• Publications
  • Influence
Recent Gravity Models as a Result of the Lunar Prospector Mission
The lunar gravity field is determined from the tracking data of previous missions to the Moon with the 1998–1999 Lunar Prospector (LP) mission being the major contributor. LP provided the firstExpand
  • 319
  • 33
  • PDF
Fluid Core Size of Mars from Detection of the Solar Tide
The solar tidal deformation of Mars, measured by itsk 2 potential Love number, has been obtained from an analysis of Mars Global Surveyor radio tracking. The observedk 2 of 0.153 ± 0.017 is largeExpand
  • 201
  • 27
  • PDF
The Crust of the Moon as Seen by GRAIL
The Holy GRAIL? The gravity field of a planet provides a view of its interior and thermal history by revealing areas of different density. GRAIL, a pair of satellites that act as a highly sensitiveExpand
  • 465
  • 25
  • PDF
Dawn at Vesta: Testing the Protoplanetary Paradigm
A New Dawn Since 17 July 2011, NASA's spacecraft Dawn has been orbiting the asteroid Vesta—the second most massive and the third largest asteroid in the solar system (see the cover). Russell et al.Expand
  • 349
  • 21
  • PDF
Determination of Shape, Gravity, and Rotational State of Asteroid 433 Eros
Abstract Prior to the Near Earth Asteroid Rendezvous (NEAR) mission, little was known about Eros except for its orbit, spin rate, and pole orientation, which could be determined from ground-basedExpand
  • 226
  • 16
  • PDF
Venus Gravity: 180th Degree and Order Model
The Magellan Doppler radiometric tracking data provides unprecedented precision for spacecraft-based gravity measurements with the maximum resolution approaching spherical harmonic degree and orderExpand
  • 156
  • 13
  • PDF
Gravity Field of the Moon from the Gravity Recovery and Interior Laboratory (GRAIL) Mission
The Holy GRAIL? The gravity field of a planet provides a view of its interior and thermal history by revealing areas of different density. GRAIL, a pair of satellites that act as a highly sensitiveExpand
  • 283
  • 12
  • PDF
The gravity field of Mars: results from Mars Global Surveyor.
Observations of the gravity field of Mars reveal a planet that has responded differently in its northern and southern hemispheres to major impacts and volcanic processes. The rough, elevated southernExpand
  • 129
  • 12
  • PDF
A Global Solution for the Gravity Field, Rotation, Landmarks, and Ephemeris of Eros
As part of the NEAR Radio Science investigation, a global solution that includes both spherical and ellipsoidal harmonic gravity fields of Eros, Eros pole and rotation rate, Eros ephemeris, andExpand
  • 70
  • 10
  • PDF
Venusian k2 tidal Love number from Magellan and PVO tracking data
The k2 potential Love number which scales the tidal deformation of Venus by the Sun has been estimated from Doppler tracking of Magellan and Pioneer Venus Orbiter (PVO) spacecraft data. The nominalExpand
  • 68
  • 8