SORCE Science team meeting may be held in conjunction with the NewRAD
2001 meeting on the East Coast. A winter meeting is also being considered,
and may be held after the observatory delivery to Orbital, perhaps
in conjunction with the Fall AGU meeting.
Launch vehicle wing and fillet assemblies are complete and will
ship to Vandenburg in June. The fairing alignment and fit check
is scheduled for June 18 at Chandler, Arizona.
LASP/NASA/Orbital will observe the HESSI launch operations June
7 at Kennedy Space Center in order to prepare for the SORCE launch
and launch activities.
The spacecraft structure and instrument module are complete and
the instrument bench was delivered to LASP May 22, 2001. Environmental
test levels for bench-mounted items are expected by the beginning
of June. The instrument module harness has been routed and ring-out
is almost complete. The instrument model has now been installed
on the MGSE (mechanical ground support equipment). The bus power
simulator fabrication is in process and should be finished in June
2001. The SORCE FMEA (failure modes and effect analysis), FTA (fault
tree analysis) and PRA (probable risk assessment) status follow.
The PRA draft results were delivered May 17, 2001. Overall, the
Aerospace Corporation Red Team has determined that SORCE risks are
acceptable. Power, mass and memory budgets are sufficient.
Random vibration and shock/separation testing of the primary structure
has been completed, the instrument mechanical preparation and bake
out was completed at GSFC and the bench was delivered to LASP. The
harness is ready for safe-to-mate and integration and test. Fabrication
of the LVPS (low
power supply) for the APE EDU (attitude power electronics engineering
development unit) was completed and the unit is in test. The battery
thermal vac testing has been done and the battery is now in post-environmental
test. The Star Traker, Fine Sun Sensor EDU (engineering development
units) were delivered and are currently in test, processor loading
measurement is underway and the "gyroless" ECP (engineering
change proposal) has been submitted.
Shock and Vibe Test
Orbital Sciences Corp.