Israeli Shavit rocket delivers malfunctioning spy satellite into orbit

September 15, 2016 by Evan Gough, Universe Today
Israel's Shavit 2 (Comet) rocket carried the Ofek-11 (Horizon) satellite into orbit on Sept. 13, 2016. Israeli media report that the satellite is malfunctioning. Credit: Israeli Ministry of Defence

Israel launched a Shavit2 rocket from its facility at Palmachim airbase on Sept. 13. The launch was the 10th one for the Shavit rocket system, which had its initial launch in 1988. The launch and delivery were successful, but Israeli media is reporting that the payload, the Ofek-11 satellite, is malfunctioning.

The Ofek-11 in Tuesday's launch is an optical imaging satellite, basically a spy satellite, operated by the Isreali Ministry of Defence. It operates at an altitude of 600 km. It's orbital path is designed to pass over Israel's region 6 times per day, allowing the Ministry of Defence to focus on targets of interest in their nation's region.

Officials involved with the launch have successfully contacted the satellite. Amnon Harari, head of the Defence Ministry's Space Department, told the Times of Israel that it was "not clear that everything was in order," hours after the launch.

Doron Ofer is CEO of the Israel Aerospace Industries' Space Division, the company that makes the Shavit rocket. He told the Times of Israel that due to the satellite's path, and the rotation of the Earth, the satellite can only be contacted a few times per day. This complicates efforts to correct the satellite.

"We have downloaded some figures, and we are now checking them. It's not functioning exactly the way we expected, and we don't know what it's status is," Ofer said. "We are now working to stabilize it, but it will take some time because of the small amount of communication we have with it when it comes in our area."

The Ofek-11 will be the 11th satellite that provides intelligence to the Israeli forces, but not much is known about its exact capabilities. For obvious reasons, the Israeli Defence Ministry is keeping things secret.

It is widely believed that this newest satellite is among the world's most advanced satellite recon systems. It's enhanced imaging system purportedly collects images at a ground resolution of 0.5 meters from its 600-Kilometer orbit.

The Ofek-11 surpasses its predecessor, Ofek-9, launched in 2010, which had only a 0.7 meter resolution. The Ofek-10 was a radar imaging satellite launched in 2014 to capture all-weather, day and night images at a resolution less than 1 meter. The overlapping nature of Israel's satellite system eliminates any gaps in their ability to monitor their region.

Two weeks ago, Israel had another failure in its satellite efforts, though that one was much more catastrophic. The Amos-6 civilian communications satellite was going to be Israel's largest satellite to date. However, the SpaceX rocket tasked with taking Amos-6 into orbit exploded on its Cape Canaveral launch pad.

Israel is the 8th country in the world to develop their own orbital launch capabilities. They launched their first satellite, the Ofek-1, aboard the maiden flight of their Shavit-1 rocket in 1988. Including that first , Israel has attempted 10 launches, and has been successful 8 times. All of those have been Ofek satellites, operated by the military.

All but one of Israel's Ofek satellites have been launched by Israel's Shavit-1 and Shavit-2 rockets. The lone exception is Ofek-8, also known as TecSar, launched aboard the Indian Polar Satellite Launch Vehicle (PSLV).

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