Spaceflight Now Home





The Mission




Rocket: Ariane 5 ECA
Payload: Skynet 5D & Mexsat Bicentenario
Date: December 19, 2012
Time: 2149 GMT (4:49 p.m. EST)
Window: 79 minutes
Site: ELA-3, Guiana Space Center, Kourou, French Guiana.

Mission Status Center

Launch preview

Launch timeline

Rollout photos

Mission press kit





Ariane 5 launch timeline
SPACEFLIGHT NOW
Posted: December 18, 2012

H0 Main Engine Ignition
The Ariane 5 rocket's first stage Vulcain 2 main engine ignites and undergoes a thorough health check on the launch pad.
H0+00:07.3 Launch
Producing about 2.6 million pounds of thrust, the Ariane 5 rocket's two solid rocket boosters ignite to lift the launcher into the sky.
H0+00:12.7 Start Pitch Maneuver
The Ariane 5 rocket begins to pitch over after rising vertically from the ELA-3 launch pad.
H0+00:17.1 Start Roll Maneuver
The Ariane 5 rocket starts its roll maneuver to head east away from the Guiana Space Center.
H0+00:50.2 Mach 1
At an altitude of 6,900 meters, or about 22,600 feet, the Ariane 5 launcher passes the speed of sound.
H0+02:23 Booster Separation
The solid rocket boosters exhaust their propellant and are jettisoned from the Ariane 5's first stage.
H0+03:24 Jettison Payload Fairing
The two halves of the Ariane 5's 5.4-meter, or 17.7-foot, diameter payload fairing are jettisoned once the rocket leaves the thick lower atmosphere.
H0+09:00 Main Stage Shutdown
The cryogenic first stage's Vulcain 2 main engine shuts down.
H0+09:06 Stage Separation
Explosive bolts fire to separate the Ariane 5's first and second stages.
H0+09:10 Upper Stage Ignition
The upper stage's HM7B engine, burning liquid hydrogen and liquid oxygen, ignites to propel the Skynet 5D and Mexsat Bicentenario satellites to orbit.
H0+25:07 Upper Stage Shutdown 1
The upper stage's HM7B engine shuts down after reaching an orbit with a low point of 155 miles, a high point of 22,355 miles and an inclination of 2 degrees.
H0+27:06 Skynet 5D Separation
The Ariane 5 rocket deploys the Skynet 5D communications satellite for Astrium Services and the UK Ministry of Defence.
H0+34:37 Sylda 5 Separation
The Sylda 5 dual-payload adapter is jettisoned to expose the Mexsat Bicencenario satellite for separation.
H0+36:11 Mexsat Bicencenario Separation
The Ariane 5 rocket deploys the Mexsat Bicentenario satellite for the Mexican government.

Data source: Arianespace/Astrium

John Glenn Mission Patch

Free shipping to U.S. addresses!

The historic first orbital flight by an American is marked by this commemorative patch for John Glenn and Friendship 7.
 U.S. STORE
 WORLDWIDE STORE

Final Shuttle Mission Patch

Free shipping to U.S. addresses!

The crew emblem for the final space shuttle mission is available in our store. Get this piece of history!
 U.S. STORE
 WORLDWIDE STORE

Celebrate the shuttle program

Free shipping to U.S. addresses!

This special commemorative patch marks the retirement of NASA's Space Shuttle Program. Available in our store!
 U.S. STORE
 WORLDWIDE STORE

Anniversary Shuttle Patch

Free shipping to U.S. addresses!

This embroidered patch commemorates the 30th anniversary of the Space Shuttle Program. The design features the space shuttle Columbia's historic maiden flight of April 12, 1981.
 U.S. STORE
 WORLDWIDE STORE

Mercury anniversary

Free shipping to U.S. addresses!


Celebrate the 50th anniversary of Alan Shephard's historic Mercury mission with this collectors' item, the official commemorative embroidered patch.
 U.S. STORE
 WORLDWIDE STORE

Fallen Heroes Patch Collection
The official patches from Apollo 1, the shuttle Challenger and Columbia crews are available in the store.
 U.S. STORE
 WORLDWIDE STORE
MISSION STATUS CENTER

INDEX | PLUS | NEWS ARCHIVE | LAUNCH SCHEDULE
ASTRONOMY NOW | STORE

ADVERTISE

© 2014 Spaceflight Now Inc.