Category Archives: Lunar Orbiters

Weekend Edition
Fri-Mon / 6-9 June 2014

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LRO Has More Work To Do After 5 Productive Years

LROsymphony

With A Generous Reserve Of Fuel And 7 Instruments Performing “Like A Finely Tuned Symphony” LRO Still A Valuable Tool For Planetary Science / Exploration; Preliminary Goals For Proposed 2nd Extended Mission Include: Evaluate Nature Of Thermophysical Differences Between Permanently Shaded Regions & Rest Of Moon, Complete Mapping (0.5-2m / Pixel) Of Non-Polar Regions, Continue Longitudinal Studies Of Changes On Moon (Impact Cratering Rate, etc), Increase Scientific Productivity Of Future Lunar Surface Missions; Pictured R-L: LRO Project Scientist Richard Vondrak & Project Manager Craig Tooley

Image Credit: NASA

Wednesday / 28 May 2014

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LRO Celebrates Moon As Art For 5th Anniversary

LROmoonArt

Public Invited By NASA To Select Cover Image For ‘The Moon As Art’ LRO Image Collection, Voting Open Until 6 June; Finalists: Starry Night, Clerke Crater, Diviner North Pole, Linne Crater & Tycho Central Peak; Full Collection Of 24 Images Will Be Released On 18 June, 5th Anniversary Of LRO Launch; The Future Of LRO Remains Uncertain, Mission Could End Sep 2014 Or Be Extended 2 More Years; Fate Will Likely Be Determined By Results Of Biennial NASA Senior Review Expected In June 

Image Credit: NASA

Friday / 23 May 2014

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LADEE Lunar Laser Communication Demonstration Performance To Be Detailed

LLCD 2014

New Comprehensive Overview Of LLCD To Be Presented At CLEO 2014 Conference 8-13 June By Team From MIT Lincoln Laboratory (Developer Of Primary Lunar Laser Ground Terminal); Will Describe Techniques To Achieve Error-Free Performance Over ~400,000km Distance / Atmospheric Disturbances; Transmitted Data From Earth To Moon At 19.44 Megabits Per Second – Beat Previous Record By Factor Of 4,800; Significant For Moon & Beyond Missions, Real-Time Communication & 3-D HD Video

Image Credit: NASA

Tuesday / 29 April 2014

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ISEE-3 Reboot Project To Include Moon Flyby

ISEE-3_0414

LOIRP Team Leaders Dennis Wingo (T) & Keith Cowing (B) Heading Up Crowdfunding Project To Reactivate Comet-Chasing Probe ISEE-3; Team Has Already Raised Over 40% Of The US$125,000 Goal, Needs To Have Funds / Contact Probe By Mid-May, Complete Orbit Change Maneuvers No Later Than Mid-June 2014, Those Maneuvers Will Include Flyby Of Moon At 50-Km Altitude; If Successful, 479-Kg Probe Will Be Directed To Study A Nearby Comet, All New Data From 13 Craft Instruments Will Be Crowdsourced 

Image Credit: Rockethub.com, SpaceRef, Crowdfunder.com

Tuesday / 22 April 2014

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Old Moon, New Moon Lecture At Carnegie Institute

ZuberLecture0414

Maria Zuber Of MIT Will Give Lecture Today Entitled ‘Old Moon, New Moon‘ At The Carnegie Institute For Science In Washington DC; Dr Zuber Will Describe How Understanding Of The Moon Evolved With GRAIL Mission Data – Surprisingly Low Density (2550 Kg / M³) & Thickness (34-43 Km) Of Lunar Crust – & How Studying The Moon Provides Insight Into How Other Rocky Planets Formed / Developed

Image Credit: MIT, NASA, Carnegie Institute for Science

Weekend Edition
Fri-Mon / 18-21 April 2014

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LADEE Spacecraft Meets End,
Science Data Analysis Continues

LADEE Spacecraft End

LADEE Orbiting At ~5,793kph Collected Valuable Science Data & Mimicked Surveyor / Apollo ‘Twilight Ray’ Observations With Star Tracker At ~91-Meter Altitude Prior To Far-Side Impact 17 Apr Between 21:30-22:22 PDT, Possibly Smashing Into Lunar Crater Or Mountain Ridge; Will Take More Than 1 Year To Analyze Successful US$280M Mission Data Including LDEX Characterization Of Ejecta Cloud & Perturbations From Chang’e-3 Landing; Completion Of 5th USA Moon Orbiter Mission Since Apollo Era, No Controlled Landings Achieved After 1972

Pictured: NASA Administrator Charles Bolden & part of the LADEE Team

Image Credit: NASA

Friday / 18 April 2014

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Lunar Orbiters Survive Eclipse With Flying Colors

EclipseOrbiters0414

LRO Survives 2 Consecutive Orbits Going Straight From Moon Shadow To Earth Shadow; LRO Twitter Account Reports Probe Instruments Dropped To 15° C; Engineers Were Less Confident That LADEE Would Survive Cold, In Normal Orbit Probe Is Deprived Of Sunlight For 1 Hour, During Eclipse It Survived 4 Hours Of Shadow; Mission Team Received Yellow Then Red Alarms As Power / Temperatures Dropped, Once Sunlight Returned All Returned To Normal, Allowing Spacecraft To Continue Collecting Valuable Data While Gradually Reducing Altitude

Image Credit: NASA, Astro Bob

Tuesday / 15 April 2014

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Lunar Eclipse Provides Challenges / Opportunities For Moon Craft

LROEclipse0414

Total Lunar Eclipse Visible In Western Hemisphere 15 Apr Between 07:06-08:24 UT, First Of Series Of 4 (Tetrad) In Next 18 Months; Celestial Geometry Will Challenge LRO Systems As Craft Will Pass Through Earth Shadow In 2 Consecutive Orbits; Eclipse Could Cause LADEE Propulsion Systems To Freeze, Yet Should Not Affect Scheduled ~21 Apr Impact; Chang’e-3 Lander Will Have Unique View Of Earth (TL) During Eclipse, Potential Opportunity To Study How Moon Cools While In Earth Shadow

Image Credit: NASA

Tuesday / 8 April 2014

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LADEE Preparing For Final Descent

LADEEimpact0414

Ground Controllers From NASA Ames Will Command LADEE To Perform Final Orbital Maintenance Maneuver On Friday 11 Apr, To Put Probe On Course For Far Side Impact On Or Before 21 Apr, Travelling At 1.6 km/sec; Total Lunar Eclipse On 15 Apr Will Expose Craft To 4 Hours Of Extreme Conditions; Exact Date / Time Of Impact Depends On Variables Such As Mascons / Lumpy Gravity, Topographic Features; Public Can Guess Impact Time In NASA ‘Take The Plunge’ Contest

Image Credit: NASA

Thursday / 3 April 2014

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LADEE Media Teleconference Today

LADEEteleconference0414

Media Teleconference Hosted By NASA Today At 11:00 PDT To Discuss LADEE Extended Mission Operations, Additional Science Gathering, Planned 21 Apr Impact Into Lunar Surface; US$263M-Probe Successfully Completed 100-Day Primary Mission In March; Spacecraft Will Continue To Gather Data At Progressively Lower Altitudes Until Impact; Teleconference Participants: LADEE Project Executive Joan Salute (T), Project Manager Butler Hine (B), Project Scientist Richard Elphic

Image Credit:  NASA