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The TGO carried a color and stereo camera, IR and UV spectrometers, a neutron detector, and a communications relay package to support future surface missions. The combined spacecraft had a mass of 4332 kg. TGO was built by Thales/Cannes (formerly GTC/Sud Aviation) and EDM by Thales/Torino (formerly Fiat). Proton-M No. 93560 put the stack into a suborbital trajectory. The Briz-M upper stage, S/N 99560, separated at 0941 UTC and fired for 6 minutes to enter a 185 x 185 km x 51.5 deg parking orbit at 0947 UTC. After completing one orbit, a second burn at 1110 UTC raised the orbit to 250 x 5800 km. At the next perigee, at 1324 UTC, the orbit was raised to 696 x 21086 km and the Briz-M additional propellant tank was jettisoned. On completing this orbit, the fourth burn began at 1948 UTC to propel the vehicle to escape velocity. ExoMars TGO/EDM separated from the Briz-M at 2013 UTC in a hyperbolic Earth escape orbit (C3 = 13.78 km**2/s**2). The ExoMars spacecraft entered the Martian gravitational Hill sphere at 0110 UTC Oct 16, and at 1442 UTC Oct 16 split into the separate TGO (Trace Gas Orbiter) and EDM (Entry-Descent-Landing Demonstrator Module) vehicles. TGO made an insertion burn on Oct 19 from 1304 to 1523 UTC, entering a 4-day-period, 346 x 95228 km x 9.7 orbit deg around Mars.

ExoMars-2016 mass breakdown as follows:

Schiaparelli EDM Surface Platform 280 kg SP hydrazine 46 kg Front Shield 200 kg? Back Cover 54 kg? Parachute system 20 kg? ------------------------------------- EDM total 600 kg TGO spacecraft 1365 kg (including 41 kg separation assembly) TGO propellant 2367 kg ------------------------------------- ExoMars-2016 launch total 4332 kg

**ExoMars TGO**- .*Nation*: Russia.*Class*: Mars.*Type*: Mars probe.*Spacecraft*: ExoMars.*USAF Sat Cat*: 41388 .*COSPAR*: 2016-017A.*Apogee*: -71,368 km (-71,368 mi).*Perigee*: 750 km (460 mi).*Inclination*: 51.50 deg.first ESA ExoMars mission. The main spacecraft on this mission was the ExoMars Trace Gas Orbiter (TGO), which entered Mars orbit to study its atmosphere. Attached to it was the Schiaparelli EDM lander. The TGO carried a color and stereo camera, IR and UV spectrometers, a neutron detector, and a communications relay package to support future surface missions. The combined spacecraft had a mass of 4332 kg. TGO was built by Thales/Cannes (formerly GTC/Sud Aviation) and EDM by Thales/Torino (formerly Fiat). Proton-M No. 93560 put the stack into a suborbital trajectory. The Briz-M upper stage, S/N 99560, separated at 0941 UTC and fired for 6 minutes to enter a 185 x 185 km x 51.5 deg parking orbit at 0947 UTC. After completing one orbit, a second burn at 1110 UTC raised the orbit to 250 x 5800 km. At the next perigee, at 1324 UTC, the orbit was raised to 696 x 21086 km and the Briz-M additional propellant tank was jettisoned. On completing this orbit, the fourth burn began at 1948 UTC to propel the vehicle to escape velocity. ExoMars TGO/EDM separated from the Briz-M at 2013 UTC in a hyperbolic Earth escape orbit (C3 = 13.78 km**2/s**2). The ExoMars spacecraft entered the Martian gravitational Hill sphere at 0110 UTC Oct 16, and at 1442 UTC Oct 16 split into the separate TGO (Trace Gas Orbiter) and EDM (Entry-Descent-Landing Demonstrator Module) vehicles. TGO made an insertion burn on Oct 19 from 1304 to 1523 UTC, entering a 4-day-period, 346 x 95228 km x 9.7 orbit deg around Mars.

ExoMars-2016 mass breakdown as follows:

Schiaparelli EDM Surface Platform 280 kg SP hydrazine 46 kg Front Shield 200 kg? Back Cover 54 kg? Parachute system 20 kg? ------------------------------------- EDM total 600 kg TGO spacecraft 1365 kg (including 41 kg separation assembly) TGO propellant 2367 kg ------------------------------------- ExoMars-2016 launch total 4332 kg

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