NATIONAL AERONAUTICS AND SPACE ADMINISTRATION
Scout X-4 | Explorer 23
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Nov 6, 1964 at 12:02 UTC
▸ Flight profile›
Initializing Launch Globe…
PADLaunch Area 3
SITEWallops Flight Facility, Virginia, USA →ORBITLow Earth Orbit
TYPEMaterials Science
MISSION OVERVIEW
The Explorer 23 or S 55c micrometeoroid satellite was the third in the series of S 55 micrometeoroid satellites orbited by NASA.
LAUNCH DETAILS
VEHICLE
Scout X-4MISSION
Explorer 23
MISSION TYPE
Materials Science
TARGET ORBIT
Low Earth Orbit
LAUNCH PAD
Launch Area 3LAUNCH SITE
Wallops Flight Facility, Virginia, USACOUNTRY
USA
LAUNCH TIME VERIFICATION
CONFIRMEDPrecision: Minute
LAUNCH LIBRARY 2 PRIMARY
API ID: 9f9883da-7bf4-4c63-9004-e9d8f6a691e3
Reported date: Nov 6, 1964 at 12:02 UTC
Last synced: 14 minutes ago
This launch date and time are confirmed by the launch provider. Countdown is active.
LAUNCH MAP
PAD WEATHER
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VEHICLE — Scout X-4 →
MANUFACTURER
Vought
VARIANT
4
FLIGHTS
12
SUCCESSES
11
SUCCESS RATE
91.7%
The Scout family of rockets were were American launch vehicles designed to place small satellites into orbit around the Earth. The Scout multistage rocket was the first orbital launch vehicle to be entirely composed of solid fuel stages.
FREQUENTLY ASKED QUESTIONS
When is the Scout X-4 | Explorer 23 launch?
The Scout X-4 | Explorer 23 is scheduled for Friday, November 6, 1964 at 12:02 PM UTC. This is the NET (No Earlier Than) time and may be subject to change. Current status: SUCCESS.
What rocket is being used for Explorer 23?
The Scout X-4 | Explorer 23 mission uses the Scout X-4 rocket, manufactured by Vought. The Scout X-4 has flown 12 times with a 91.7% success rate.
Where is the Scout X-4 | Explorer 23 launching from?
The launch takes place from Launch Area 3 at Wallops Flight Facility, Virginia, USA.
What orbit is Explorer 23 going to?
The Explorer 23 mission is targeting Low Earth Orbit.
Who is launching Explorer 23?
The Scout X-4 | Explorer 23 is operated by National Aeronautics and Space Administration.
Can I watch the Scout X-4 | Explorer 23 launch live?
Yes. Visit the launch detail page on Space Launch Live for embedded YouTube webcasts, replay videos, and links to live coverage from SpaceX, NASA, NASASpaceflight, and other channels.
LAUNCH TIMELINE
Mar 28, 2026 20:13 UTC
Launch added to tracker
Imported from Launch Library 2 API
Mar 28, 2026 20:13 UTC
Launch date set: Nov 6, 1964 at 12:02 UTC
NET (No Earlier Than) confirmed by National Aeronautics and Space Administration
Mar 28, 2026 20:13 UTC
Launch completed successfully
Updated via Launch Library 2
LIVE DATA SOURCES
Last data sync: 14 minutes ago
●Launch Library 214 minutes ago
Launch ID: 9f9883da-7bf4-4c63-9004-e9d8f6a691e3
●Open-Meteo Weather2 weeks ago
Pad weather at 37.85, -75.47
BROWSE BY
Mission Profile
Explorer 23 was a Scout X-4 mission operated by National Aeronautics and Space Administration that lifted off from Launch Area 3, Wallops Flight Facility, Virginia, USA on November 6, 1964. The flight carried its payload on a materials science mission to Low Earth Orbit. The launch was a success.