2006 AIAA/USU Small Satellite Conference AtlasAtlas SecondarySecondary andand DualDual PayloadPayload AccommodationsAccommodations August 17, 2006 Gerard Szatkowski 17 August 2006 1 Atlas V Family Evolution 2006 AIAA/USU Small Satellite Conference • Improving performance & reliability • Improving primary & secondary accommodations 17 August 2006 2 EELV Secondary Payload Adapter (ESPA) 2006 AIAA/USU Small Satellite Conference • Produced by CSA Engineering Inc. Mountain View Ca www.csaengineering.com • 1st Flight is STP-1 scheduled for Nov 2nd 2006 • a Primary and 5 SPs – Orbital Express (primary) with MidStar-1 at 492km circular, 46 deg incl – NPSAT1, STPSat-1, CFE, FalconSat-3 at 560km circular, 35.4 deg incl 17 August 2006 3 Integrated Payload Carrier (IPC) 2006 AIAA/USU Small Satellite Conference • Comprised of a C-22 Adapter, ESPA Ring, and a C-29 Adapter • Can use a D1666 Separation System • Selected for the LRO Mission 17 August 2006 4 Secondary Payload Carrier (SPC) 2006 AIAA/USU Small Satellite Conference • SPC Platforms on an ESPA Ring provides vertical loads to SPs Separate, ∅591-mm (∅23 ¼-in.) Separation System Interface Removable Platforms Enable ∅381-mm (∅15-in.) ESPA Equivalent Separation System Interface Easier SP Fit Checks ESPA Ring 1 to 4 Removable & Interchangeable Platforms Can Be Located at Either of 2 Elevations Aluminum Construction Platform Upper Panel Easily Modified for Nonstandard Interface 1 to 4 Volumes Measuring 76x76x76 cm (30x30x30 in.) or More Half- Pegasus Equivalent Volume Rectangular Volume Exceeds STS SHELS Volume 1 to 4 Secondary Payloads at Up to 200-kg Each Interchangeable Bolt Patterns Enable Dual Platform Positions Common Atlas Payload Adapter Interface Top & Bottom 17 August 2006 5 SPC Configurations 2006 AIAA/USU Small Satellite Conference 4-m Fairing Primary Payload Separation Ring 4-m Diameter Large Payload C-29 Adapter Fairing (LPF) Upper Deck 2 PL (Located To Avoid 4-m Primary Payload Fairing Jettison Sweep Zones) C-13 Adapter Centaur Forward Adapter Jettison Sweep Zone (2 Pl) 5-m Fairing 5.4-m Short Payload Fairing Lower Deck Primary 4 PL Payload C-22 Adapter SPC with 4 SPs 17 August 2006 6 IPC with Internal Payload 2006 AIAA/USU Small Satellite Conference • The IPC can accommodate an Internal Payload and separation system allowing for various combinations of SP sizes, & masses 76 cm (30 in.) D1666 VS Payload Separation Ring (PSR) 76 cm 76 cm ESPA SP SP (30 in.) (30 in.) C-13 Adapter 1,524 mm (60.0 in.) I.D. Centaur Forward Adapter Allowable SP Diameter When Mounted on the IPC B1194VS Payload Primary Payload D1666VS B1194VS Separation Ring NASA 76-cm Separation System (30-in.) Cube C-29 Adapter 3PL Separating SP Ø1219 mm (Ø48 in.) Ø762 mm (Ø30 in.) Nonseparating SP Ø1372 mm (Ø54 in.) Ø1372 mm (Ø54 in.) Two SPC Platforms IPC 17 August 2006 7 Secondary Payload Accommodations 2006 AIAA/USU Small Satellite Conference . Secondary Payload Carrier (SPC) Internal Payload Carrier (IPC) Mass Dimensions No. of SPs Command Telemetry Mass Dimensions SP Qty Command Telemetry SPC 200 kg 76x76x115 cm Up to 4 SPs 1 Primary & 1 1 Separation Baseline per SP or on SPC Redundant Verification Capability (440 lb) 61x162x115 cm Separation Signal per SP or Signal per SP Ø97x115 cm IPC 200 kg Minimum 1 SP per IPC 1 Primary & 1 1 Separation Baseline per SP Ø76x76 cm Redundant Verification Capability (440 lb) Separation Signal per SP Signal per SP Baseline Capabilities Presented Can Be Incrementally Enhanced 17 August 2006 8 Type-C Carrier (TCC) 2006 AIAA/USU Small Satellite Conference C-22 Adapter flies on every Atlas launch Can carry up to 6 Carrier Plates Each Carrier Plate can hold 150 lbs Can use pPods Dispensers or other systems Cube Sat (from CalPoly) pPod Dispenser (from CalPoly) [email protected] 303-977-5066 17 August 2006 9 Dual Spacecraft Carrier (DSC) 2006 AIAA/USU Small Satellite Conference • Uses 4M fairing to accommodate smaller payloads • Support structure uses existing hardware 17 August 2006 10 m3 : ATLAS MS7M3 - Go Atlas / Go Centaur : kwcope : /pa Dual Payload Carrier (DPC) 2006 AIAA/USU Small Satellite Conference • 5.4 m Medium Payload Fairing • Forward Primary Spacecraft and Adapter • Atlas V Dual Payload Carrier (DPC) • Dispenser Forward Load Reactor DPC Truss • Aft Primary or Secondary Structure Payload and Adapter • Mini/microsat Secondary Payloads • Secondary Payload Carrier (SPC) DPC Provides Additional Flexibility for Dual/Secondary Payload Manifesting 17 August 2006 11 DPC and IPC Provide Range of Options 2006 AIAA/USU Small Satellite Conference TLAS MS7M3 - Go Atlas / Go Centaur : kwcope : /pa Multiple SPs in the 4-m LargerMS7M3 - Go SP Atlas in / Go the Centaur DPC : kwcope w :i /path Primary or secondary ATLAS MS7M3Dual - Go Manif Atlas / Goe stCentaur Spacecraft : kwcope : /pa payload fairing under the the 5.4-m payload fairing payload and multiple SPs using the DPC with the ATLAS MS7M3 prima- Go Atlas / rGoy Centaur pay : lkwcopeoad : /pa using both the DPC and SPC 5.4-m payload fairing with the 5.4-m PLF 17 August 2006 12 Aft-Bulkhead Carrier (ABC) 2006 AIAA/USU Small Satellite Conference • Used for pPod type dispenser systems • Uses existing space in Centaur Aft-Bulkhead • Uses existing attachment fittings • Does not interfere with primary mission separation sequence 17 August 2006 13 X-ternal Payload Carrier (XPC) 2006 AIAA/USU Small Satellite Conference • Used for sub-orbital, hypersonic, or orbital (w/ kick motor) experiments • Uses existing attachments to the booster w/ strong-back • 750 cubic feet volume to 350,000 ft altitude, speed of Mach 14, 0-G separation 17 August 2006 14 SP Integration Flow 2006 AIAA/USU Small Satellite Conference Integrate Secondary L-27 mo NLT L-10 mo NLT L-9.5 mo Secondary Payloads to IPC Primary SP Mission Combined Payloads Mission Mission Service Receipt at ATP Award Integration Kick Off Launch Site NLT L-60 Days NLT L-16 mo NLT L-13 mo Secondary Payload Mission Compatibility Feasibility Study Study Primary Integrate Payload Primary & Integration Secondary Primary Payloads Payload Receipt at Launch Site Encapsulate Payloads Encapsulated P/L Hoist & Mating Ops PLF Roll Vehicle to Receipt Launch Pad Integrated Launch Vehicle Testing Transport Encapsulated Payloads To VIF Launch Encapsulated P/L 17 August 2006 Hoist & Mating Ops 15 Pre-Engineering & Integration in Denver 2006 AIAA/USU Small Satellite Conference • Centaur Avionics & Gnd umbilicals simulator for electrical C/O • Payload Adapters (C-adapters, ESPA, XPC) for match-mate • 4 and 5M Fairing Access Doors w/ CFLR decks for fit checks • Centaur Tank & Aft Boat-tail for access checks • Gnd Control & Telemetry data processing for data compatibility [email protected] 303-977-5066 17 August 2006 16.