSPAR 1958 THENORAD 111United States

Identity

Name in GCAT
Pioneer III
Common name
Pioneer 3
Payload designation
Pioneer 3
International designator
1958 THE
NORAD catalog number
111
GCAT identifier
S00111

Mission

Mission type
Deep space
Use
Civil government
Program
Pioneer (Army)
Owner
ABMA
Country
United States
Builder
Jet Propulsion Lab
Platform (bus)
Juno II Probe

Launch

Date
December 6, 1958 · 05:44 UTC
Launch record
1958 THESuccess
Rocket
Juno II
Spaceport
Cape Canaveral & Kennedy · pad LC5

Orbit and fate

Orbit class (GCAT)
SO
Perigee
-70 km
Apogee
102,200 km
Inclination
28.50°
Status
Reentered (orbital decay)
Status date
December 7, 1958
Last known active
Dec 7, 1958
End of operations
Dec 7, 1958

Size

Mass
6 kg
Dry mass
6 kg
Length
0.6 m
Diameter
0.20 m
Span
0.6 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q628186 (CC0).