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Mars Geyser Hopper: Difference between revisions

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Mars Geyser Hopper (edit)

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{{Vetted|0}}{{Infobox spaceflight
| name = Mars Geyser Hopper<!--defaults to page title-->
| names_list = <!--list of previous names if the spacecraft has been renamed.
Include the dates applicable if possible, and separate each name with a linebreak.
Omit if the spacecraft has only ever been known by one name.
Do not include Harvard, COSPAR/NSSDC or SATCAT/NORAD/NASA designations as alternative names-->
 
<!--image of the spacecraft/mission-->
| image = NASA Mars Polar Geyser Hopper.jpg<!--omit the "file" prefix-->
| image_caption = CAD model of the Mars Geyser Hopper, as landed (left) and as packaged inside aeroshell with cruise stage attached (right)<!--image caption-->
| image_alt = <!--image alt text-->
| image_size = 250px<!--include px/em; defaults to 220px-->
 
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| operator = [[NASA]]<!--organisation(s) that operate(d) the spacecraft-->
| mission_duration = One Martian year (22 months) on the surface.<!--How long the mission lasted-->
| launch_mass = {{convert|1092|kg|abbr=on}}<br />Lander: {{convert|500|kg|abbr=on}}| power = [[Solar array]] for 150 W,<br />Lander: [[Advanced Stirling Radioisotope Generator|ASRG]] for 133 W<!--end-of-life power, in watts-->▼
 
<!--Spacecraft properties-->
| spacecraft = <!--Spacecraft name/serial number (eg. Space Shuttle ''Discovery'', Apollo CM-118), etc-->
| spacecraft_type = <!--eg. GPS Block II, Kobalt-M, US-K, etc-->
| spacecraft_bus = <!--eg. A2100M, Star-2, etc-->
| manufacturer = <!--company or companies who built the satellite-->
| launch_mass = {{convert|1092|kg|abbr=on}}<br />Lander: {{convert|500|kg|abbr=on}}<!--fuelled mass at launch, not including rocket or upper stage-->
| BOL_mass = <!--spacecraft mass in orbit at beginning of operational life, after LEOP phase-->
| landing_mass = <!--Mass after landing (recovered spacecraft only)-->
| dry_mass = <!--spacecraft mass in orbit without fuel-->
| payload_mass = <!--Mass of cargo carried by spacecraft (eg. for Space Shuttle), or total mass of instrumentation/equipment/experiments for mission-->
| dimensions = <!--body dimensions and solar array span-->
▲| power = [[Solar array]] for 150 W,<br />Lander: [[Advanced Stirling Radioisotope Generator|ASRG]] for 133 W<!--end-of-life power, in watts-->
 
<!--Launch details-->
| launch_date = <!--{{start date|YYYY|MM|DD|hh|mm|ss|TZ=Z}}-->
| launch_rocket = [[Atlas V]]-401<!--Rocket that launched the satellite, include upper stage if distinct from rocket* and if possible flight/tail/serial number-->
| launch_site = [[Florida, USA]]<!--Where the rocket launched from, including complex and pad; do not include the full address or country-->
| launch_contractor = <!--organisation(s) that conducted the launch (eg. United Launch Alliance, Arianespace, etc)-->
| deployment_from = <!--place where deployed from-->
| deployment_date = <!--date deployed-->
| entered_service = <!--date on which the spacecraft entered service, if it did not do so immediately after launch-->
<!-- * - e.g. Proton-M/Briz-M not Proton-M, but Titan IV(401)A not Titan IV(401)A-Centaur-->
 
| programme interplanetary = ▼
<!--end of mission-->
| disposal_type = <!--Whether the spacecraft was deorbited, decommissioned, placed in a graveyard orbit, etc-->
| deactivated = <!--when craft was decommissioned-->
| destroyed = <!--when craft was destroyed (if other than by re-entry)-->
| last_contact = <!--when last signal received if not decommissioned-->
| recovery_by = <!--recovered by-->
| recovery_date = <!--recovery date-->
| decay_date = <!--when craft re-entered the atmosphere, not needed if it landed-->
| landing_date = <!--when the spacecraft made a controlled landing, not needed if it did not return intact-->
| landing_site = <!--where the craft landed; site/runway or coordinates-->
<!--
The following template should be used for ONE of the three above fields "end_of_mission", "decay" or "landing" if the spacecraft is no longer operational.
If it landed intact, use it for the landing time, otherwise for the date it ceased operations, or the decay date if it was still operational when it re-entered.
{{end date|YYYY|MM|DD|hh|mm|ss|TZ=Z}} (for Zulu/UTC) or {{end date|YYYY|MM|DD}} (if time unknown)
-->
 
