SMOV3B SMOV3B PROGRESS As of 20 March TIPS 21Mar02 Carl Biagetti/NISD

SMOV3B TIPS 21Mar02 Carl Biagetti Page 2 LAUNCH: 01 Mar. 2002, 06:22 a.m., EST RELEASE: 09 Mar. 2002, 05:03 a.m., EST SM3b installations with priorities Italics indicates SMOV verification activities. 1.Reaction Wheel (RWA) 2.Solar Array III and Diode Boxes 3.Power Control Unit (PCU) 4.ACS 5.NCS /ESM/Radiator/CPL 7.MLI Bays 5&6 Not installed 6. Gyros 7. MLI Bays 7&8

SMOV3B TIPS 21Mar02 Carl Biagetti Page 3 SMOV3b PLAN MEASURE/MONITOR NEW SPACECRAFT BEHAVIOR POINTING, THERMAL, POWER RECOMMISSION EXISTING SIs STIS, WFPC2 COMMISSION NEW SIs ACS Science/EROs in early April REVIVE NICMOS VIA NCS COOLDOWN Science/EROs in mid/late April

SMOV3B TIPS 21Mar02 Carl Biagetti Page 4 SMOV3b PLAN THROUGH MARCH

SMOV3B TIPS 21Mar02 Carl Biagetti Page 5 SMOV - so far  BEA completes today  ACS – on schedule and nominal  STIS – on schedule & nominal  2 nd end bea test removed  WFPC2 – on schedule & nominal (in PROTECT DECON)  23MAR - Cooldown and UV monitor to begin  NICMOS – Nominal  Cooling down  NCS fails first two start-up attempts => 2 day delay  Cooldown rate is uncertain as of (20mar)  FGS – Nominal  BEA science

SMOV3B TIPS 21Mar02 Carl Biagetti Page 6 MAJOR SMOV MILESTONES (UPDATED AS OF 20 MARCH) Release09 March NICMOS Cooldown (tbd) March(NOMINAL 10-DAY COOLDOWN) STIS Basic GO Science 22 March(No MAMA during initial NICMOS cooldown) WFPC2 Cooldown22 March WFPC2 GO Science26 March ACS ALIGN 22 March – 7 April (may be accelerated 2-3 days) ACS EROs08-11 April “ “ “ ACS Basic GO Science (CCD)11 April “ “ “ NICMOS Filter Wheel Test 28 March – 04 April (may be delayed ~ 1 week) NICMOS Alignment (PAM adjust)05 April – 12 April “ “ “ NICMOS EROs April “ “ “ NICMOS Basic GO Science20 April(without fine aperture locations) SMOV Complete 27 July(ACS/NIC coronographs enabled)