STS-109

**STS-109**
Organization	NASA-Office of Space Flight (United States)
Mission type	Resupply/Refurbishment/Repair
Launch date	March 1, 2002
Launch vehicle	Space Shuttle
Launch site	Cape Canaveral, United States
COSPAR ID	2002-010A
Inclination	28.5 degrees
Experiments	Here
Alternate Names	27388
Additional Information	Here
Data Collection	Here
Payload Mass Up	12516.42 kg
Payload Mass Down	11689.55 kg
Orbiter	Columbia
Lift Off Mass	2,052,566.36 kg
Orbiter Weight at Liftoff	118,484.09 kg
Orbiter Weight at Landing	117,630.91 kg
Landed	Concrete runway 33 at Kennedy Space Center, Fla.
Orbits of Earth	165
Orbital Altitude	308 nautical miles

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Crew

Commander: Scott D. Altman
Pilot: Duane G. Carey
- Payload Commander: John M. Grunsfeld
- Mission Specialist 1: Nancy J. Currie
- Mission Specialist 2: James H. Newman
- Mission Specialist 3: Richard M. Linnehan
- Mission Specialist 4: Michael J. Massimino

Mission

STS 109 is an American shuttle spacecraft that was launched from Cape Canaveral at 11:22 UT on 1 March 2002. Its mission was to repair and refurbish the Hubble Space Telescope. During five spacewalks, the crew of seven astronauts installed a new Advanced Camera for Surveys (ACS), new rigid Solar Arrays (SA3), a new Power Control Unit (PCU), a new Cryocooler for the Near Infrared Camera and Multi-Object Spectrometer (NICMOS which had remained inoperative since 1999 after an unexpected loss of coolant). The ACS camera replaces the Faint Objects Camera (FOC) which was brought back to Earth. The new solar arrays are 30% smaller than the older ones, but produce 20% more power; the older panels were returned to Earth. STS 109 (3B) is the fourth servicing mission to the HST, after the previous, 3A mission in December 1999. For more details see http://science.ksc.nasa.gov/shuttle/missions/sts-109/mission-sts-109.html The shuttle landed back at Cape Canaveral at 09:32 UT on 12 March 2002.

EVA

Extravehicular Activity (EVA) conducted by John Grunsfeld, Richard Linnehan, James Newman, and Michael Massimino during five spacewalks for a total of 35 hours, 55 minutes. EVA 1, 7 hours, 1 minute; Grunsfeld and Linnehan replaced the starboard solar array. EVA 2, 7 hours, 16 minutes; Newman and Massimino replaced the port solar array and reaction wheel assembly. EVA 3, 6 hours, 48 minutes; Grunsfeld and Linnehan replaced the power control unit. EVA 4, 7 hours, 30 minutes; Newman and Massimino replaced the Faint Object Camera with the Advanced Camera for Surveys. EVA 5, 7 hours, 20 minutes; Grunsfeld and Linnehan installed a new cooling system for the Near-Infrared Camera and Multi-Object Spectrometer.

Payload

Hubble Space Telescope Servicing Mission 3B; Advanced Camera for Surveys; new rigid solar arrays (SA3); new power control unit (PCU); new cryocooler for Near-Infrared Camera and Multi-Object Spectrometer (NICMOS); reaction wheel assembly (RWA1)

Mission patch: