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Coundown to Launch

ASTRO-E was launched from the Kagoshima Space Center on an M-V (M-five) rocket, the first of which launched the MUSES-B satellite (now renamed HALCA) in February of 1997, at 10:30 JST on 10 February 2000. However, due to a first stage malfunction, ASTRO-E failed to reach orbit.

This page records the excitement of days leading up to that unfortunate event.

See also the first person account of this period by Dr. Kevin Boyce, a member of the ASTRO-E team, and the Pre-Launch Press Release.


As of 4:20 pm JST on February 7th, ASTRO-E is ready for launch at 10:30am JST on the 8th. The only concern is the 20% chance of rain forecast for the area for the morning of the 8th.

Launch Schedule

Blue indicates an event that has already taken place.
2000Jan. 5-7Ship to KSC
 Jan. 8-18Satellite final check
 Jan. 19-30Mate satellite to 3rd stage
 Jan. 31Mate satellite+3rd stage to 2nd and 1st stages.
 Feb. 1-4Launcher final check
 Feb. 5Launch rehearsal
 Feb. 6-7Final preparations (Neon cool-down/Helium top-off)
 Feb. 10Launch
 Launch + 1-3 days (d)Raise perigee
 +4 dSpin down
 +5 d3 axis stabilization / Sun acquisition / paddle extension
 +9 dStar Tracker turn-on and check
 +10 dExtended Optical Bench extension (The final configuration, which keeps the mirrors ~4.5 m in front of the detectors, won't fit into the nose faring of the rocket, so a part of it is collapsed, making the total length ~3m in the launch configuration.)
 +11-12 dBegin normal attitude control
 +16-26 dInstrument turn-on (beginning with HXD High Voltage (HV) on and ending with XRS gate valve and XIS door open; this is called 'first light')
 +29 dScience Working Group observations begin (instrument, software and operation teams, plus a few outside observers)

Older News:

2/10/99: It is now less than 1 year to launch! The Goddard XRS team has delivered the instrument to Japan, and it has been successfully integrated with the neon dewar which was built in Japan.

7/31/98: The delivery of the X-ray Imaging Spectrometer (XIS) flight unit to Japan has been pushed forward by 1 month to accommodate a design modification to the CCD mounting design for better performance during pyro-shock. The instrument will undergo various electrical interface tests once it arrives in Japan.

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