B64GCOSMONAUTICSVEHICLES OR EQUIPMENT THEREFOR apparatus for, or methods of, winning materials from extraterrestrial sources E21C51/00This subclass covers only vehicles, equipment or the like, which are specially adapted for cosmonautics.This subclass does not cover vehicles and equipment applicable to both cosmonautics and aeronautics, which are covered by the appropriate aeronautical subclasses of class B64.In this subclass, the following term is used with the meaning indicated:"cosmonautics" includes all transport outside the earth's atmosphere, and thus includes artificial earth satellites, and interplanetary and interstellar travel.In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme. B64G1/00 B64G1/00Cosmonautic vehicles B64G1/002Launch systems B64G1/005Air launch B64G1/007Orbit transfer B64G1/10Artificial satellitesSystems of such satellitesInterplanetary vehicles space shuttles B64G1/14; radio transmission systems using satellites H04B7/185 B64G1/1007Communications satellites communications aspects H04B7/185 B64G1/1014Navigation satellites navigation systems G01S5/145 B64G1/1021Earth observation satellites B64G2001/1028using optical means for mapping, surveying or detection, e.g. of intelligence B64G2001/1035using radar for mapping, surveying or detection, e.g. of intelligence B64G2001/1042specifically adapted for meteorology B64G1/105Space science B64G2001/1057specifically adapted for astronomy B64G2001/1064specifically adapted for interplanetary, solar or interstellar exploration B64G2001/1071Planetary landers intended for the exploration of the surface of planets, moons or comets B64G1/1078Maintenance satellites B64G1/1085Swarms and constellations B64G2001/1092Special features of modular spacecraft systems B64G1/12manned B64G1/14Space shuttles B64G1/16Extraterrestrial cars land vehicle aspects B60 - B62 B64G1/22Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles B64G1/222Appendage deployment mechanisms B64G2001/224Inflatable space structures B64G1/226Special coatings for spacecraft B64G2001/228Damping of high-frequency vibration effects on spacecraft elements, e.g. by using acoustic vibration dampers B64G1/24Guiding or controlling apparatus, e.g. for attitude control jet-propulsion plants F02K; navigation or navigational instruments, see the relevant subclass, e.g. G01C; automatic pilots G05D1/00 B64G1/242Orbits and trajectories B64G1/244Attitude control B64G2001/245Attitude control algorithms for spacecraft attitude control B64G2001/247Advanced control concepts for autonomous, robotic spacecraft, e.g. by using artificial intelligence, neural networks or autonomous agents B64G1/26using jets B64G1/28using inertia or gyro effect B64G1/281Spin-stabilised spacecraft B64G1/283using reaction wheels B64G1/285using momentum wheels B64G1/286using control momentum gyroscopes (CMGs) B64G1/288using gyroscopes as attitude sensors B64G1/32using earth's magnetic field B64G1/34using gravity gradient B64G1/36using sensors, e.g. sun-sensors, horizon sensors B64G1/361using star sensors B64G1/363using sun sensors B64G1/365using horizon or Earth sensors B64G1/366using magnetometers B64G1/368using gravimeters B64G1/38damping of oscillations, e.g. nutation dampers B64G1/40Arrangements or adaptations of propulsion systems  propulsion plants per se, see the relevant subclasses, e.g. F02K, F03H B64G1/401Liquid propellant rocket engines per se F02K9/42 B64G1/402Propellant tanks; Feeding propellants in general F02K9/44 B64G1/403Solid propellant rocket engines per se F02K9/08 B64G1/404Hybrid rocket engines per se F02K9/72 B64G1/405Ion or plasma engines per se F03H1/00 B64G1/406Arcjets and other resistojets B64G1/407Solar sailing (includes also attitude control using solar sailing) B64G1/408Nuclear spacecraft propulsion B64G1/409Unconventional spacecraft propulsion systems B64G1/42Arrangements or adaptations of power supply systems power supply systems per se, see the relevant subclasses B64G1/421Non-solar power generation B64G1/422Nuclear power generation B64G1/423Fuel cells B64G1/425Power storage B64G1/426Flywheels B64G1/427Thermal power storage B64G1/428Power distribution and management B64G1/44using radiation, e.g. deployable solar arrays solar cells per se H01L31/00 B64G1/443Photovoltaic cell arrays B64G1/446Thermal solar power generation B64G1/46Arrangements or adaptations of devices for control of environment or living conditions space suits B64G6/00 B64G1/48for treatment of the atmosphere B64G1/50 takes precedence; air conditioning in general F24F B64G1/50for temperature control temperature control in general G05D23/00 B64G1/503Radiator panels B64G1/506Heat pipes B64G1/52Protection, safety or emergency devicesSurvival aids life-saving in general A62 B64G2001/525Survival aids B64G1/54Protection against radiation against radiation in general G21F B64G1/543protecting the crew in manned spacecraft B64G1/546shielding electronic equipment B64G1/56Protection against meteoroids or space debris meteoroid or space debris detectors B64G1/68 B64G1/58Thermal protection, e.g. heat shields thermal insulation in general F16L59/00; chemical aspects, see the relevant classes B64G1/60Crew or passenger accommodations B64G1/62Systems for re-entry into the earth's atmosphereRetarding or landing devices B64G1/64Systems for coupling or separating cosmonautic vehicles or parts thereof, e.g. docking arrangements B64G1/641Interstage or payload connectors B64G2001/643Dispensers for arranging multiple satellites in a single launcher B64G1/645Separators B64G1/646Docking or rendez-vous systems B64G1/648Tethers B64G1/66Arrangements or adaptations of apparatus or instruments, not otherwise provided for instruments per se, see the relevant classes, e.g. antennas for use in satellites H01Q1/28 B64G1/68of meteoroid or space debris detectors B64G3/00Observing or tracking cosmonautic vehicles radio or other waves systems for navigating or tracking G01S B64G4/00Tools specially adapted for use in space B64G2004/005Robotic manipulator systems for use in space B64G5/00Ground equipment for vehicles, e.g. starting towers, fuelling arrangements B64G3/00 takes precedence B64G2005/005Systems for launching spacecraft from a platform at sea B64G6/00Space suits B64G7/00Simulating cosmonautic conditions, e.g. for conditioning crews simulators for teaching or training purposes G09B9/00 B64G2007/005Space simulation vacuum chambers B64G99/00Subject matter not provided for in other groups of this subclass