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Starlink·Communication Constellation

Falcon 9 Block 5 | Starlink Group 17-40

A batch of 24 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.

T-minus
00Days
:
00Hrs
:
00Min
:
00Sec
Sunday, June 28, 2026
04:09:18 PM UTC09:09 AM PDT local
4h windowAccurate to the second
Falcon 9 Block 5 | Starlink Group 17-40
Mission
T-Minus
—±second
Probability
—weather window
Window
4hlaunch window
Orbit
LEOLow Earth Orbit
Mission Type
Communications
Global # This Year
#153orbital attempts
Agency # This Year
#77SpaceX
Vehicle
Launch Vehicle
Falcon 9 Block 5Falcon
Provider
SpaceXCommercial
Success Rate
—
Total Launches
—all-time
Launch Site
Pad
Space Launch Complex 4EVandenberg SFB
Pad Launches
277from this pad
Site Launches
893from Vandenberg SFB
Latitude
34.6320°
Longitude
-120.6110°
Vandenberg SFB Weather
Status
CAUTIONlaunch site · live
Temperature
13°C55°F · feels 10.2°C
Wind
23 km/h NNW14 mph · 346°
Cloud Cover
96%overcast
Visibility
13.2 kmunrestricted
Humidity
91%high
Precipitation
0 mm0% chance
Pressure
997 hPasurface
Daylight
Conditions
DaytimeVandenberg SFB
Sunrise
05:50 AM PDTlocal
Sunset
08:20 PM PDTlocal
Daylight
14h 30mtotal today
Orbital launches this year#153globally
Agency launches this year#77SpaceX
Launches from this pad277Space Launch Complex 4E
Launches from this site893Vandenberg SFB

Mission Data

Launch VehicleFalcon 9 Block 5
Vehicle FamilyFalcon
Launch Provider🇺🇸 SpaceX
Provider TypeCommercial
ProgramStarlink · Communication Constellation
Mission TypeCommunications
Target OrbitLow Earth Orbit
Launch PadSpace Launch Complex 4E
Location🇺🇸 Vandenberg SFB, CA, USA USA
MapView on Google Maps ↗
Status Note

Current T-0 confirmed by official or reliable sources.

Launch Site Weather

🌡Temperature
13°C55°F · feels 10.2°C
💨Wind
23 km/h NNW14 mph · 346°
🌧Precipitation
0 mm0% chance
💧Humidity
91%
👁Visibility
13.2 km
⬇Pressure
997 hPa
☁Cloud Cover
96%
Daylight · Daytime
Sunrise05:50 AM PDT
Sunset08:20 PM PDT
15h 30m of daylight
Location

Vandenberg SFB, CA, USA

Launch Site

Est. trajectory · LEO
34.6320°N · -120.6110°E

Upcoming Launches

· next 4
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Jun 29, 202602:25 AM UTCin 11h
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Earth Science

Jun 30, 202612:00 AM UTCin 1d 9h
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Test Flight

Jun 30, 202605:00 AM UTCin 1d 14h
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Mission Extension

Jun 30, 202610:23 AM UTCin 1d 19h