ULA Atlas V AFSPC 11 Mission from FL

Images credit & copyright: United Launch Alliance (ULA).

LAUNCH ALERT: Saturday, April 14, 2018 at 19:13 EDT (23:13 UTC) a United Launch Alliance (ULA), Atlas V-551 rocket designated (AV-079) will lift off from Space Launch Complex-41 (SLC-41) at the Cape Canaveral Air Force Station (CCAFS), Florida as part of the Air Force Space Command 11 (AFSPC-11) mission. The mission will carry the Continuous Broadcast Augmenting SATCOM (CBAS) and the ESPA Augmented Geostationary Laboratory Experiment (EAGLE) into geostationary orbits.

This will be the ULA’s 4th launch of 2018, 127th launch since its founding in 2006, the 77th launch of the Atlas V since its inaugural flight in 2002 and the 8th launch of the Atlas V in its 551 configuration.

551 Configuration Summary:

5 = 5 meter, two-shell fairing

5 = 5 external solid rocket boosters

1 = 1 Aerojet-Rocketdyne, Centaur second stage engine

The United Launch Alliance (ULA) Atlas V-500 Series Rocket:

Launch Sites: Space Launch Complex 41 (SLC-41) at Cape Canaveral AFS, FL and Space Launch Complex 3E (SLC-3E) at Vandenberg AFB, CA.

Height: 62.2 m (204 ft.)

Core Diameter: 3.81 m (12.5 ft.)

Width at Base: 7 m (23 ft.)

Stages: 2

Boosters: 0-5

Total Engines: Single NPO Energomash RD-180 first stage engine (Aerojet-Rocketdyne AJ-60A boosters vary per mission)

Total Liftoff Thrust (sea level)(5 boosters): 12,267 kN (2,757,731 lbf)

Gross Mass: 334,500 kg (737,400 lb.)

Payload to Low Earth Orbit (LEO): 18.850 kg (41,570 lb.)

Payload to Geostationary Transfer Orbit (GTO): 8,900 kg (19,620 lb.)

Payload to Geosynchronous Orbit (GEO): 3,850 kg (8,500 lb.)

Cost: $109 million

Main Payload Fairing (PLF): The Main Payload Fairing for the Atlas-V-500 series is a two-shell fairing that can come in three configurations. All 5 m (17.8 ft.) in diameter but there’s a 68 ft. (20.7 m) “short”, a 77 ft. (23.5 m) “medium” and an 87 ft. (26.5 m) “long” option for the fairing based on the payload. The fairings are used to protect the spacecraft & Centaur during its ascent through atmospheric turbulence and into space. Once the rocket has reached a safe altitude the fairings are pyrotechnically jettisoned via a debris-free actuating system.

Centaur Upper Stage:

Height: 12.68 m. (41.6 ft.)

Diameter: 3.5 m (10 ft.)

Engine(s): Single Aerojet-Rocketdyne RL-10 Engine

Engine Chambers: 1

Engine Type (cycle): Expander cycle

Propellant Feed Method: Turbopump

Chamber Pressure: 9.7 MPa or 97 bars or 1,410 psi

Fuel Type: Liquid

Fuel: Liquid Hydrogen (LH2). More expensive, less powerful by volume, and much less stable than Rocket Propellant 1 (RP-1) but provides a higher specific impulse.

Oxidizer: Subcooled Liquid Oxygen (LOX). LOX is often coupled with rocket propellant-1 (RP-1), liquid hydrogen (LH2) and methane (CH4) as it creates a high specific impulse.

Thrust (vacuum): 110 kN (25,000 lbf.)

Single RL-10 Thrust to Weight Ratio: N/A

Specific Impulse (vacuum): 450.5 s

Burn Time: 842 s

Restart Ability: Yes

Reusable?: No

Attitude Control: There are also four 27-N (Newton) thrusters and eight 40-N (Newton) thrusters used for attitude control. Both utilize hydrazine as propellant. The Centaur Forward Adapter (CFA) provides structural mountings for vehicle electronics within the spacecraft.

*

Solid Rocket Booster’s (SRB’s):

Height: 17 m. (55.8 ft.)

Diameter: 1.6 m (5.1 ft.)

Engine(s): Single Aerojet-Rocketdyne AJ-60A engine

Engine Chambers: 1

Engine Type (cycle): N/A

Propellant Feed Method: N/A

Chamber Pressure: N/A

Fuel Type: Solid

Fuel: Hydroxyl-terminated polybutadiene (HTPB)

Single AJ-60A Thrust (sea level): 1,688 kN (379,600 lbf.)

Single RD-180 Thrust to Weight Ratio: 78.44

Specific Impulse (sea level): 279.3 s

Burn Time: 94 s

Restart Ability: No

Reusable?: No

Common Core Booster (CCB) (First-Stage):

Height: 32.46 m. (106.5 ft.)

Diameter: 3.81 m (12.5 ft.)

Width at Base (core and boosters): 7 m (23 ft.)

