NSLSat 1 – Astra – Kodiak LP-3B – 29.02.2020

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Todd Master‏ @MasterActual 2 мин. назад

T-0 planned for 2055Z

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[Чебурашка]

Что показывают последние часы?
62 дня до чего?

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[Игорь Годунов]

Чебурашка написал:
Что показывают последние часы?
62 дня до чего?

день года. вероятно

[tnt22]

03/02/2020 23:45 Stephen Clark

Three CubeSats are on-board today's mission. As part of the DARPA Launch Challenge, which is designed to test the responsiveness of the launch provider, Astra was not informed of the payloads until Jan. 22, just a month before the opening of the launch window.

One Prometheus CubeSat developed by Los Alamos National Laboratory for the Department of Defense will fly on Astra's rocket. A series of Prometheus CubeSats have launched on previous missions, and the shoebox-sized Prometheus nanosatellite launching from Kodiak will demonstrate capabilities aimed at "reducing tasking and data dissemination timelines to provide military operators with tactically relevant information."

Two identical CubeSats from the University of South Florida will also launch on a mission named ARCE-1.

The twin CubeSats "will fly together in the same orbit and perform inter-satellite networked communications and a high degree of system autonomy," according to DARPA.

"Through ARCE-1, the University of South Florida aims to demonstrate the algorithms and hardware systems necessary to support large constellations of LEO (Low Earth Orbit) satellites that will intelligently reconfigure around different tasks, gracefully handle faulty and failed satellites, and operate with a minimum of oversight from Earth-based operators," officials wrote on DARPA's website.

There's also a miniature radio beacon that will remain attached to the Astra rocket's second stage once in orbit. The Space Object Automated Reporting Systems, or SOARS, transmitter from Tiger Innovations will allow engineers to improve orbit tracking and space situational awareness.

Astra will attempt to place the payloads into an orbit roughly 276 miles (445 kilometers) in altitude, with an inclination of 97.2 degrees to the equator.

[Чебурашка]

Игорь Годунов написал:
 

Чебурашка написал:
Что показывают последние часы?
62 дня до чего?

день года. вероятно

Часы идут в обратную сторону вроде

[tnt22]

Игорь Годунов написал:
 

Чебурашка написал:
Что показывают последние часы?
62 дня до чего?

день года. вероятно

Это не вероятно, а точно - 2 марта с.г., 62-е сутки с начала года

[tnt22]

03/02/2020 23:52 Stephen Clark

The Kodiak range controller reports the range is go for launch.

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Hold!

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03/02/2020 23:55 Stephen Clark

The hold was called at T-minus 53 seconds by Astra's guidance, navigation and control officer.

[tnt22]

03/02/2020 23:57 Stephen Clark

Today's launch window extends to 6:30 p.m. EST (2:30 p.m. Alaska time; 2330 GMT), so there's some time to resolve whatever issue triggered the hold and still attempt launch today.

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03/03/2020 00:07 Stephen Clark

Mike Curie, the host of DARPA's webcast, says the launch team audio loop is quiet as teams discuss their next steps offline.

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03/03/2020 00:27 Stephen Clark

DARPA reports the range is "red" at Pacific Spaceport Complex - Alaska. Live coverage will resume in about a half-hour.

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