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ExoMars Trace Gas Orbiter

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Science ExplorationinterplanetaryCOSPAR 2016-017ALaunched 3/14/2016
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Mission & Launch
Launch Mission
ExoMars TGO/EDM
Launch Vehicle
Proton-M
Launch Date
3/14/2016
Orbit & Mass
Orbit Class
interplanetary
Altitude
-35,309 km
Inclination
51.51 deg
Dry Mass
1,365 kg
Total Mass
4,332 kg
Payload Classification
Mission Type
Science Exploration
Payload Category
PLAN
Payload Class
C
Organizations
Operator
European Space Agency (ESA)
Manufacturer
Thales Alenia Space
Registry
COSPAR ID
2016-017A
UN Registration
ST/SG/SER.E/819
Track
Mentions
16
All verified mentions of this spacecraft in source documents.
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Actions

The European Space Agency (ESA) operates Mars Express and ExoMars Trace Gas Orbiter in Mars orbit.

CapabilityGeneralValue 4.2Dec 17, 2025NASA火星探査機「MAVEN」、応答せず–機体回転か、復旧活動続く

The ExoMars Trace Gas Orbiter delivers high-quality images and comprehensive mapping of atmospheric gases and surface water sites.

CapabilityGeneralValue 2.5Nov 12, 2025Dust and Sand Movements Reshape Martian Slopes

A feature image captured by the ExoMars Trace Gas Orbiter covers nearly six square kilometers and was taken on December 24, 2023, at 7.1 degrees south latitude and 173.4 degrees east longitude.

CapabilityGeneralValue 2.0Nov 12, 2025Dust and Sand Movements Reshape Martian Slopes

The ExoMars Trace Gas Orbiter continues to monitor Mars to study its ancient past and potential habitability.

GeneralValue 2.0Nov 12, 2025Dust and Sand Movements Reshape Martian Slopes

The ExoMars Trace Gas Orbiter imaged 3I/ATLAS and detected a coma as the icy object outgassed.

CapabilityGeneralValue 4.0Oct 13, 2025Review: Reinventing SETI

The ExoMars Trace Gas Orbiter has delivered striking surface images of Mars.

GeneralValue 1.5Oct 10, 2025Martian skies reveal intricate atmospheric layers in new orbiter images

Since beginning operations in 2018, the ExoMars Trace Gas Orbiter has mapped water-rich sites and catalogued atmospheric gases.

CapabilityGeneralValue 3.0Oct 10, 2025Martian skies reveal intricate atmospheric layers in new orbiter images

The new limb observations from the CaSSIS camera add another dimension to the contributions of the ExoMars Trace Gas Orbiter.

GeneralValue 1.0Oct 10, 2025Martian skies reveal intricate atmospheric layers in new orbiter images

The ExoMars Trace Gas Orbiter used its Color and Stereo Surface Imaging System to take a series of digital images of the 3L/ATLAS interstellar object.

GeneralCapabilityValue 4.0Oct 9, 2025Space agencies track rare 3I/ATLAS interstellar object near Mars

The ExoMars Trace Gas Orbiter and Mars Express had the closest view of comet 3I/ATLAS of all spacecraft.

GeneralValue 3.4Oct 7, 2025RT by @AJ_FI: ☄️ #3I/ATLAS comet update! On 3 October, our ExoMars Trace Gas Orbiter (TGO) turned its eyes towards interstellar comet 3I/ATLAS as it passed close to Mars. Together with Mars Express, ExoMars TGO had the closest view of the comet of all of our spacecraft. It looked towards the interstellar interloper from just 30 million km away during its closest approach to the Red Planet. Read more: https://www.esa.int/Science_Exploration/Space_Science/Mars_Express/ESA_s_ExoMars_and_Mars_Express_observe_comet_3I_ATLAS

On 3 October, the ExoMars Trace Gas Orbiter turned its camera towards interstellar comet 3I/ATLAS as it passed close to Mars.

CapabilityGeneralValue 3.0Oct 7, 2025RT by @AJ_FI: ☄️ #3I/ATLAS comet update! On 3 October, our ExoMars Trace Gas Orbiter (TGO) turned its eyes towards interstellar comet 3I/ATLAS as it passed close to Mars. Together with Mars Express, ExoMars TGO had the closest view of the comet of all of our spacecraft. It looked towards the interstellar interloper from just 30 million km away during its closest approach to the Red Planet. Read more: https://www.esa.int/Science_Exploration/Space_Science/Mars_Express/ESA_s_ExoMars_and_Mars_Express_observe_comet_3I_ATLAS

The ExoMars Trace Gas Orbiter observed the comet from just 30 million km away during its closest approach to Mars.

CapabilityValue 4.0Oct 7, 2025RT by @AJ_FI: ☄️ #3I/ATLAS comet update! On 3 October, our ExoMars Trace Gas Orbiter (TGO) turned its eyes towards interstellar comet 3I/ATLAS as it passed close to Mars. Together with Mars Express, ExoMars TGO had the closest view of the comet of all of our spacecraft. It looked towards the interstellar interloper from just 30 million km away during its closest approach to the Red Planet. Read more: https://www.esa.int/Science_Exploration/Space_Science/Mars_Express/ESA_s_ExoMars_and_Mars_Express_observe_comet_3I_ATLAS

Mars Express and ExoMars Trace Gas Orbiter will observe the comet 3I/ATLAS around its closest approach to Mars on 3 October 2025.

PlanGeneralValue 4.0Oct 1, 2025RT by @AJ_FI: All eyes on #3I/ATLAS ☄️ Our Mars Express & ExoMars Trace Gas Orbiter will observe the comet around its closest approach to Mars on 3 October 2025, when 3I/ATLAS will be around 30 million km from the red planet. Stay tuned and follow http://esa.int/3IATLAS

Olsen uses ESA's ExoMars Trace Gas Orbiter and its Atmospheric Chemistry Suite to probe Mars's atmosphere.

CapabilityGeneralValue 3.0Sep 26, 2025Mars polar vortex traps cold and builds seasonal ozone layer

ESA’s ExoMars Trace Gas Orbiter used aerobraking operationally in 2017 to lower its orbit around Mars over an 11-month period.

CapabilityPlanValue 4.0Jul 31, 2022Readying spacecraft to surf Venus’ atmosphere

The European Space Agency’s ExoMars Trace Gas Orbiter was expected to pass over the Perseverance landing site around 9:30 p.m. Eastern to provide additional imaging.

PlanCapabilityValue 4.0Feb 17, 2021Scientists look ahead to the search for past Martian life with Perseverance