Pegasus XL | Interface Region Imaging Spectrograph (IRIS)

Orbital Sciences Corporation flew Pegasus XL | Interface Region Imaging Spectrograph (IRIS) on a Pegasus XL out of Air launch to orbit, placing its payload in SSO.

Launch time
Status
SUCCESS
Operator
Orbital Sciences Corporation
Mission type
Heliophysics
Rocket
Pegasus XL
Launch site
Air launch to orbit
Launch pad
Vandenberg Space Force Base
Payload
—
Target orbit
SSO
Pegasus XL | Interface Region Imaging Spectrograph (IRIS) cover image

Mission timeline

  1. 2013-06-28T02:27:46.000Z
    Liftoff
    Pegasus XL roars off the pad at Air launch to orbit.
  2. Max-Q
    The vehicle reaches Max Q, the highest aerodynamic load of the flight.
  3. Main engine cutoff (MECO)
    MECO — first-stage propulsion ends after a nominal burn.
  4. Stage separation
    Clean stage separation confirmed.
  5. Second-stage ignition
    The upper-stage engine lights up after separation.
  6. Orbit insertion
    Orbit insertion confirmed — now circling in SSO.
  7. Mission success
    All mission objectives achieved.

Last updated: