/sci/ - Science & Math

glonass btfo edition

Livestream: https://www.youtube.com/watch?v=wufXF5YKR1M
Launch: Thursday, November 5 6:24 PM EST / 23:24 UTC (15 minute window)

Probability of violating weather constraints: 40% (https://www.patrick.spaceforce.mil/Portals/14/Weather/Falcon%209%20GPS%20III-4%20L-1%20Forecast%205%20Nov%20Launch.pdf?ver=fnupM6EKuHHH7Bb5e965ug%3d%3d))
Backup launch: Friday, November 6 6:20 PM EST / 23:20 UTC
Launch vehicle: SpaceX Falcon 9 with first stage B1062.1 (prior launches: N/A)
Launch pad: SLC-40, Cape Canaveral Air Force Station, Florida
Fairings: New
Fairing recovery: On fairing recovery vessel 'Ms. Chief''
First stage landing: On autonomous spaceport droneship ‘Of Course I Still Love You’
Payload: GPS-III-SV04 'Sacagawea'
Payload mass & deployment orbit: ~4000kg; 1,200 x 20,000 km @ 55°
>https://www.lockheedmartin.com/en-us/products/gps.html
>https://www.nasaspaceflight.com/2020/11/spacex-line-launch-fourth-gps/
>https://space.skyrocket.de/doc_sdat/navstar-3.htm

Launch viewing guide for Florida: http://www.launchphotography.com/Delta_4_Atlas_5_Falcon_9_Launch_Viewing.html
SpaceX twitter: https://twitter.com/SpaceX

This will be the 65th landed first stage, and 98th Falcon 9 launch. It is the 20th SpaceX orbital launch of 2020.