UNITED STATES AIR FORCE

Delta 7425-9.5 | Contour

SUCCESSJul 3, 2002 at 06:47 UTCDelta II →
PADSpace Launch Complex 17A
SITECape Canaveral SFS, FL, USA →
ORBITSun-Synchronous Orbit
TYPEHeliophysics
PROGRAMDiscovery Program

The CONTOUR (Comet Nucleus Tour) probe, built and operated by the Johns Hopkins University’s Applied Physics Laboratory (APL), began its five year mission to explore three comets, using repeated encounters with the earth to modify its orbit in order to reach each target.

VEHICLE
Delta II
MISSION
Contour
MISSION TYPE
Heliophysics
TARGET ORBIT
Sun-Synchronous Orbit
PROGRAM
Discovery Program
COUNTRY
USA
CONFIRMEDPrecision: Minute
LAUNCH LIBRARY 2 PRIMARY
API ID: 6d4e1c5d-e61d-4148-8867-b0c589e97c67
Reported date: Jul 3, 2002 at 06:47 UTC
Last synced: 17 minutes ago
This launch date and time are confirmed by the launch provider. Countdown is active.
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MANUFACTURER
McDonnell Douglas
VARIANT
7425-9.5
FLIGHTS
3
SUCCESSES
3
SUCCESS RATE
100%

Delta II was an expendable launch system, originally designed and built by McDonnell Douglas. Delta II was part of the Delta rocket family and entered service in 1989. Delta II vehicles included the Delta 6000, and the two later Delta 7000 variants ("Light" and "Heavy"). The rocket flew its final mission ICESat-2 on 15 September 2018, earning the launch vehicle a streak of 100 successful missions in a row, with the last failure being GPS IIR-1 in 1997.

When is the Delta 7425-9.5 | Contour launch?
The Delta 7425-9.5 | Contour is scheduled for Wednesday, July 3, 2002 at 6:47 AM UTC. This is the NET (No Earlier Than) time and may be subject to change. Current status: SUCCESS.
What rocket is being used for Contour?
The Delta 7425-9.5 | Contour mission uses the Delta II rocket, manufactured by McDonnell Douglas. The Delta II has flown 3 times with a 100% success rate.
Where is the Delta 7425-9.5 | Contour launching from?
The launch takes place from Space Launch Complex 17A at Cape Canaveral SFS, FL, USA.
What orbit is Contour going to?
The Contour mission is targeting Sun-Synchronous Orbit.
Who is launching Contour?
The Delta 7425-9.5 | Contour is operated by United States Air Force. It is part of the Discovery Program program.
Can I watch the Delta 7425-9.5 | Contour 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 01:07 UTC
Launch added to tracker
Imported from Launch Library 2 API
Mar 29, 2026 01:07 UTC
Launch date set: Jul 3, 2002 at 06:47 UTC
NET (No Earlier Than) confirmed by United States Air Force
Mar 29, 2026 01:07 UTC
Launch completed successfully
Updated via Launch Library 2
Last data sync: 17 minutes ago
Launch Library 217 minutes ago
Launch ID: 6d4e1c5d-e61d-4148-8867-b0c589e97c67
Open-Meteo Weather1 day ago
Pad weather at 28.45, -80.57

Mission Profile

Contour was a Delta II 7425-9.5 mission operated by United States Air Force that lifted off from Space Launch Complex 17A, Cape Canaveral SFS, FL, USA on July 3, 2002. The flight carried its payload on a heliophysics mission to Sun-Synchronous Orbit. It was flown as part of the Discovery Program program. The launch was a success.