Spaceflight Now Home





The Mission




Rocket: Zenit 3SL
Payload: Intelsat 27
Date: February 1, 2013
Time: 0656 GMT (1:56 a.m. EST)
Window: 58 minutes
Site: Odyssey launch platform, Equator, 154º west, Pacific Ocean

Mission Status Center

Failure story

Launch timeline





Zenit 3SL launch timeline
SPACEFLIGHT NOW
Posted: January 31, 2013

T+00:05 Liftoff
The Zenit 3SL rocket lifts off from the Odyssey launch platform on thw power of its RD-171 main engine.
T+01:07 Max-Q
The 200-foot-tall rocket passes through the phase of flight with the most aerodynamic pressure on the vehicle.
T+1:56 Maximum acceleration
The Zenit 3SL rocket reaches 3.9g, the point of peak acceleration during its flight.
T+02:30 First stage separation
The Zenit 3SL's first stage completes its role in the launch and separates at an altitude of 43 miles. The second stage's RD-120 engine ignites to generate 200,000 pounds of thrust.
T+03:52 Fairing jettison
The clamshell-like 13.4-foot-diameter payload fairing surrounding the Intelsat 27 satellite is released at an altitude of 73 miles.
T+08:31 Second stage separation
After consuming its kerosene and liquid oxygen propellant, the Zenit 3SL's second stage shuts down and separates, leaving the Block DM-SL upper stage to complete the mission.
T+08:41 Block DM-SL ignition
The Block DM-SL upper stage fires for its 11-minute, 39-second burn to inject the Intelsat 27 satellite into geosynchronous transfer orbit.
T+20:20 Injection
The Block DM-SL upper stage and the Intelsat 27 spacecraft reach an orbit with an apogee of 22,027 miles, a perigee of 121 miles, and an inclination of 0 degrees.
T+30:10 Spacecraft separation
The Intelsat 27 satellite separates from the Block DM-SL upper stage.

Data source: Sea Launch

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.