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An Entity of Type : dbkwik:resource/G7YR4yAvfoe7I_ap4nmguQ==, within Data Space : 134.155.108.49:8890 associated with source dataset(s)

Endeavour began its sixth mission on the morning of 9 April 1994 with an on-time launch at 7:05 am Eastern time. Soon after, the six astronauts began activating the sensitive radar equipment in the payload bay that would be operated around the clock during the next ten days. By 8 pm, the Space Radar Laboratory-1 experiments of NASA's Mission to Planet Earth were all activated and began their study of the earth's ecosystem.

AttributesValues
rdf:type
rdfs:label
  • STS-59
rdfs:comment
  • Endeavour began its sixth mission on the morning of 9 April 1994 with an on-time launch at 7:05 am Eastern time. Soon after, the six astronauts began activating the sensitive radar equipment in the payload bay that would be operated around the clock during the next ten days. By 8 pm, the Space Radar Laboratory-1 experiments of NASA's Mission to Planet Earth were all activated and began their study of the earth's ecosystem.
sameAs
COSPAR ID
  • 1994(xsd:integer)
dcterms:subject
dbkwik:nasa/proper...iPageUsesTemplate
crew6 up
crew4 up
Previous Mission
crew size
  • 6(xsd:integer)
landing date
  • --04-20
flights1 up
  • Second
SATCAT
  • 23042(xsd:integer)
Mission Duration
  • 971370.0
crew photo caption
  • Left to right - Standing: Chilton, Gutierrez; Seated: Godwin, Jones, Apt, Clifford
Name
  • STS-59
crew1 up
crew3 up
terminology
  • Astronaut
Insignia
  • STS-59 mission insignia.svg
Image caption
  • Endeavour in orbit with SIR-C in its payload bay
crew photo
  • Sts-59_crew.jpg
orbit period
  • 5304.0
orbit inclination
  • 57(xsd:integer)
crew2 up
Operator
flights3 up
  • Third
launch site
crew5 up
Mission Type
  • Radar imaging
flights2 up
  • Second
landing site
  • Edwards Runway 22
apsis
  • gee
orbit regime
Programme
Launch date
  • --04-09
flights4 up
  • Second
crew members
Position
  • Pilot
  • Commander
  • Mission Specialist 1
  • Mission Specialist 2
  • Mission Specialist 3
  • Mission Specialist 4
flights6 up
  • First
orbits completed
  • 183(xsd:integer)
flights5 up
  • Second
Next Mission
orbit reference
abstract
  • Endeavour began its sixth mission on the morning of 9 April 1994 with an on-time launch at 7:05 am Eastern time. Soon after, the six astronauts began activating the sensitive radar equipment in the payload bay that would be operated around the clock during the next ten days. By 8 pm, the Space Radar Laboratory-1 experiments of NASA's Mission to Planet Earth were all activated and began their study of the earth's ecosystem. STS-59 ground controllers finished activating the Spaceborne Imaging Radar-C (SIR-C) and began processing its first images of the earth, while engineers working with the X-Band Synthetic Aperture Radar (X-SAR) worked their way through some initial activation problems. Meanwhile, the Measurement of Air Pollution from Satellite (MAPS) instrument took data on the carbon monoxide content and distribution in the atmosphere since shortly after launch. During the initial activation of the X-SAR, controllers reported they were unable to fully power up the amplifier that provides power to the radar. The problem was in the low voltage circuit internal to the power amplifier. Engineers were not immediately able to explain the problem, so they turned off the power amplifier for about three hours. The problem was traced to an oversensitive protection circuit, a type of circuit breaker. The radar lab engineers bypassed the protection circuit and turned on the instrument at about 4:20 pm Saturday. It worked without incident, completing 100 percent of its scheduled observations overnight. Thereafter, X-SAR controllers continued a deliberate, step-by-step check of the instrument, and successfully bounced X-band radar pulses off the Earth and recorded data. All of the instrument's circuits recorded normal readings. The crew also activated Space Tissue Loss investigations on the middeck, and the Getaway Special experiments in the cargo bay.
is Previous Mission of
is Mission of
is Next Mission of
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