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Sherpa-AC

Sherpa-AC 1 [Spaceflight Inc.]

The Sherpa-AC, developed by Spaceflight Inc., is a free flying satellite deployer featuring chemical propulsion.

Sherpa-AC augments the base Sherpa-FX with key capabilities to make it ideal for servicing hosted payloads. In addition to the Sherpa-FX functionality, Sherpa-AC includes a flight computer, attitude knowledge & control, an electrical power system (solar panels, batteries, etc.), and basic 2-way RF communications. In addition to deploying multiple satellites, Sherpa-AC is well-suited for accommodating hosted payloads in LEO for up to a year.

The first mision, Sherpa-AC 1, carries two hosted payloads:

  • Xona is launching Huginn, the first of two missions demonstrating the capability of their Pulsar constellation. Pulsarís revolutionary architecture uses small but powerful satellites in low Earth orbit, more than 20x closer to Earth than GPS, to deliver high-performance navigation and timing services. Pulsar is designed to meet the stringent demands for precision, security, and resilience that are required for modern users such as autonomous vehicles and machine control. Huginnís mission is to validate the core technology for the Pulsar constellation by transmitting the first precision navigation signals from a LEO spacecraft as well as demonstrating advanced functionality such as on-orbit reprogrammability and modern signal security implementations. This mission marks a huge step towards realizing a new generation of navigation systems.
  • TROOP-3 (Train-Rapid on Orbit Payload) will provide 24/7 telemetry plus critical mission data while hosting payloads for experimental testing. As a hosted payload, TROOP will remain attached to the Sherpa OTV for the duration of the vehicleís life in orbit, which will be around eight years. NearSpace Launchís goal is to help organizations track and report the location of their spacecraft to fight orbit debris and is planning many more missions with Spaceflight to enable these capabilities for more organizations.
Nation: USA
Type / Application: Satellite deployment
Operator: Spaceflight Inc.
Contractors: Spaceflight Inc.
Equipment: CubeSat deployers
Configuration:
Propulsion: None
Power: Solar cells, batteries
Lifetime:
Mass:
Orbit: 500 km SSO
Satellite COSPAR Date LS Launch Vehicle Remarks
Sherpa-AC 1 2022-057AH 25.05.2022 CC SLC-40 Falcon-9 v1.2 (Block 5) with Umbra 03, ICEYE X17, ..., X20, X24, —uSat 28, ..., 31, GHGSat C3, C4, C5, Hawk 5A, 5B, 5C, CICERO-2 1, 2, Sherpa-AC 1, ION-SCV 006, Guardian 1, SBUDNIC, Vigoride 3, SelfieSat, FossaSat 2E7, ..., 2E13, Veery FS-1, Urdaneta-Armsat 1, Spark 2, AMS, CNCE 4, 5, Platform 1, BroncoSat 1, Foresail 1, Planetum 1, SPiN 1, Connecta T1.1, Centauri 5, Lemur-2 152, Lemur-2 153, ..., 156, VariSat 1C, PTD 3, CPOD A, B, OMD 1

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