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Al-Amal (Emirates Mars Mission, EMM, Hope)

Al-Amal (Emirates Mars Mission) [UAE Space Agency]

Emirates Mars Mission, also known as Al-Amal or Hope, is the first Arab mission to Mars. It is under development at the UAE Space Agency.

The Emirates Mars Mission will focus on the Martian atmosphere and climate. It will study how the lower and upper layers of the atmosphere interact with each other. It will search for connections between today’s Martian weather and the ancient climate of the Red Planet.

The Emirates Mars Mission spacecraft is a compact, hexagonal-section spacecraft built from aluminium in a stiff but lightweight honeycomb structure and surfaced with a strong composite face-sheet. It will weigh approximately 1500 kg including fuel, and measure 2.37 m wide by 2.90 m tall.

The craft will charge its batteries using three 600 Watt solar panels. The solar panel arrays will be folded flat against the sides of the probe for launch, and will unfold once the probe is in orbit.

The spacecraft will communicate with Mission Control by a high-gain antenna with a 1.5 m wide dish. The probe will also have low-gain antennas, which are less directional. Communication bandwidth will be from 1.6 mbs near earth to 250 kbps at Mars.

The 3-axis stabilzed spacecraft will be equipped with star tracker sensors that will help it to determine its position in space by studying the constellations in relation to the sun. For attitude control it will use a set of internal reaction wheels. It will be equipped with two sets of rocket thrusters: four to six large “Delta V” thrusters which are used for orbit insertion and changes, and eight to 12 small Reaction Control System (RCS) thrusters for delicate manoeuvring.

The probe will carry following science instruments:

  • EXI (Emirates eXploration Imager) - An Imager (digital camera) that will send back high-resolution colour images.
  • EMIRS (Emirates Mars InfaRed Spectrometer) - An Infra-Red Spectrometer which will examine temperature patterns, ice, water vapour and dust in the atmosphere.
  • EMUS (Emirates Mars Ultraviolet Spectrometer) - An Ultraviolet Spectrometer which will study the upper atmosphere and traces of oxygen and hydrogen further out into space.

Launch is planned for 2020 on a Japanese H-2A-202 rocket and arrival at Mars will be in 2021. It will enter an elliptical 22000 km × 44000 km Mars orbit.

Nation: United Arab Emirates
Type / Application: Mars orbiter
Operator: UAE Space Agency
Contractors: UAE Space Agency
Equipment: EXI, EMIRS, EMUS
Configuration:
Propulsion: 4-6 × 120 N thrusters; 8-12 × 5 N thrusters
Power: 3 deployable fixed solar arrays, batteries
Lifetime: 2 years
Mass: 1500 kg
Orbit: 22000 km × 44000 km Mars orbit
Satellite COSPAR Date LS Launch Vehicle Remarks
Al-Amal (Emirates Mars Mission, EMM, Hope) - 2020 Ta YLP-1 H-2A-202

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