Key statistics
Satellite STARLINK-3309 at a glance.
Uptime
1302
Days in orbit
Revolutions
≈ 15.1
Per day
Orbit
LEO
Low Earth Orbit
Inclination
53.2
Latest
Satellite identification and parameters
Extended collection of information and parameters for STARLINK-3309.
Object identification
Identified? True
Debris? False
Object name: STARLINK-3309
International designator: 2021-125C
Object number (NORAD): 50158
Object ID (CCSDS): 50158
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 95.437 minutes
Inclination: 53.2168 deg
SMA: 6917.871 km
Apoapsis: 540.473 km
Periapsis: 539.0 km
RAAN: 262.0854 deg
Eccentricy: 0.0001064
Argument of periapsis: 85.2839 deg
Mean anomaly: 274.8274 deg
Mean motion: 15.08842928 rev/day
Mean motion (dot): 0.00000686 rev/day2
B* drag term: 0.000061181 1/REarth
Two-line elements (TLE)
Creation date: July 11, 2025, 6:37 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 11, 2025, 10:51 a.m. UTC
TLE line 0: 0 STARLINK-3309
TLE line 1: 1 50158U 21125C 25192.45274203 .00000686 00000-0 61181-4 0 9997
TLE line 2: 2 50158 53.2168 262.0854 0001064 85.2839 274.8274 15.08842928200103
Live tracking on map
Real-time ground track for satellite STARLINK-3309.
In-orbit conjunctions
There are no conjunctions computed for STARLINK-3309, at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
A batch of 52 satellites for Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
STARLINK-3309 was lifted into orbit during the mission ‘Falcon 9 Block 5 | Starlink Group 4-4’, on board a Falcon 9 space rocket.
The launch took place on Dec. 18, 2021, 12:41 p.m. from Space Launch Complex 4E.
For more information about the launch, click the button.
Falcon 9 Block 5 | Starlink Group 4-4
Agency: N/A
Status: Launch Successful
Launch date: Dec. 18, 2021, 12:41 p.m. UTC
Rocket: Falcon 9
Launch pad: Space Launch Complex 4E
Location: Vandenberg SFB, CA, USA
...
Latest news about this satellite
SpaceX Falcon 9 completes rare 53 degree inclination launch from Vandenberg
In the company’s third-to-last launch of 2021, SpaceX deployed another group of Starlink satellites to low Earth orbit early on Saturday morning. The Starlink Group 4-4 mission launched 52 Starlink satellites into a 53.22° inclination orbit at 4:41 AM PST...
SpaceX completes second Falcon 9 launch and landing in 15 hours
SpaceX has successfully completed two Falcon 9 launches and booster landings in just 15 hours, delivering around 20 metric tons (44,000 lb)...
SpaceX launches Starlink satellites from California on unusual coast-hugging trajectory
SpaceX deployed 52 more Starlink internet satellites into orbit early Saturday after a predawn launch from Vandenberg Space Force Base in California that routed a Falcon 9 rocket on an unusual track southeast from the West Coast spaceport over Baja Califo...
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