Data Set Information
DATA_SET_NAME SMALL BODY SHAPE MODELS V2.0
DATA_SET_ID EAR-A-5-DDR-SHAPE-MODELS-V2.0
NSSDC_DATA_SET_ID
DATA_SET_TERSE_DESCRIPTION
DATA_SET_DESCRIPTION Data Set Overview : This data set contains the Peter Thomas shape models for small solar system bodies, as well as image mosaics constructed from these models. These shape models are based on optical data and are distinct from the shape models based on radar observations which are included in a separate data set, EAR-A-5-DDR-RADARSHAPE-MODELS-V1.0. The current version of this data set contains the following. 243 Ida: Shape model, image mosaic, and a list of Galileo SSI images used to construct the image mosaic 951 Gaspra: Shape model, image mosaic, and a list of Galileo SSI images used to construct the image mosaic 253 Mathilde: Shape model and a list of NEAR MSI images used to produce the shape model. 4 Vesta: Shape model and a list of HST images used to produce the shape model. M1 Phobos: Shape model and image mosaic M2 Deimos: Shape model and image mosaic S7 Hyperion: Shape model and image mosaic S10 Janus: Shape model (image mosaic not yet completed) S11 Epimetheus: Shape model (image mosaic not yet completed) Parameters : The shape models consist of a grid of body-centered latitude and longitude with a diameter listed for each grid point. Details of mapping and production of each model are given in the PDS label for the shape model file, and further details are given in the relevant published papers. Davies, M.E., V.K. Abalakin, A. Brahic, M. Bursa, B.H. Chovitz, J.H. Lieske, P.K. Seidelmann, A.T. Sinclair, and I.S. Tiuflin 1992. Report of the IAU/IAG/COSPAR Working Group on Cartographic Coordinates and Rotational Elements of the Planets and Satellites - 1991. Celestial Mechanics and Dynamical Astronomy, 53, no. 4, 377-397. [DAVIESETAL1992] Simonelli, D.P., P.C. Thomas, B.T. Carcich, and J. Veverka 1993. Generation and use of numerical shape models for irregular solar system objects. Icarus, 103, 49-61. [SIMONELLIETAL1993] Thomas, P.C. 1993. Gravity, tides, and topography on small satellites and asteroids. Icarus 105, 326-344. [THOMAS1993] Duxbury, T.C., and J.D. Callahan 1989. Phobos and Deimos control networks. Icarus 77, 275-286. [DUXBURY&CALLAHAN1989] Duxbury, T.C., J.D. Callahan, and A.C. Ocampo 1984. Phobos: Close encounter imaging from the Viking Orbiters. NASA reference publication 1109. [DUXBURYETAL1984] Davies, M.E., T.R. Colvin, M.J.S. Belton, J. Veverka, and P. Thomas 1994. The direction of the north pole and the control network of asteroid 951 Gaspra. Icarus 107, 18-22. [DAVIESETAL1994A] Davies, M.E., T.R. Colvin, M.J.S. Belton, J. Veverka, and P. Thomas 1996. The direction of the north pole and the control network of asteroid 243 Ida. Icarus 120, 33-37. [DAVIESETAL1996] Thomas, P.C., J. Veverka, D. Simonelli, P. Helfenstein, B. Carcich, M.J.S. Belton, M.E. Davies, and C. Chapman 1994. The shape of Gaspra. Icarus 107, 25-36. [THOMASETAL1994] Thomas, P.C., M.J.S. Belton, B. Carcich, C. R. Chapman, M.E. Davies, R. Sullivan, and J. Veverka 1996. The shape of Ida. Icarus 120, 20-32. [THOMASETAL1996] Thomas, P.C., G.J. Black, and P.D. Nicholson 1995. Hyperion: Rotation, shape, and geology from Voyager images. Icarus 117, 128-148. [THOMASETAL1995] Yoder, C.F., S.P. Synnott, and H. Salo 1989. Orbits and masses of Saturn's co-orbiting satellites Janus and Epimetheus. Astron. J. 98, 1875-1889. [YODERETAL1989] Thomas, P. 1989. The shapes of small satellites. Icarus 77, 248-274. [THOMAS1989] Thomas, P.C., R.P. Binzel, M.J. Gaffey, B.H. Zellner, A.D. Storrs, and E. Wells 1997. Vesta: Spin pole, size, and shape from HST images. Icarus 128, 88-94. [THOMASETAL1997] Thomas, P.C., J. Veverka, J.F. Bell III, B.E. Clark, B. Carcich, J. Joseph, M. Robinson, L.A. McFadden, M.C. Malin, C.R. Chapman, W. Merline, and S. Murchie 1999. Mathilde: Size, shape, and geology. Icarus 140, 17-27. [THOMASETAL1999] Update History : This data set was first reviewed and archived in 1997. It is now being updated to include two new shape models which have become available, those of the asteroids 253 Mathilde and 4 Vesta.
DATA_SET_RELEASE_DATE 2000-06-01T00:00:00.000Z
START_TIME 1976-06-22T12:00:00.000Z
STOP_TIME 1997-06-27T11:59:00.000Z
MISSION_NAME SUPPORT ARCHIVES
MISSION_START_DATE 2004-03-22T12:00:00.000Z
MISSION_STOP_DATE N/A (ongoing)
TARGET_NAME 4 VESTA
GASPRA
IDA
MATHILDE
DEIMOS
EPIMETHEUS
HYPERION
JANUS
PHOBOS
TARGET_TYPE ASTEROID
SATELLITE
INSTRUMENT_HOST_ID
INSTRUMENT_NAME
INSTRUMENT_ID
INSTRUMENT_TYPE
NODE_NAME Small Bodies
ARCHIVE_STATUS SUPERSEDED
CONFIDENCE_LEVEL_NOTE Review : This data set underwent external peer review on June 1, 2000.
CITATION_DESCRIPTION Unknown
ABSTRACT_TEXT Optical shape models of 9 planetary moons and asteroids, derived from spacecraft imaging by P. Thomas
PRODUCER_FULL_NAME Carol Neese
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