Banerdt, B.

Kedar, S.

Neal, C. R.

Panning, M.

Schmerr, N. C.

Siegler, M.

Weber, Renee

NASA Technical Reports Server

DEEP SPACE GATEWAY CONCEPT SCIENCE WORKSHOP 
FEBRUARY 27-MARCH 1, 2018 • DENVER, CO
Lunar seismology enabled by a Lunar Orbital Platform - Gateway 
Feb. 28, 2018
Renee Weber, NASA Marshall Space Flight Center
C. R. Neal, University of Notre Dame
S. Kedar, M. Panning, B. Banerdt, NASA Jet Propulsion Laboratory
N. C. Schmerr, University of Maryland, College Park
M. Siegler, Planetary Science Institute, Southern Methodist University
https://ntrs.nasa.gov/search.jsp?R=20190001311 2019-08-30T10:49:12+00:00Z
Instrument Function Statement and Gateway Usage 
2
STATEMENT INSTRUMENT/CONCEPT DETAILS
FUNCTION STATEMENT
Deploy a long-lived network of stationary
seismometers to the surface to monitor 
for seismic shaking induced by artificial 
sources, natural tectonism and meteorite 
impacts.
Science objectives:
• Quantify the amount and 
distribution of seismicity 
• Determine the detailed structure 
of the crust, mantle, and core 
WHY IS THE GATEWAY THE 
OPTIMAL FACILITY FOR THIS 
INSTRUMENT/RESEARCH? 
Lunar seismology is optimally enabled by 
a Gateway architecture that incorporates 
a reusable lunar lander/ascent vehicle 
that can deploy identical instrumentation 
at globally distributed locations
Gateway can enable seismology-
enhancing observations:
• Penetrators
• Active source release
• Laser interferometry
• Surface monitoring (including 
high-resolution imaging, impact 
flashes, SAR, altimetry) 
DEEP SPACE GATEWAY CONCEPT SCIENCE WORKSHOP | FEBRUARY 27-MARCH 1, 2018
Two basic concepts
3DEEP SPACE GATEWAY CONCEPT SCIENCE WORKSHOP | FEBRUARY 27-MARCH 1, 2018
Surface geophysical packages Gateway external payloads
JPL LUNETTE mission concept
vs.
“releaseables”
Basic Instrument Parameters – assuming surface geophysical package
4
PARAMETER ILN (SOLAR/BATTERY) ILN (ASRG) Future
MASS (KG) 25 30 <50kg (commercial?)
VOLUME (M) - - -
POWER (W) 19.5 day / 7.8 night Up to 74 -
THERMAL
REQUIREMENTS
Night survival required (±50°C operating) 
DAILY DATA VOLUME ~hundreds MB/day raw data generated (amount downlinked depends on comm. availability)
CURRENT TRL TRL 4-6 for notional payload instruments
WAG COST & BASIS 2 stations under Discovery / 4 stations under New Frontiers New Frontiers
DURATION OF 
EXPERIMENT
6 years 6 years 10 years
OTHER PARAMETERS - - -
DEEP SPACE GATEWAY CONCEPT SCIENCE WORKSHOP | FEBRUARY 27-MARCH 1, 2018
Instrument Gateway Usage – “releaseables” (landers, penetrators, etc.) 
5
USAGE INSTRUMENT REQUIREMENTS & COMMENTS
ORBIT CONSIDERATIONS Appropriate for release of autonomous assets to lunar surface
FIELD OF VIEW REQUIREMENTS N/A
REQUIRES USE OF AIRLOCK N/A
CREW INTERACTION REQUIRED? N/A
WILL ASTRONAUT PRESENCE BE DISRUPTIVE? N/A
DOES THE INSTRUMENT PRESENT A RISK TO THE CREW N/A
OTHER CONSUMABLES REQUIRED N/A
SPECIAL SAMPLE HANDLING REQUIREMENTS N/A
NEED FOR TELEROBOTICS? Possible use of arm or other deployment mech. for asset release 
OTHER REQUIREMNTS OF THE GATEWAY? Far-side stations would require comm. relay. 
DEEP SPACE GATEWAY CONCEPT SCIENCE WORKSHOP | FEBRUARY 27-MARCH 1, 2018
JPL LUNETTE mission concept
Instrument Gateway Usage – external payloads (imagers, lasers, etc.)
6
USAGE INSTRUMENT REQUIREMENTS & COMMENTS
ORBIT CONSIDERATIONS Stable LLO (lasers/LROC); L2 halo for far-side impact flash monitoring
FIELD OF VIEW REQUIREMENTS N/A
REQUIRES USE OF AIRLOCK N/A
CREW INTERACTION REQUIRED? N/A
WILL ASTRONAUT PRESENCE BE DISRUPTIVE? possibly
DOES THE INSTRUMENT PRESENT A RISK TO THE CREW N/A
OTHER CONSUMABLES REQUIRED N/A
SPECIAL SAMPLE HANDLING REQUIREMENTS N/A
NEED FOR TELEROBOTICS? Possible for instrument pointing and stability
OTHER REQUIREMNTS OF THE GATEWAY? N/A
DEEP SPACE GATEWAY CONCEPT SCIENCE WORKSHOP | FEBRUARY 27-MARCH 1, 2018
References and Status of Work in this Field
7
DEEP SPACE GATEWAY CONCEPT SCIENCE WORKSHOP | FEBRUARY 27-MARCH 1, 2018
1) International Lunar Network Final Report https://sservi.nasa.gov/wp-content/uploads/drupal/ILN_Final_Report.pdf
2) LUNETTE: A Discovery-class Lunar Geophysical Network concept: https://www.lpi.usra.edu/meetings/lpsc2010/pdf/2710.pdf
3) Enabling technologies: https://www.hou.usra.edu/meetings/V2050/pdf/8143.pdf
4) Penetrator concept (LUNAR-A heritage): https://www.sciencedirect.com/science/article/pii/S0032063308004170
5) Impact flash monitoring: https://www.hou.usra.edu/meetings/deepspace2018/pdf/3031.pdf
6) Laser retroreflectors: https://www.hou.usra.edu/meetings/leag2017/pdf/5070.pdf
7) Planetary Broadband Seismometer: https://agu.confex.com/agu/fm17/meetingapp.cgi/Paper/263006
8) Seismometer to investigate ice and ocean structure: https://agu.confex.com/agu/fm17/meetingapp.cgi/Paper/259995
9) Magnetometer: https://www.hou.usra.edu/meetings/deepspace2018/pdf/3173.pdf
10) Heat flow probe: https://www.hou.usra.edu/meetings/deepspace2018/pdf/3009.pdf
11) VBB
12) SP
13) HP3
Background information and science drivers:
Status of current development efforts:
InSight-leveraging:


Lunar Seismology Enabled by a Lunar Orbital Platform-Gateway

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