
The DSN-2 space launch was a significant event in the history of space exploration. It marked the beginning of a new era in deep space communication.
Launched in 1963, the DSN-2 was a major upgrade to the Deep Space Network's (DSN) capabilities. The DSN-2 was designed to support the growing number of spacecraft being sent to explore the solar system.
The DSN-2's advanced technology allowed for more efficient and reliable communication with spacecraft. This was crucial for the success of future space missions.
Launch Details
The DSN-2 mission is set to launch on a SpaceX Falcon Heavy rocket from Kennedy Space Center's Launch Complex 39A. The launch window is scheduled for January 2024.
The rocket is expected to lift off at 8:00 PM EST, with a 30-minute launch window. The exact date and time may be subject to change due to various factors.
The Falcon Heavy rocket will be carrying the DSN-2 spacecraft into orbit, providing the necessary thrust and propulsion. Its payload fairing will protect the spacecraft during the ascent phase.
After reaching orbit, the spacecraft will undergo a series of deployment and checkout procedures. This includes the deployment of its solar arrays and communication antennas.
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Background and History

DSN-2, also known as Kirameki 2, is a X-band communications satellite built and operated by DSN Corporation for the Japanese Ministry of Defense.
The DSN Corporation was formed as a joint venture between SKY Perfect JSAT Corporation, NEC Corporation, and NTT Communications Corporation to conduct a program to upgrade and operate Japan's next X-band satellite communications system.
The primary business operator of the satellite is DSN Corporation, with roles assigned to each company as follows: SKY Perfect JSAT for procurement, operation, and general management, NEC for production of the satellites and upgrading of ground facilities, NTT Com for maintenance and management of ground facilities, and Maeda Corporation for upgrading, maintenance, and management of ground facilities.
DSN-2 was launched on January 24, 2017, using a H-2A-204 launch vehicle, and is designed to last for +15 years.
Here is a summary of the contractors involved in the satellite's production:
- NEC (prime)
- Mitsubishi Electric Corporation (MELCO) (bus)
History
JSAT was involved in a significant project with DSN Corporation, a joint venture with NEC, NTT Communications, and Maeda Corporation. This partnership aimed to upgrade and operate the Japanese military X-band satellite network.

In 2013, DSN Corporation closed a contract with the Ministry of Defense to execute the "Program to Upgrade and Operate X-Band Satellite Communications Functions, etc". The total program cost was estimated at ¥122,074,026,613.
DSN Corporation's plan included the launch of two satellites, DSN-1 and DSN-2, as well as upgrades to ground control stations. The first satellite, DSN-1, was an additional payload on the Superbird-8 satellite, while the second satellite, DSN-2, was a dedicated spacecraft built by Mitsubishi Electric.
Here's a breakdown of the launch schedule for the satellites:
The program was expected to last until 2031, with the first satellite operating from March 2016 to April 2030 and the second satellite operating from March 2017 to March 2031.
Dsn 2 (Kirameki 2)
The DSN 2, also known as Kirameki 2, is a X-band communications satellite built and operated by DSN Corporation for the Japanese Ministry of Defense.
DSN Corporation is a joint venture established by SKY Perfect JSAT Corporation, NEC Corporation, and NTT Communications Corporation, founded to upgrade and operate Japan's next X-band satellite communications system.
For another approach, see: List of Communications Satellite Firsts
The primary business operator of DSN 2 will be DSN Corporation, with roles assigned to each company under the umbrella of DSN: SKY Perfect JSAT handles procurement, operation, and general management, NEC produces the satellites and upgrades ground facilities, NTT Com maintains and manages ground facilities, and Maeda Corporation upgrades, maintains, and manages ground facilities.
Here's a breakdown of the key players involved in the DSN 2 project:
The satellite was built by NEC as a subcontractor to SKY Perfect JSAT based on Mitsubishi's DS-2000 bus, and will be launched by MHI.
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