Presentation given at the WIRA Q1 General Meeting by Dan Givens, Antares Site Manager for Wallops Flight Facility

1. Antares Status Update
Dan Givens, Antares Site Manager for Wallops Flight Facility
January 2017

2. Antares Launch Vehicle Overview
Currently Under Contract
to Support NASA
International Space Station
(ISS) Re-supply Missions
Thru 2024
VEHICLE PARAMETERS
• Gross Liftoff Mass: 290,000 – 310,000 kg
• Vehicle Length: 42.5 m
• Vehicle Diameter: 3.9 m
STAGE 1
• Liquid Oxygen/RP-1 fueled
• Two Energomash RD-181 engines with Independent
Thrust Vectoring
• 3.9 meter Aluminum Booster
STAGE 2
• Orbital ATK CASTOR® 30XL Solid Motor with
Active Thrust Vectoring
• Orbital MACH avionics module
• Cold-gas 3-axis Attitude Control System
PAYLOAD FAIRING
• 3.9 meter diameter by 9.9 meter envelope
• Composite Construction
• Non-contaminating Separation Systems
Available Commercially
7000 Kg to 200 Km x 38o
~3500 kg to SSO from WFF
Medium Lift Performance
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3. Antares 230 Configuration and CRS1 Manifest
Payload
Fairing
Avionics
Module
Castor 30XL
2nd Stage
LO2 Tank
Intertank
RP-1
TankAft
Bay
2x RD-181
Main
Engines
Downcomer
Interstage
Fairing Extension
Cylinder & Adapter
Motor
Cone
Fairing
Jettison
Cylinder
Thrust
Adapter
Mission Configuration
COTS Test Flight 110
COTS-Demo 110
Orb-1 120
Orb-2 120
Orb-3 130
OA-4 Atlas V
OA-6 Atlas V
OA-5 230
OA-7 Atlas V
OA-8 230
OA-9 230
OA-10 230
OA-11 230
Baseline Core, AJ26 Engines, CASTOR 30 110
Baseline Core, AJ26 Engines, CASTOR 30B 120
Baseline Core, AJ26 Engines, CASTOR 30XL 130
Baseline Core, RD-181 Engines, CASTOR 30XL 230
Antares Configuration Key
Antares 230 Configuration was Developed by Upgrading
Main Engines to RD-181 and Adapting other Vehicle and
Ground Systems to Accommodate the New Engines
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4. Antares 230 Stage Test Summary
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5. Antares 230 Stage Test Overview
 The Antares 230 Stage Test was the major system-level verification activity prior to
the OA-5 return to flight mission
 Similar to the Stage Test conducted in 2013 prior to the first flight of Antares, the test
article was comprised of the integrated first stage of the Antares 230 launch vehicle
 The Test was performed at Pad 0A at Wallops Flight Facility
 Operation/Test objectives & description summary
 The Wet Dress Rehearsal verified and demonstrated all processes and operations
required to properly configure the test article for engine ignition
 The Hot Fire test verified operation and performance of the integrated Antares 230
first stage featuring the upgraded RD-181 propulsion system
− The Hot Fire test featured a 30 second duration firing of both RD-181 main engines at
flight thrust levels
− Mixture ratio excursions and TVC profiles were commanded during the Hot Fire test
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6. Stage Test Overview (Pad Rollout)
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7. Stage Test Completed 31 May 2016
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8. OA-5 Mission Data Review Summary
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9. Orbital ATK Combined Antares/Cygnus Team
Has Heritage From Five Prior Flights
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10. OA-5 Mission Summary
 OA-5 launched successfully from Wallops Flight Facility at 7:45pm EDT on 17 Oct
2016 within a 5 minute window
 Launch occurred on the first launch attempt
 All Antares mission requirements were achieved, including:
 Orbit insertion requirements
 Payload separation requirements
 Payload ground and flight environments
 In summary, OA-5 was a very successful mission with no identified flight anomalies
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11. OA-5 Cygnus Mission Performance
 Excellent launch and injection from Antares
 First flight with two TriDARs
 Second flight of the NRCSD-E
 Second flight of NASA Saffire Experiment
 Cygnus successfully rendezvoused and berthed with ISS
 Stayed attached to ISS for 30 days
 Deployed four cubesats post departure
 100 km above ISS
 No anomalies are being tracked
 Excellent Cygnus performance throughout the mission
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12. OA-5 Mission
Liftoff

13. OA-5 Mission
Ascent – Second Stage Burn

14. OA-5 Mission
Cygnus Grappled

15. OA-5 Mission
Welcome S.S. Alan Poindexter!

16. Antares Future Manifest
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Mission Launch Date Launch Vehicle
Configuration
OA-5 Oct 2016 Antares 230
OA-8 Jun 2017 Antares 230
OA-9 Oct 2017 Antares 230
OA-10 Mar 2018 Antares 230
OA-11 Dec 2018 Antares 230
NOTE: CRS2 Missions are Yet to be Awarded (2019 – 2024)

17. Summary
 Orbital ATK has completed development of the new Antares 230 configuration
 Features new RD-181 main engines
 RD-181 main engines completed certification for use on Antares
 Stage test completed successfully on 31 May 2016
 Antares returned to flight with the OA-5 mission on 17 Oct 2016
 Data review has shown all systems performed very well
 Key engineering models on Stage 1 and Stage 2 were verified
 Antares performance to orbit slightly better than expected – will enable more
performance on future flights
 Orbital ATK has been selected for the follow on CRS2 contract
 Period of Performance (2019 – 2024)
 Missions have yet to be awarded (6 minimum missions)
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The OA-5 Mission Was a Spectacular Success and Has
Returned Antares to Flight Operations!

18. Thank You for Attending!
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