Launch Thread: SpaceX Falcon 9 - Starlink-L27

No.13101706 ViewReplyOriginalReport
ULA crying in the corner edition
*this is the first time a F9 booster will have flown T E N (10) times!*

Livestream: https://youtu.be/J71s2KmkSrc
Launch window: Sunday, May 9th 2:42 AM EDT / 6:42 UTC (instantaneous)

Probability of violating weather constraints: 20% (https://www.patrick.spaceforce.mil/Portals/14/Weather/Falcon%209%20Starlink-L27%20L-1%20Forecast%20-%2009%20May%20Launch.pdf?ver=9WAKEkHUkl_P0rCYi3Widw%3d%3d)
Launch vehicle: SpaceX Falcon 9 with first stage B1051.10 (prior launches: DEMO-1, RADARSAT, Starlink-L3, Starlink-L6, Starlink-L9, Starlink-L13, SXM-7, Starlink-L16, Starlink-L21)

Launch pad: Space Launch Complex 40 (SLC-40), Cape Canaveral Space Force Station, Florida
First stage landing: On autonomous spaceport droneship 'Just Read the Instructions'
Fairings: "Both of Falcon 9’s fairing halves previously flew on the GPS III Space Vehicle 04 mission."
Payload: 60 Starlink satellites
Payload mass & deployment orbit: ~15,600 kg (~260 kg / Starlink sat); 261 x 278 km(?) @ ~53°
TLE: https://www.celestrak.com/NORAD/elements/supplemental/starlink-V1.0-27.txt

>https://www.spacex.com/launches/
>https://www.starlink.com
>https://space.skyrocket.de/doc_sdat/starlink-v1-0.htm

Launch viewing guide for Florida:
>http://www.launchphotography.com/Delta_4_Atlas_5_Falcon_9_Launch_Viewing.html
>https://www.kennedyspacecenter.com/launches-and-events/events-calendar/see-a-rocket-launch#LaunchViewingTips

SpaceX twitter: https://twitter.com/SpaceX

>116th Falcon 9 flight, 76th landing, 59th reflight of a 1st stage booster
>14th SpaceX orbital launch of 2021