Images credit & copyright: Arianespace/CNES.
Launch Alert! Tuesday, February 5, 2019 at 21:01 UTC (16:01 EST) Arianespace will launch their massive Ariane 5 ECA rocket, designated VA247 carrying the HellasSat 4/SaudiGeoSat 1 and GSAT 11 from Launch Site, Ensemble de Lancement Ariane-3 (ELA-3) at the Arianespace Spaceport in Kourou, French Guiana.
Arianespace, Ariane 5 Rocket: 2-stage expendable launch vehicle that stands 50.5 m (165.8 ft.) tall, 5.4 m (17.7 ft.) in diameter and is equipped with two solid rocket boosters. It comes in two variants (ECA & ES) and carries payloads weighing more than 10 metric tons to Geostationary Transfer Orbit (GTO) and over 20 metric tons into Low Earth Orbit (LEO).
Ariane 5 ECA: The Geostationary Transfer Orbit (GTO) workhorse usually carries a payload of two satellites. The primary difference from the Ariane 5 ECA configuration is the use of a storable propellant upper stage, which can perform multiple burns to deploy payloads into the desired orbit.
Ariane 5 ES is tailored for low-Earth orbit missions with the Automated Transfer Vehicle (ATV), a resupply spacecraft for the International Space Station (ISS) that weighs more than 19,000 kg at liftoff. The ES Ariane 5 version also is capable of lofting satellites for Europe’s new Galileo space-based navigation system. The primary difference from the Ariane 5 ECA configuration is the use of a storable propellant upper stage, which can perform multiple burns to deploy payloads into the desired orbit.
Payload Fairing (PLF): The main payload fairing is a 2-shell protective enclosure 5.4 m. (17.7 ft.) in diameter and 20 m. (65.6 ft.) in length. Roughly 3 minutes and around 100 km after liftoff the PLF halves are pyrotechnically jettisoned.
Inside the fairing of the ECA configuration is the structure that accommodates two satellites called “Systeme de Lancement Double Ariane 5” or SYLDA 5.
Etage Superieur Cryotechnique (ESC-A) Cryogenic Upper Stage (ECA configuration):
Upper stage also contains the Vehicle Equipment Bay (VEB-C) or “The Brain” which controls the entire vehicle autonomously and also transmits flight data back to the ground.
Height: 4.7 m. (15.4 ft.)
Diameter: 5.4m (17.7 ft.)
Engine(s): Single HM-7B
Engine Type (cycle): Gas generator (open cycle)
Chamber Pressure: 3.7 MPa (37 bar)
Propellant Feed: Turbopump
Fuel Type: Liquid
Fuel: Liquid hydrogen (LH2)
Oxidizer: Liquid Oxygen (LOX)
Thrust (vacuum): 67 kN (15,000 lbf.)
Specific Impulse (vacuum): 446 s
Burn Time: 945 s
Reusable?: No
*
Etage Propergols Stockables (EPS) Second Stage (ES configuration):
Upper stage also contains the Vehicle Equipment Bay (VEB-C) or “The Brain” which controls the entire vehicle autonomously and also transmits flight data back to the ground.
Height: 3.4 m. (11 ft.)
Diameter: 5.4m (17.7 ft.)
Engine(s): Single Aestus
Engine Type (cycle): Pressure fed
Chamber Pressure: 11 bar
Propellant Feed: Pressure fed
Fuel Type: Liquid
Fuel: Monomethylhydrazine (MMH)
Oxidizer: Nitrogen tetroxide (N2O4)
Thrust (vacuum): 27 kN (6,100 lbf.)
Specific Impulse (sea level/vacuum): N/A
Burn Time: 1170 s
Reusable?: No
*
Etage dAcceleration a Poudre (EAP) Solid Rocket Boosters (SRB’s):
How Many?: 2
Height: 31.6 m. (104 ft.)
Diameter: 3.06 m (10 ft.)
Engine(s): Each has a single P241
Engine Type (cycle):
Chamber Pressure: N/A
Propellant Feed:
Fuel Type: Solid
Fuel: Ammonium perchlorate (AP)(68%)/aluminum (AL)(18%)/hydroxyl-terminated polybutadine (HTPB)(14%)
Thrust Each (sea level): 7,080 kN (1,590,000 lbf).
