ACE Weekly Report:  04-18-01

All ACE spacecraft subsystems are performing nominally.  An attitude
maneuver was
performed on 04-16-01.  The next attitude maneuver is scheduled for 04-20-01.

Maneuver Start Time=16:34:26	Maneuver End Time=16:41:29
Pre-Maneuver  HGA = -3.477 deg.  Sun Angle =  7.3667 deg.
Post-Maneuver  HGA  = 4.5 deg. Sun Angle =  7.788 deg.
Current S/C range:     1422714.433 km

OCR ULEIS-040 was executed on 4-18-01 to return the ULEIS shutter to
the 100% position.  The shutter had been closed to the 6% position on
04-11-01 to avoid saturation during the recent solar flare.

SSR A's 30 telemetry sections were scrolled through on 04-18-01 to
verify the number of SBEs and DBEs.  No DBEs or new SBEs were
detected;  15 SBEs were originally detected in December 1999.    SSR
B's telemetry will be scrolled through on 04-19-01.

================================================
Jacqueline Maldonado Snell
Honeywell Technology Solutions Incorporated (HTSI)
Goddard Space Flight Center
Bldg. 3 Rm N135C, Code 428.2
Greenbelt, MD 20771
Phone: (301) 286-7072
Fax:   (301) 286-0218
E-mail:   Jacqueline.Snell.1@gsfc.nasa.gov