LOCKHEED SPACE OPERATIONS COMPANY

Space Shuttle Challenger / OV-099 | STS-51-L

FAILURE Space Shuttle →
Jan 28, 1986 at 16:38 UTC
Low Earth Orbit Human Exploration Kennedy Space Center, FL, USA 99% success
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Mission Control3D trajectory · Live telemetry · AI narrator · Booster tracking
PADLaunch Complex 39B
SITEKennedy Space Center, FL, USA →
ORBITLow Earth Orbit
TYPEHuman Exploration
PROGRAMSpace Shuttle

The tenth mission for Challenger, STS-51-L was scheduled to deploy the second in a series of Tracking and Data Relay Satellites, carry out the first flight of the Shuttle-Pointed Tool for Astronomy (SPARTAN-203) / Halley’s Comet Experiment Deployable in order to observe Halley’s Comet, and carry out several lessons from space as part of the Teacher in Space Project and Shuttle Student Involvement Program (SSIP).

AGENCY
Lockheed Space Operations Company
MISSION
STS-51-L
MISSION TYPE
Human Exploration
TARGET ORBIT
Low Earth Orbit
PROGRAM
Space Shuttle
COUNTRY
USA
CONFIRMEDPrecision: Minute
LAUNCH LIBRARY 2 PRIMARY
API ID: ca242e45-07c7-404d-962b-ba1795d9166a
Reported date: Jan 28, 1986 at 16:38 UTC
Last synced: 13 minutes ago
This launch date and time are confirmed by the launch provider. Countdown is active.
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OV-099SERIAL
10FLIGHTS
Low Earth OrbitDESTINATION
DestroyedSTATUS
FLIGHT-PROVEN CAPSULE

Space Shuttle Challenger (Orbiter Vehicle Designation: OV-099) was the second orbiter of NASA's space shuttle program to be put into service, after Columbia. Challenger was built by Rockwell International's Space…

CREW MANIFEST
Dick ScobeeCommander
Michael J. SmithPilot
Christa McAuliffePayload Specialist
Gregory JarvisPayload Specialist
Ellison OnizukaMission Specialist
Judith ResnikMission Specialist
Ronald McNairMission Specialist
MANUFACTURER
National Aeronautics and Space Administration
FLIGHTS
135
SUCCESSES
133
SUCCESS RATE
98.5%

The Space Shuttle is a retired, partially reusable low Earth orbital spacecraft system operated from 1981 to 2011 by the U.S. National Aeronautics and Space Administration (NASA) as part of the Space Shuttle program. Its official program name was Space Transportation System (STS). Five complete Space Shuttle orbiter vehicles were built and flown on a total of 135 missions from 1981 to 2011.

When is the Space Shuttle Challenger / OV-099 | STS-51-L launch?
The Space Shuttle Challenger / OV-099 | STS-51-L is scheduled for Tuesday, January 28, 1986 at 4:38 PM UTC. This is the NET (No Earlier Than) time and may be subject to change. Current status: FAILURE.
What rocket is being used for STS-51-L?
The Space Shuttle Challenger / OV-099 | STS-51-L mission uses the Space Shuttle rocket, manufactured by National Aeronautics and Space Administration. The Space Shuttle has flown 135 times with a 98.5% success rate.
Where is the Space Shuttle Challenger / OV-099 | STS-51-L launching from?
The launch takes place from Launch Complex 39B at Kennedy Space Center, FL, USA.
What orbit is STS-51-L going to?
The STS-51-L mission is targeting Low Earth Orbit.
Who is launching STS-51-L?
The Space Shuttle Challenger / OV-099 | STS-51-L is operated by Lockheed Space Operations Company. It is part of the Space Shuttle program.
Can I watch the Space Shuttle Challenger / OV-099 | STS-51-L 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.
Mar 29, 2026 05:33 UTC
Launch added to tracker
Imported from Launch Library 2 API
Mar 29, 2026 05:33 UTC
Launch date set: Jan 28, 1986 at 16:38 UTC
NET (No Earlier Than) confirmed by Lockheed Space Operations Company
Mar 29, 2026 05:33 UTC
Launch failure reported
Updated via Launch Library 2
Last data sync: 13 minutes ago
Launch Library 213 minutes ago
Launch ID: ca242e45-07c7-404d-962b-ba1795d9166a
Open-Meteo Weather18 hours ago
Pad weather at 28.63, -80.62

Mission Profile

STS-51-L was a Space Shuttle mission operated by Lockheed Space Operations Company that lifted off from Launch Complex 39B, Kennedy Space Center, FL, USA on January 28, 1986. The flight carried its payload on a human exploration mission to Low Earth Orbit. It was flown as part of the Space Shuttle program. The launch ended in failure.