Ofeq-11

Ofeq-11 was an observation satellite developed to provide operational intelligence to Israel's security establishment.[3] It was described at launch as Israel's seventh spy satellite and was intended to join approximately ten other intelligence satellites, including Ofeq-5, Ofeq-7, Ofeq-9, and Ofeq-10.[9][2]

Israel's Ministry of Defense identifies the Ofeq series as the leading program in the country's space effort and assigns its Space and Satellite Administration responsibility for developing satellites and launchers to preserve Israeli independence in space.[10] Independent launch capability has practical security value because it reduces dependence on foreign participation and could remain vital during an embargo or crisis.[11]

Ofeq-11 was described as a sister satellite to Ofeq-16. The two used a newer, heavier platform with substantially improved capabilities compared with earlier satellites in the series, and their estimated price was approximately $100 million each.[12]

Ofeq-11 was developed and manufactured at IAI's MABAT space division, with the Ministry of Defense's Space Administration leading the program. IAI served as the project's prime contractor.[3][4] The satellite incorporated experience accumulated through earlier Ofeq missions, and its camera represented an upgrade over those on preceding satellites. It also included minor improvements in image accuracy.[3][12]

The satellite weighed approximately 400 kilograms and carried an advanced optical camera supplied by Elbit Systems.[4] Its mission was to strengthen Israeli intelligence-gathering by producing high-quality images of small objects. Once in orbit, it traveled at an altitude of approximately 600 kilometers and completed a circuit of Earth roughly every 90 minutes.[4]

Other participants included Elbit Systems, IMI Systems, Rafael, Israeli defense organizations, and relevant IDF units.[3] Ofeq-11 was monitored through an IAI ground station in Yehud. During each pass over the station, engineers had several minutes to issue commands and receive data for processing and analysis.[4]

The Ministry of Defense launched Ofeq-11 at approximately 5:30 p.m. on September 13, 2016, from Palmachim Air Base, south of Tel Aviv.[1] Its launch vehicle was the Israeli-produced Shavit rocket, traditionally used for Ofeq-series launches.[11][3]

Launches from Israeli territory proceed westward over the Mediterranean to reduce the risk of rocket stages or a malfunctioning satellite falling on populated areas or foreign territory. Because this trajectory runs against the direction of Earth's rotation, it substantially restricts the payload weight that Shavit can carry.[11] The westward launch path is therefore a defining constraint on the architecture of the Ofeq program.

The launch occurred less than two weeks after the civilian Amos-6 communications satellite, built by IAI for Spacecom, was destroyed when its SpaceX Falcon 9 rocket exploded on the launchpad in Florida.[2] Amos-6 had been intended to support high-speed internet connectivity in sub-Saharan Africa through a planned Facebook service.[9] The timing placed Ofeq-11's launch against the backdrop of a major recent loss for Israel's space industry.

Following recovery from its initial malfunction, Ofeq-11 entered operational service and continued taking photographs for Israel's intelligence system.[8][13] In September 2018, for the thirtieth anniversary of Israel's first orbital launch, the Defense Ministry released three images taken by the satellite: the Syrian Presidential Palace, tanks at a Syrian military base, and Damascus International Airport. The release was presented in the context of concerns about Iranian military activity in Syria.[14]

A 2022 report stated that six of the eight Ofeq satellites successfully placed in orbit were then active, including Ofeq-11. It also reported that achievements associated with Ofeq-11 and Ofeq-16 earned the Ofeq project its second Israel Security Prize.[8] By July 2024, tracking information cited by The Jerusalem Post indicated that Ofeq-11 had ended its service after about eight years in space, an achievement the report described as significant given its condition after launch.[7]

Ofeq-11 formed part of Israel's long-running satellite-reconnaissance program. Ofeq-9 was launched in 2010, followed by Ofeq-10 in April 2014 and Ofeq-11 in September 2016.[15][1] An earlier member of the series, Ofeq-7, was launched in June 2007. Its operation alongside the radar-imaging TecSAR satellite demonstrated how complementary spacecraft could increase the frequency of observation and add nighttime and all-weather coverage.[11]

Ofeq-11 and Ofeq-16 represented a generational step within the series, sharing a newer and heavier platform with substantially improved capabilities over earlier satellites.[12] More broadly, the historical pairing of an optical Ofeq satellite with radar-imaging assets illustrated how Israel could combine detailed optical imagery with coverage in darkness and difficult weather conditions.[11]

Several hours after launch, officials reported that not all of Ofeq-11's systems were functioning correctly, although ground teams had established contact with it.[5] IAI space-program head Ofer Doron said teams were attempting to stabilize the satellite, while Ministry of Defense Space Administration head Brig. Gen. (Res.) Amnon Harari warned that the process could take several days.[5] Communication was possible for only a few minutes during each pass over the ground station, slowing efforts to diagnose the problem.[4]

Officials initially declined to identify the technical cause or confirm whether every problem had been resolved.[4][6] IAI CEO Boaz Levy later described severe communications problems that engineers overcame by making remote changes to the satellite.[8] A separate 2024 report characterized Ofeq-11 as having been damaged during launch and said recovery required extensive remote work by IAI, the Ministry of Defense, and the Military Intelligence satellite unit.[7]

Nine days after launch, engineers activated the payload and received the first images at the Israeli ground station.[6] The head of the Ministry of Defense's Space and Satellite Administration described the images as "wonderful" and said the team had tested the spacecraft subsystem by subsystem while maintaining communication and control.[6] Officials stated that Ofeq-11 would provide operational outputs, confirming that it had not become a total operational loss.[3][6]