Author Topic: SpaceX Falcon 9 : Iridium NEXT Flight 4 : December 22/23, 2017 - UPDATES  (Read 5446 times)

Online Chris Bergin

UPDATE THREAD for Flight 4 of the Iridium NEXT missions.

Iridium NEXT launch has been targeted by SpaceX for December 22, 2017 at 5:27 p.m. PT on a Falcon 9 from SLC-4E at Vandenberg.  Landing of first stage on ASDS is expected.

   Flight 4 will launch into plane 2.  One of the satellites will then drift to plane 1.

   NSF Threads for Iridium NEXT Flight 4: Discussion / Updates / L2 Coverage November-December / ASDS / Party
   NSF Articles for Iridium NEXT Flight 4:

See the Flight 1 Discussion Thread for more information and links to other Iridium Next threads and articles.

General information for Iridium flights 1-5 & 7-8
   Payload Mass: 8600kg for 10 satellites + 1000kg for dispenser = 9600kg
   Launch orbit: 625km, 86.66 degrees
   Operational orbit: 778km, 86.4 degrees

81 Satellites will be built for Iridium NEXT, with 66 being needed for a fully operational constellation.  All of the satellites will carry ADS-B aviation tracking hosted payloads for Aireon, and 60 of the satellites will carry AIS maritime tracking hosted payloads for exactEarth.

Other SpaceX resources on NASASpaceflight:
   SpaceX News Articles (Recent)  /   SpaceX News Articles from 2006 (Including numerous exclusive Elon interviews)
   SpaceX Dragon Articles  /  SpaceX Missions Section (with Launch Manifest and info on past and future missions)
   L2 SpaceX Section

Online Chris Bergin

SpaceX Opens Media Accreditation for Iridium-4 Mission

HAWTHORNE, Calif. – Nov. 20, 2017. Media accreditation is now open for SpaceX's Iridium-4 mission from Space Launch Complex 4 East (SLC-4E) at Vandenberg Air Force Base in California. The launch is targeted for no earlier than December 22.

A flight-proven Falcon 9 rocket will deliver 10 satellites to low-Earth orbit (LEO) for Iridium, a global leader in mobile voice and data satellite communications.


Offline vaporcobra

Another lovely video with Matt, some great shots from Iridium-3 and brief discussion of the history of reuse between Iridium and SpaceX.


Online FutureSpaceTourist

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T minus 10 days to Iridium-4! All systems go at this point - encapsulating payloads now and rocket processing on track. Keeping an eye on CA fires, but so far not looking like a problem (but wishing them to end for Californians).

Offline Raul

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Launch Four Iridium Emblem

Offline Michael Baylor

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Static fire test of Falcon 9 complete—targeting December 22 launch of Iridium-4 from Vandenberg AFB in California.

Offline gongora

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Tweet from Matt Desch:
My schedule, provided by SpaceX shows it as 5:27:23 PST...