Neha Patil (Editor)

Antares A ONE

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Operator
  
Orbital Sciences

SATCAT no.
  
39145

Spacecraft
  
Cygnus mass simulator

COSPAR ID
  
2013-016D

Mission duration
  
603 seconds

Antares A-ONE

Mission type
  
Technology demonstration

Antares A-ONE was the maiden flight of Orbital Sciences' Antares rocket with a boilerplate payload, the Cygnus Mass Simulator, which was launched 21 April 2013. It was launched from Pad 0A at the Mid-Atlantic Regional Spaceport (MARS) on Wallops Island, Virginia, USA. The boilerplate payload simulates the mass of the Cygnus cargo spacecraft. This dummy payload was sent into an orbit of "approximately 150 by 160 miles" (240 km x 260 km) with an inclination of 51.6 degrees.

Contents

Four Spaceflight Inc. CubeSat nanosatellites were deployed from the dummy payload.

This launch along with several other activities leading up to it, are paid milestones under NASA's Commercial Orbital Transportation Services program.

Payloads

The primary payload was the Cygnus Mass Simulator (CMS). It had a height of 199.25 inches (5,061 mm), a diameter of 114 inches (2,900 mm) and a mass of 8,400 pounds (3,800 kg). It was equipped with 22 accelerometers, 2 microphones, 12 digital thermometers, 24 thermocouples and 12 strain gages.

The secondary payloads were four CubeSats that were deployed from the CMS. Three of them were PhoneSats, 1U CubeSats built by NASA's Ames Research Center. These were named Alexander, Graham and Bell, after the inventor of the telephone. The purpose of these three satellites was to demonstrate the use of smartphones as avionics in CubeSats. They each had a mass of 2.48 lb (1.124 kg) and were powered by lithium batteries. The fourth nanosat was a 3U CubeSat, called Dove-1, built by Cosmogia Inc. It carried a "technology development Earth imagery experiment" using the Earth's magnetic field for attitude control.

Mission timeline

  • Lift off of the Antares rocket occurs two seconds after the first stage engines are ignited.
  • The first stage engines shut off 228 seconds after lift-off.
  • At 233 seconds, the second stage separates from the first.
  • At 317 seconds, the payload fairing is jettisoned.
  • At 326 seconds, the second stage's engine is ignited.
  • At 481 seconds, the second stage is shut off.
  • At 601 seconds, the Cygnus Mass Simulator separates.
  • References

    Antares A-ONE Wikipedia