PADSpace Launch Complex 4E
SITEVandenberg SFB, CA, USA →ORBITLow Earth Orbit
TYPECommunications
PROGRAMStarlink
🎮 MISSION CONTROL COMING SOON — PRO
MISSION OVERVIEW
A batch of 25 satellites for the Starlink mega-constellation – SpaceX’s project for space-based Internet communication system.
LAUNCH DETAILS
VEHICLE
Falcon 9AGENCY
SpaceXMISSION
Starlink Group 17-21
MISSION TYPE
Communications
TARGET ORBIT
Low Earth Orbit
LAUNCH PAD
Space Launch Complex 4ELAUNCH SITE
Vandenberg SFB, CA, USAPROGRAM
Starlink
COUNTRY
USA
LAUNCH TIME VERIFICATION
CONFIRMEDPrecision: Half-year
LAUNCH LIBRARY 2 PRIMARY
API ID: f6c9396f-5f02-49e6-a847-83e4c774e0e9
Reported date: Apr 10, 2026 at 02:39 UTC
Last synced: 19 seconds ago
SPACEX API
Cross-referenced with community SpaceX data
This launch date and time are confirmed by the launch provider. Countdown is active.
SCHEDULE & STATUS HISTORY
DELAYED(24 hrs)
Apr 2, 2026 at 20:47 UTCApr 9, 2026 02:39 → Apr 10, 2026 02:39 UTC
Source: Launch Library 2
DELAYED(2 days)
Apr 1, 2026 at 18:18 UTCApr 7, 2026 02:39 → Apr 9, 2026 02:39 UTC
Source: Launch Library 2
LAUNCH MAP
PAD WEATHER
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BOOSTER — B1063 →
#32THIS FLIGHT
31TOTAL FLIGHTS
31/31LANDINGS
47dTURNAROUND
FLIGHT-PROVEN BOOSTER
ASDS — Of Course I Still Love You PLANNED
First flight: Nov 21, 2020Previous flight: Feb 21, 2026
PAYLOAD →
Starlink v2 Mini
Broadband Internet
SpaceXOPERATOR
LEO · 530 kmORBIT
800 kgMASS
91TOTAL LAUNCHES
LIVE TRACKING AVAILABLE
VEHICLE — Falcon 9 →
MANUFACTURER
SpaceX
VARIANT
Block 5
FLIGHTS
567
SUCCESSES
566
SUCCESS RATE
99.8%
Falcon 9 is a two-stage rocket designed and manufactured by SpaceX for the reliable and safe transport of satellites and the Dragon spacecraft into orbit. The Block 5 variant is the fifth major interval aimed at improving upon the ability for rapid reusability.
MORE INFO
FREQUENTLY ASKED QUESTIONS
When is the Falcon 9 Block 5 | Starlink Group 17-21 launch?
The Falcon 9 Block 5 | Starlink Group 17-21 is scheduled for Friday, April 10, 2026 at 2:39 AM UTC. This is the NET (No Earlier Than) time and may be subject to change. Current status: GO.
What rocket is being used for Starlink Group 17-21?
The Falcon 9 Block 5 | Starlink Group 17-21 mission uses the Falcon 9 rocket, manufactured by SpaceX. The Falcon 9 has flown 567 times with a 99.8% success rate.
Where is the Falcon 9 Block 5 | Starlink Group 17-21 launching from?
The launch takes place from Space Launch Complex 4E at Vandenberg SFB, CA, USA.
What orbit is Starlink Group 17-21 going to?
The Starlink Group 17-21 mission is targeting Low Earth Orbit.
Who is launching Starlink Group 17-21?
The Falcon 9 Block 5 | Starlink Group 17-21 is operated by SpaceX. It is part of the Starlink program.
Can I watch the Falcon 9 Block 5 | Starlink Group 17-21 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
Apr 2, 2026 23:17 UTC
Launch status set to GO for launch
Updated via Launch Library 2
Apr 2, 2026 20:47 UTC
Launch delayed by 24 hours
Apr 9, 2026 02:39 UTC u2192 Apr 10, 2026 02:39 UTC (via Launch Library 2)
Apr 1, 2026 18:18 UTC
Launch delayed by 2 days
Apr 7, 2026 02:39 UTC u2192 Apr 9, 2026 02:39 UTC (via Launch Library 2)
Mar 24, 2026 17:25 UTC
Launch added to tracker
Imported from Launch Library 2 API
Mar 24, 2026 17:25 UTC
Launch date set: Apr 10, 2026 at 02:39 UTC
NET (No Earlier Than) confirmed by SpaceX
LIVE DATA SOURCES
Last data sync: 19 seconds ago
●Launch Library 219 seconds ago
Launch ID: f6c9396f-5f02-49e6-a847-83e4c774e0e9
●SpaceX API19 seconds ago
Booster B1063 — 31 flights
●Open-Meteo Weather4 hours ago
Pad weather at 34.63, -120.61
●YouTube Video Search5 days ago
1 video discovered





