This will be the tenth flight of the Falcon 9 first stage rocket booster supporting this mission, which previously launched Crew Dragon’s first demonstration mission to the International Space Station, the RADARSAT Constellation Mission, SXM-7, and six Starlink missions. Following stage separation, SpaceX will land Falcon 9’s first stage on the “Just Read the Instructions” droneship, which will be located in the Atlantic Ocean. Both of Falcon 9’s fairing halves previously flew on the GPS III Space Vehicle 04 mission.
Each Starlink satellite weights approximately 260 kg and features a compact, flat-panel design that minimizes volume, allowing for a dense launch stack to take full advantage of Falcon 9’s launch capabilities. With four powerful phased array and two parabolic antennas on each satellite ... At end of their life cycle, the satellites will utilize their on-board propulsion system to deorbit over the course of a few months. In the unlikely event their propulsion system becomes inoperable, the satellites will burn up in Earth’s atmosphere within 1-5 years, significantly less than the hundreds or thousands of years required at higher altitudes. Further, Starlink components are designed for full demisability.Starlink is targeting service to near global coverage of the populated world by 2021. Additional information on the system can be found at starlink.com.
SpaceX is set to fly a Falcon booster for a record 10th time as early as Sunday.
It seems that this mission launched 60 starlink satellites, while the Starlink L26 could launch less since a shared mission is expected and this could be the indicator of why L27 flew before L26
That's right, they would be the two Capella 5, 6 capella space satellites and the PredaSAR 1 satellite of PredaSAR.
Scheduled:Date - Satellite(s) - Rocket - Launch Site - Time (UTC)2021May 9 NET May - Starlink flight 27 28 (x60) [v1.0 L27] - Falcon 9-117 (1051.10 S) - Canaveral SLC-40 - 06:42:45(Starlink: launch 20-22 minutes earlier/day)May 15 Q2 April? mid - Starlink flight 28 27 (less than x60?), Capella 5 & 6? [v1.0 L26] - Falcon 9-118 (1058.8 S) - Kennedy LC-39A - 22:58(Starlink: launch 20-22 minutes earlier/day)May 17 - SBIRS-GEO 5 - Atlas V 421 - Canaveral SLC-41 - 17:35NET May before SXM-8 launch campaign? - Starlink flight 29 (x60) [v1.0 L28] - Falcon 9 (S) - Canaveral SLC-40? / Kennedy LC-39A(Starlink: launch 20-22 minutes earlier/day)June 1 NET Q2 - SiriusXM SXM-8 - Falcon 9 (S) - Canaveral SLC-40 - 04:25June 3 early June - Dragon v2 SpX-22 (CRS-22) - Falcon 9 (1067.1 S) - Kennedy LC-39A - ~17:00(ISS flights: launch 22-26 minutes earlier/day)Mid-June? - Starlink flight 30 (x60) [v1.0 L29]? - Falcon 9 (S) - Kennedy LC-39A? / Canaveral SLC-40(Starlink: launch 20-22 minutes earlier/day)June 17 July - GPS III SV05 - Falcon 9 (B1062.2 S) - Canaveral SLC-40 - 22:00-01:00 June 18(GPS: launch about 4 minutes earlier/day)June 23 - STP-3: STPSat-6, LDPE-1, small satellite (x6) - Atlas V 551 - Canaveral SLC-41Changes on March 13thChanges on March 16thChanges on March 23rdChanges on March 27thChanges on March 31stChanges on April 2ndChanges on April 4thChanges on April 7thChanges on April 15thChanges on April 16thChanges on April 19thChanges on May 4thChanges on May 6thChanges on May 9thzubenelgenubi
042006Z MAY 21HYDROPAC 1351/21(61,75,76).SOUTHEASTERN INDIAN OCEAN.DNC 03, DNC 04, DNC 05.1. HAZARDOUS OPERATIONS, SPACE DEBRIS 090753Z TO 091006Z MAY, ALTERNATE 100732Z TO 100954Z MAY IN AREA BOUND BY 29-43S 060-07E, 24-55S 064-27E, 38-45S 084-30E, 45-12S 099-45E, 49-46S 119-13E, 50-42S 138-19E, 48-50S 156-44E, 51-46S 158-08E, 54-42S 148-32E, 56-20S 131-03E, 55-52S 107-50E, 49-11S 085-05E, 34-32S 064-13E.2. CANCEL THIS MSG 101054Z MAY 21.
Departure! JRTI droneship is outbound for another Starlink mission, passing by the booster she brought back only a few days ago....Live via NSF Fleetcam: youtu.be/gnt2wZBg89g
Using pre-launch state vectors provided by @SpaceX, CelesTrak has SupTLEs for the #Starlink V1.0-27 (not a typo) launch which is set for 2021-05-09 06:42 UTC. Deployment of 60 satellites is scheduled to occur at 07:46:35.820 UTC: https://celestrak.com/NORAD/elements/supplemental/.