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Mercury-P
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Mercury-P
Artist's rendering of the Mercury-P spacecraft with Dvina-TM solar-electric transport module
Mission typeMercury exploration
OperatorRoscosmos
Spacecraft properties
BOL mass8,120 kg (17,900 lb)[1]
Landing mass710 kg (1,570 lb)[2]
Payload mass
  • Lander: 40 kg (88 lb)[2]
  • Orbiter: 50 kg (110 lb)[1]
Start of mission
Launch dateNET 2030s [3][4]
RocketSoyuz-2[1]
Mercury orbiter
Mercury lander

Mercury-P (Russian: Меркурий-П) is a mission concept for an orbiter and lander by the Russian Federal Space Agency to study the planet Mercury.[1] The letter P in Mercury-P stands for the Russian word 'posadka', meaning landing.[1]

Mercury-P would be the first soft lander on Mercury. A proposed flight scenario for the mission included a flyby of Venus, the insertion of the spacecraft into the orbit around Mercury (possibly by use of a Dvina solar-electric tug),[1] and the delivery of a lander on its surface. The Institute of Space Research studied the possibility of "recycling" hardware developed for the Phobos-Grunt, Mars-NET, Mars-96, and Solar Sail spacecraft, with proposed upgrades of the hardware.[1] As of 2012, Russian scientists have conducted a preliminary concept study of the project, and compiled a list of the required scientific payload.[1][3]

As a result of the failure of the Phobos-Grunt, several Russian planetary exploration proposals derived from its design were delayed into the 2030s, including Mercury-P.

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