Small Sounding Rocket Program (SSRP)

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ASRI's Low-cost Payload Launch Service

Zuni sounding rocket being launched from LA9 at Woomera

The ASRI Small Sounding Rocket Program (SSRP) was initiated in the mid-1990s to provide Australian educational institutions from universities to primary schools with a high-acceleration rocket payload launch service at very low cost. Some years ago, the SSRP was made available to individuals, companies and foreign universities. More recently, the SSRP has expanded to provide launch management and operation services for non-commercial organisations seeking assistance to launch their own vehicles.

ASRI is proud to provide the SSRP service to the Institution of Engineers, Australia and Kistler Aerospace Corporation as first prize in the annual Kistler Space Endeavour (KSE) competition.

Refer below for information about building a payload and having it launched on an ASRI small sounding rocket.

For information about having ASRI provide launch management and operation services, please contact ASRI.


Launch Vehicles

The SSRP currently utilizes two types of launch vehicles, both of which are based on surplus-to-requirement military rocket motors. To ensure safe operation, these motors are managed under a Surveillance and Service Life Program.

Sighter Launch Vehicle

Sighter launch vehicle

The Sighter vehicle consists of a solid fuel motor 1.4m high and 83mm in diameter to which ASRI has designed and attached various fins and nosecone modules. With a payload of 3kg, the Sighter has an apogee of 5.9km in about 40 seconds, experiencing a vicious 55g and 491m/s (Mach 1.4) during the flight.

Sighter Image Library

Zuni Launch Vehicle

Zuni launch vehicle

The Zuni vehicle consists of a solid rocket motor 130mm in diameter and 1.6m in length. ASRI has designed and constructed custom nosecones and payload recovery mechanisms for the ZUNI. The Zuni has similar altitude/speed characteristics to the Sighter but can deliver a considerably heavier payload.

Zuni Image Library

Launch Operations

SSRP launch campaigns are usually conducted twice a year from ASRI's launch facility at Launch Area 9 in the Woomera Prohibited Area (WPA), South Australia, which is located about 500 km north of Adelaide.

Launch operations are conducted under the auspices of a Range Usage Agreement between ASRI and the Commonwealth of Australia and in accordance with the SSRP Safety and Operations Plan (SOP).

GotoThe SSRP Firing Log details the actual historical launch details, time, payloads etc as well as further technical details on the Zuni and Sighter Motors.

GotoThe SSRP Impact Map details the impact points of motors and payload from Sighter and Zuni launches conducted by SSRP. Note that the map is big (PDF 2.8 Mb) and slow to display. Locations appear last.

The trial specifications and reports detail the activities planned for, and conducted, at each launch campaign.

GotoJuly 1998 Post Trial Report
GotoOctober 1998 Post Trial Report
GotoOctober 1999 Post Trial Report
GotoJuly 2000 Post Trial Report
GotoOctober 2000 Post Trial Report
GotoJuly 2001 Trial Specification
GotoJuly 2001 Post Trial Report ... coming soon!
GotoOctober 2001 Trial Specification
GotoOctober 2001 Post Trial Report ... coming soon!

Building and Launching a Payload

Zuni payload module being recovered

Technical Requirements

Payloads built for launch aboard an ASRI sounding rocket must satisfy certain basic requirements, including, but not limited to:

  • fitting in the cylindrical payload module,
  • meeting mass constraints, and
  • being constructed to withstand launch acceleration.

ASRI is able to provide payload developers with reasonable assistance and is currently developing a Payload Users' Guide (PUG). This guide will include interface standards, safety requirements and a preparation and notification schedule.

Launch Service Fees

ASRI charges a fee for each payload launch, the fee amount depending on the type of organisation. The current fee schedule is shown in Table 1 below. These fees cover ASRI's expenses in:

  • running launch campaigns,
  • maintaining appropriate Public Liability and launch crew insurance coverage,
  • the upkeep of the payload module fleet, and
  • ensuring that the testing and inspection requirements of the Surveillance and Service Life Program for the rocket motors are met.

Table 1. Payload Launch Fee Schedule
UserLaunch Fee
ASRI individual membersFree!
Primary and secondary schoolsFree!
Australian universitiesA$2000
Australian non-profit organisationsA$2000
Commercial and other organisationsA$3000

Further Information

For further information about building a payload and having it launched on an ASRI sounding rocket, please contact ASRI.

ASRINews Articles about the SSRP

GotoASRINews 2, Sighter Rocket Project, Payloads Wanted
GotoASRINews 4, QUT Sighter Rocket Project Launch
GotoASRINews 6, Queensland Sighter Trials
GotoASRINews 6, School Rockets get SA Go Ahead
GotoASRINews 6, Sighter Rocket Payloads
GotoASRINews 6, Woomera Sighter Trials
GotoASRINews 6, Zuni Rocket Program
GotoASRINews 8, Separation System for Sighter Rockets
GotoASRINews 9, Zuni Static Firings
GotoASRINews 13, July 1998 Campaign Post Trial Report
GotoASRINews 13, Trial Specification October 1998 Trial Campaign

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