Land Launch Project
Chronology of Launches
INTELSAT 18 Launch
CHRONOLOGY OF ACTIVITIES
| August 6 - September 2, 2011 |
Prelaunch processing of Block DM-SLB ?5L within the Zenit-3SLB ILV. |
| September 3-13, 2011 |
INTELSAT 18 SC processing (Malaysia). |
| September 4, 2011 |
US filling with high-boiling propellant components and compressed gases. |
| September 14-20, 2011 |
INTELSAT 18 SC filling with propellant components and compressed gases. |
| September 17-24, 2011 |
Assembly and nominal processing of Ascent Unit ?5L. |
| September 11-25, 2011 |
Nominal prelaunch processing of launch vehicle Zenit-2S ?5L within the Zenit-3SLB ILV. |
| September 26 - October 1, 2011 |
Assembly and nominal prelaunch processing of the Zenit-3SLB ILV. |
| October 1, 2011 |
State Committee accepted a decision on the Zenit-3SLB ILV roll-out to LC for ILV further processing for the INTELSAT 18 SC launch. |
| October 2, 2011 |
1st launch day. ILV transfer to transporter-erector. ILV transportation to the Launch Complex. ILV installation on LD. Start of ILV nominal prelaunch processing. |
| October 3, 2011 |
2nd launch day. Critical launch readiness checklist (CLRC). CLRC-mode analysis. |
| October 4-5, 2011 |
3rd launch day. Meeting of the State Committee (launch readiness review with Customer participation).
Launch is postponed to October 6, 2011 due to unavailability of Intelsat-18 spacecraft. SC failure analysis.
Obtaining a permission to launch Intelsat-18 spacecraft from Orbital. |
| October 5-6, 2011 |
3rd launch day. Meeting of the State Committee (launch readiness review with Customer participation). LC preparation for prelaunch processing. On October 5 at 20:00 Moscow time (16:00 UTC) PLP mode began. On October 6, 2011 at 01:00 Moscow time (on October 5, 2011 at 21:00 UTC) the launch of the Zenit-3SLB ILV with the Intelsat 18 spacecraft was performed. |
LAUNCH RESULTS
The Intelsat 18 spacecraft was injected into the calculated geo-transfer orbit with the following parameters:
Perigee altitude,
km |
Apogee altitude,
km |
Inclination,
deg. |
5523 |
35782 |
19,5 |
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