Specific Impulse (sea level/vacuum): N/A
Burn Time: 140 s
Reusable?: No
Etage Principal Cryotechnique (EPC) Core Cryogenic Stage (1st Stage):
Height: 30 m. (98.4 ft.)
Diameter: 5.4m (17.7 ft.)
Engine(s): Single Vulcan-2
Engine Type (cycle): Gas generator (open)
Chamber Pressure: 100 bar (1,500 psi)
Propellant Feed: Turbopump
Fuel Type: Liquid
Fuel: Liquid hydrogen (LH2)
Oxidizer: Liquid Oxygen (LOX)
Thrust (sea level/vacuum): 960 kN (220,000 lbf)/1,390 kN (310,000 lbf.)
Specific Impulse (sea level/vacuum): 310 s/432 s
Burn Time: 540 s
Reusable?: No
Stream Live:
Main site: http://www.arianespace.tv/
YouTube: https://www.youtube.com/arianespace
Facebook: https://www.facebook.com/ArianeGroup
VA-247 Mission Data:
VA-247 mission information: http://www.arianespace.com/mission/ariane-flight-va247/
VA-247 Press Release: http://www.arianespace.com/press-release/for-its-first-mission-of-2019-arianespace-to-launch-two-telecommunications-satellites-with-ariane-5/
VA-247 Launch Kit: http://www.arianespace.com/wp-content/uploads/2019/01/VA247-launchkit-EN.pdf
General 2019 Launch Schedule (Wiki): https://en.wikipedia.org/wiki/2019_in_spaceflight
Arianespace:
Arianespace Homepage: http://www.arianespace.com
Stephane Israel (CEO Arianespace): https://twitter.com/arianespaceceo
Twitter: https://twitter.com/Arianespace
Instagram: http://instagram.com/arianespace
Flickr: http://www.flickr.com/photos/arianespace/
You Tube: http://www.youtube.com/arianespace
Livestream: http://www.livestream.com/arianespace
ArianeGroup:
Website: https://www.ariane.group/en/
Facebook: https://www.facebook.com/ArianeGroup
Twitter: https://twitter.com/ArianeGroup
Instagram: https://www.instagram.com/ArianeGroup/
European Space Agency (ESA):
European Space Agency (ESA) homepage: http://www.esa.int/ESA
Twitter: https://twitter.com/esa
Facebook: https://www.facebook.com/EuropeanSpaceAgency
Instagram: https://www.instagram.com/europeanspaceagency/
Google Plus: https://plus.google.com/+EuropeanSpaceAgency
Flickr: http://www.flickr.com/photos/europeanspaceagency/sets/
You Tube: http://www.youtube.com/user/ESA
ESA Images: http://www.esa.int/spaceinimages/Images
ESA page for more VA233 launch images: http://www.esa.int/spaceinimages/Missions/Galileo
Centre national d’études spatiales (CNES):
Main Site: https://cnes.fr/en
Facebook: https://fr-fr.facebook.com/CNESFrance
Twitter: https://twitter.com/CNES
YouTube: https://www.youtube.com/CNES
Google Plus: https://plus.google.com/+CnesFrance
CNES Media Library (images, videos etc.): https://cnes.fr/en/mediatheque
Spaceport Kourou & Ariane 5 Data:
Ariane 5 vehicle information: http://www.arianespace.com/vehicle/ariane-5/
Ariane 5 User’s Manual: http://www.arianespace.com/wp-content/uploads/2015/09/Ariane5_users_manual_Issue5_July2011.pdf
Ariane 5 Brochure: http://www.arianespace.com/wp-content/uploads/2015/10/Ariane5-Flyer-Sep2015.pdf
ESA Ariane 5 vehicle data page: http://www.esa.int/Our_Activities/Launchers/Launch_vehicles/Ariane_5
Ariane 5 Wiki: https://en.wikipedia.org/wiki/Ariane_5
Spaceport French Guiana: http://www.arianespace.com/spaceport-facility/