<!--orbit parameters-->
<!--as science-related articles, SI units should be the principal units of measurement, however we usually use {{convert}} to display imperial units in parentheses after the initial values-->
| orbit_reference = <!--geocentric, selenocentric, etc - please link (e.g. [[Geocentric orbit|Geocentric]])-->
| orbit_regime = <!--high, low, medium, molniya, GSO - please link (e.g. [[Low Earth orbit|Low Earth]] - please don't use acronyms-->
| orbit_longitude = <!--geosynchronous satellites only-->
| orbit_slot = <!--Designation of orbital position or slot, if not longitude (e.g plane and position of a GPS satellite)-->
| orbit_semimajor = <!--semimajor axis-->
| orbit_eccentricity = <!--orbital eccentricity-->
| orbit_periapsis = <!--periapsis altitude-->
| orbit_apoapsis = <!--apoapsis altitude-->
| orbit_inclination = <!--orbital inclination-->
| orbit_period = <!--time taken to complete an orbit-->
| orbit_RAAN = <!--right ascension of the ascending node-->
| orbit_arg_periapsis = <!--argument of perigee/periapsis-->
| orbit_mean_anomaly = <!--mean anomaly at epoch, only use in conjunction with an epoch value-->
| orbit_mean_motion = <!--mean motion of the satellite, usually measured in orbits per day-->
| orbit_repeat = <!--repeat interval/revisit time-->
| orbit_velocity = <!--speed at which the spacecraft was travelling at epoch - only use for spacecraft with low orbital eccentricity-->
| orbit_epoch = <!--the date at which the orbit parameters were correct-->
| orbit_rev_number = <!--revolution number-->
| apsis = <!--planet specific apsis term (eg. gee/helion/selene/etc - defaults to generic "apsis")-->
 
|interplanetary = <!--Infobox spaceflight/IP can be called multiple times for missions with multiple targets or combined orbiter/lander missions, etc-->
{{Infobox spaceflight/IP
|type = lander <!--delete as appropriate, MUST BE ONE OF THESE OPTIONS-->
|object = [[Mars]]<!--body visited - e.g. Jupiter, Venus, etc-->
|orbitslocation = [[Planum =Australe|south pole of Mars]]<!--numberlanding/impact ofsite, orbitsincluding completedEOM atimpacts targetfor bodyatmospheric (if applicableprobes and known)lunar/asteroid orbiters-->
|component = <!--part of the spacecraft involved, if spacecraft split into multiple components-->
|arrival_date = <!--Flybys: date/time of closest approach; Orbiters; orbital insertion date; Impactors/Landers/Rovers: impact/landing date/time; Atmospheric probes: atmospheric entry time-->
|departure_date = <!--Date of leaving orbit for orbiters, date of launch for landers which took off again-->
|location = [[Planum Australe|south pole of Mars]]<!--landing/impact site, including EOM impacts for atmospheric probes and lunar/asteroid orbiters-->
|distance = <!--closest approach distance for flybys, distance travelled on surface for rovers, omit for others-->
|sample_mass = <!--mass of samples returned (sample return missions only)-->
|surface_EVAs = <!--number of EVAs on the surface-->
|surface_EVA_time = <!--time spent on surface EVAs-->
 
<!--Orbit parameters, ONLY USE IF THE ABOVE ORBIT PARAMETERS SECTION DOESN'T APPLY TO THE TARGET-->
|periapsis = <!--periapsis altitude-->
|apoapsis = <!--apoapsis altitude-->
|inclination = <!--inclination to the object's equator-->
|apsis = <!--planet specific apsis term, as above-->
}}
 
<!--Only use where a spacecraft/mission is part of a clear programme of sequential missions.
If in doubt, leave it out-->
▲| programme =
| previous_mission =
| next_mission =
 
<!--mission insignia or patch-->
| insignia = <!--omit the "file" prefix-->
| insignia_caption = <!--image caption-->
| insignia_alt = <!--image alt text-->
| insignia_size = <!--include px/em; defaults to 180px-->
}}
The '''Mars Geyser Hopper''' (MGH) is a [[NASA]] design reference mission for a [[Discovery Program|Discovery-class]] [[spacecraft]] concept that would investigate the springtime [[carbon dioxide]] [[Martian geyser]]s found in regions around the [[Planum Australe|south pole of Mars]].<ref name='design study'>{{cite web |url=https://ntrs.nasa.gov/search.jsp?R=20120004036 |title=Design Study for a Mars Geyser Hopper |accessdate=2012-07-01 |author=Landis, Geoffrey A. |author2=Oleson, Steven J. |author3= McGuire, Melissa |authorlink=Geoffrey A. Landis |date=9 January 2012 |website=NASA}}</ref><ref name='Geyser Hopper'>{{cite conference |author=Geoffrey A. Landis |author2=Steven J. Oleson |author3=Melissa McGuire |title=Design Study for a Mars Geyser Hopper |conference=50th AIAA Aerospace Sciences Conference |publisher=Glenn Research Center, NASA |date=9 January 2012 |id=AIAA-2012-0631 |url=https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20120004036_2012004260.pdf |format=PDF |accessdate=2012-07-01}}</ref>
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