Engine(s): Single NPO Energomash RD-180 engine

Engine Chambers: 2

Engine Type (cycle): Staged combustion

Propellant Feed Method: Turbopump

Chamber Pressure: 26.7 MPa or 267 bar or 3,870 psi

Fuel Type: Liquid

Fuel: Rocket Propellant-1 (RP-1) or highly refined kerosene. Lower specific impulse than liquid hydrogen (LH2) but is cheaper, room temperature stable, less explosive and denser. RP-1 is much more powerful than LH2 by volume and much less toxic than other room temperature fuels such as hydrazine (N2H4).

Oxidizer: Liquid Oxygen (LOX). LOX is often coupled with rocket propellant-1 (RP-1), liquid hydrogen (LH2) and methane (CH4) as it creates a high specific impulse.

Single RD-180 Thrust (sea level/vacuum): 3,827 kN (860,000 lbf.)/4,152 kN (933,000 lbf.)

Single RD-180 Thrust to Weight Ratio: 78.44

Total Liftoff Thrust (sea level)(core only-no SRBs): 3,827 kN (860,000 lbf.)

Specific Impulse (sea level/vacuum): 311 s/337.8 s

Burn Time: 270 s

Restart Ability: No

Reusable?: No

Stream Live:

ULA Webcast: http://www.ulalaunch.com/webcast.aspx

ULA YouTube: https://www.youtube.com/user/UnitedLaunchAlliance

ULA Facebook: http://www.facebook.com/ulalaunch

AFSPC-11 Mission:  

45th Space Wing L-1 Weather Forecast: http://www.patrick.af.mil/About-Us/Weather

Mission Basics: https://www.ulalaunch.com/missions/next-launch-Atlas-V-AFSPC-11

General 2018 Launch Schedule (Wiki): https://en.wikipedia.org/wiki/2018_in_spaceflight

United Launch Alliance (ULA):

ULA homepage: http://www.ulalaunch.com/

Discover ULA: http://www.discoverula.com/

Twitter: https://twitter.com/ulalaunch

Twitter for ULA CEO Tory Bruno: https://twitter.com/torybruno

Instagram: http://instagram.com/ulalaunch

Facebook: http://www.facebook.com/ulalaunch

YouTube: http://www.youtube.com/user/UnitedLaunchAlliance

Flickr: https://www.flickr.com/photos/ulalaunch/

Aerojet-Rocketdyne:

Main Site: http://www.rocket.com/

Twitter: https://twitter.com/AerojetRdyne

Facebook: http://facebook.com/AerojetRdyne

Atlas V Rocket:

Atlas V rocket: https://www.ulalaunch.com/rockets/atlas-v

Atlas V Users Guide: https://www.ulalaunch.com/docs/default-source/rockets/atlasvusersguide2010.pdf

Atlas V 400 Series Cutaway: https://www.ulalaunch.com/docs/default-source/rockets/atlas400_cutaway.pdf

Atlas V 500 Series Cutaway: https://www.ulalaunch.com/docs/default-source/rockets/atlas500_cutaway.pdf

Atlas V & Delta IV Technical Summary: https://www.ulalaunch.com/docs/default-source/rockets/av_div_product_card.pdf

Lockheed Martin Atlas V: http://www.lockheedmartin.com/us/products/atlas.html

Atlas V Wiki: https://en.wikipedia.org/wiki/Atlas_V

Atlas V Spaceflight 101: http://www.spaceflight101.net/atlas-v-551.html

List of all Atlas V launches: https://en.wikipedia.org/wiki/List_of_Atlas_launches

Patrick AFB: 45th Space Wing, Cape Canaveral, FL:

Main Site: http://www.patrick.af.mil/

Twitter: https://twitter.com/45thSpaceWing

Facebook http://www.facebook.com/45thSpaceWing

Vandenberg AFB, 30th Space Wing, CA:

Vandenberg AFB launch complex locations & viewing locations: https://www.google.com/maps/d/viewer?mid=1eJ71ff_mISR9o8ndMX7nwrvQlTw&hl=en_US&ll=34.6567746365756%2C-120.51221950488281&z=12

Vandenberg AFB : http://www.vandenberg.af.mil/

Twitter: https://twitter.com/30thSpaceWing

Facebook: http://www.facebook.com/30thSpaceWing

YouTube: http://www.youtube.com/user/30SWVandenberg

Air Force Space Command (AFSC):

Main Site: http://www.afspc.af.mil/

Twitter: https://twitter.com/AFSpace

Facebook: http://www.facebook.com/AirForceSpaceCommand

YouTube: https://www.youtube.com/channel/UC339eVx3dEGpH6tFRZt-oDg

Flickr: http://www.flickr.com/photos/airforcespacecommand/

Los Angeles Air Force Base, Space and Missile Systems Center:

Main Site: http://www.losangeles.af.mil/

Facebook: http://www.facebook.com/SpaceandMissileSystemsCenter

Twitter: https://twitter.com/AF_SMC

Instagram: https://instagram.com/af_smc/

Flickr: https://www.flickr.com/photos/129133022@N07/

Peterson AFB (21st Space Wing), Colorado Springs, CO:

Main Site: http://www.peterson.af.mil/

Facebook: http://www.facebook.com/21stSpaceWing

Twitter: https://twitter.com/PeteAFB

Instagram: http://instagram.com/officialusairforce

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