BIRDS-2 Deployment Date and First Signal Acquisition Plan for BIRDS GSN

We have a date. The three CubeSats of BIRDS-2 project are scheduled to be released from the JAXA Kibo Module of ISS on August 10, 2018, 18:45 JST (UTC+9).  Based on our initial calculations, the satellites are expected to be flying above Mongolia when it starts the transmission of CW Beacon signals after 30 minutes mandatory no RF period upon release from ISS.

ISS Release Time (UTC+9)
Antenna Deploy @ 30 mins  CW Beacon Starts
August 10 18:45 19:15 Satellite location is approaching Mongolia 19:17

All the member Ground Stations (GS) of the BIRDS Ground Station Network (GSN) will be alert during this initial signal acquisition phase. The constellation of CubeSats are expected to fly over the GSs of BIRDS GSN as indicated in the table below.

Date

AOS (UTC+9)

LOS (UTC+9)

Elevation (deg) Duration (minutes) Ground Station
August 10 19:16:59 19:24:57 65.8 8 Mongolia
19:23:16 19:30:46 31.7 8 Japan
20:53:38 21:00:58 28.7 8 Mongolia
21:00:05 21:06:34 18.1 6 Japan
21:00:10 21:07:35 29.8 7 Taiwan
21:02:52 21:08:31 13.2 6 Philippines
22:30:51 22:37:58 23.9 7 Bhutan
22:32:03 22:38:25 16.8 6 Bangladesh
22:35:48 22:42:12 17.1 7 Thailand
22:37:33 22:42:39 11.5 5 Taiwan
22:38:37 22:45:32 21.9 7 Philippines

 

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