The size, shape, density, and Albedo of Ceres from its occultation of BD+8°471

R. L. Millis, L. H. Wasserman, O. G. Franz, R. A. Nye, R. C. Oliver, T. J. Kreidl, S. E. Jones, William B. Hubbard, L. Lebofsky, R. Goff, R. Marcialis, M. Sykes, J. Frecker, D. Hunten, B. Zellner, H. Reitsema, G. Schneider, E. Dunham, J. Klavetter, K. Meech & 22 others T. Oswalt, J. Rafert, E. Strother, J. Smith, H. Povenmire, B. Jones, D. Kornbluh, L. Reed, K. Izor, M. F. A'Hearn, R. Schnurr, W. Osborn, D. Parker, W. T. Douglas, J. D. Beish, A. R. Klemola, M. Rios, A. Sanchez, J. Piironen, M. Mooney, R. S. Ireland, D. Leibow

Research output: Contribution to journalArticle

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Abstract

The occultation of BD+8°471 by Ceres on 13 November 1984 was observed photoelectrically at 13 sites in Mexico, Florida, and the Caribbean. These observations indicate that Ceres is an oblate spheroid having an equatorial radius of 479.6±2.4 km and a polar radius of 453.4±4.5 km. The mean density of this minor planet is 2.7 g/cm3±5%, and its visual geometric albedo is 0.073. While the surface appears globally to be in hydrostatic equilibrium, firm evidence of real limb irregularities is seen in the data.

Original languageEnglish (US)
Pages (from-to)507-518
Number of pages12
JournalIcarus
Volume72
Issue number3
DOIs
StatePublished - 1987

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occultation
albedo
hydrostatics
limb
planet
oblate spheroids
radii
Mexico
asteroids
limbs
irregularities

ASJC Scopus subject areas

  • Space and Planetary Science
  • Astronomy and Astrophysics

Cite this

Millis, R. L., Wasserman, L. H., Franz, O. G., Nye, R. A., Oliver, R. C., Kreidl, T. J., ... Leibow, D. (1987). The size, shape, density, and Albedo of Ceres from its occultation of BD+8°471. Icarus, 72(3), 507-518. https://doi.org/10.1016/0019-1035(87)90048-0

The size, shape, density, and Albedo of Ceres from its occultation of BD+8°471. / Millis, R. L.; Wasserman, L. H.; Franz, O. G.; Nye, R. A.; Oliver, R. C.; Kreidl, T. J.; Jones, S. E.; Hubbard, William B.; Lebofsky, L.; Goff, R.; Marcialis, R.; Sykes, M.; Frecker, J.; Hunten, D.; Zellner, B.; Reitsema, H.; Schneider, G.; Dunham, E.; Klavetter, J.; Meech, K.; Oswalt, T.; Rafert, J.; Strother, E.; Smith, J.; Povenmire, H.; Jones, B.; Kornbluh, D.; Reed, L.; Izor, K.; A'Hearn, M. F.; Schnurr, R.; Osborn, W.; Parker, D.; Douglas, W. T.; Beish, J. D.; Klemola, A. R.; Rios, M.; Sanchez, A.; Piironen, J.; Mooney, M.; Ireland, R. S.; Leibow, D.

In: Icarus, Vol. 72, No. 3, 1987, p. 507-518.

Research output: Contribution to journalArticle

Millis, RL, Wasserman, LH, Franz, OG, Nye, RA, Oliver, RC, Kreidl, TJ, Jones, SE, Hubbard, WB, Lebofsky, L, Goff, R, Marcialis, R, Sykes, M, Frecker, J, Hunten, D, Zellner, B, Reitsema, H, Schneider, G, Dunham, E, Klavetter, J, Meech, K, Oswalt, T, Rafert, J, Strother, E, Smith, J, Povenmire, H, Jones, B, Kornbluh, D, Reed, L, Izor, K, A'Hearn, MF, Schnurr, R, Osborn, W, Parker, D, Douglas, WT, Beish, JD, Klemola, AR, Rios, M, Sanchez, A, Piironen, J, Mooney, M, Ireland, RS & Leibow, D 1987, 'The size, shape, density, and Albedo of Ceres from its occultation of BD+8°471', Icarus, vol. 72, no. 3, pp. 507-518. https://doi.org/10.1016/0019-1035(87)90048-0
Millis RL, Wasserman LH, Franz OG, Nye RA, Oliver RC, Kreidl TJ et al. The size, shape, density, and Albedo of Ceres from its occultation of BD+8°471. Icarus. 1987;72(3):507-518. https://doi.org/10.1016/0019-1035(87)90048-0
Millis, R. L. ; Wasserman, L. H. ; Franz, O. G. ; Nye, R. A. ; Oliver, R. C. ; Kreidl, T. J. ; Jones, S. E. ; Hubbard, William B. ; Lebofsky, L. ; Goff, R. ; Marcialis, R. ; Sykes, M. ; Frecker, J. ; Hunten, D. ; Zellner, B. ; Reitsema, H. ; Schneider, G. ; Dunham, E. ; Klavetter, J. ; Meech, K. ; Oswalt, T. ; Rafert, J. ; Strother, E. ; Smith, J. ; Povenmire, H. ; Jones, B. ; Kornbluh, D. ; Reed, L. ; Izor, K. ; A'Hearn, M. F. ; Schnurr, R. ; Osborn, W. ; Parker, D. ; Douglas, W. T. ; Beish, J. D. ; Klemola, A. R. ; Rios, M. ; Sanchez, A. ; Piironen, J. ; Mooney, M. ; Ireland, R. S. ; Leibow, D. / The size, shape, density, and Albedo of Ceres from its occultation of BD+8°471. In: Icarus. 1987 ; Vol. 72, No. 3. pp. 507-518.
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abstract = "The occultation of BD+8°471 by Ceres on 13 November 1984 was observed photoelectrically at 13 sites in Mexico, Florida, and the Caribbean. These observations indicate that Ceres is an oblate spheroid having an equatorial radius of 479.6±2.4 km and a polar radius of 453.4±4.5 km. The mean density of this minor planet is 2.7 g/cm3±5{\%}, and its visual geometric albedo is 0.073. While the surface appears globally to be in hydrostatic equilibrium, firm evidence of real limb irregularities is seen in the data.",
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AU - Millis, R. L.

AU - Wasserman, L. H.

AU - Franz, O. G.

AU - Nye, R. A.

AU - Oliver, R. C.

AU - Kreidl, T. J.

AU - Jones, S. E.

AU - Hubbard, William B.

AU - Lebofsky, L.

AU - Goff, R.

AU - Marcialis, R.

AU - Sykes, M.

AU - Frecker, J.

AU - Hunten, D.

AU - Zellner, B.

AU - Reitsema, H.

AU - Schneider, G.

AU - Dunham, E.

AU - Klavetter, J.

AU - Meech, K.

AU - Oswalt, T.

AU - Rafert, J.

AU - Strother, E.

AU - Smith, J.

AU - Povenmire, H.

AU - Jones, B.

AU - Kornbluh, D.

AU - Reed, L.

AU - Izor, K.

AU - A'Hearn, M. F.

AU - Schnurr, R.

AU - Osborn, W.

AU - Parker, D.

AU - Douglas, W. T.

AU - Beish, J. D.

AU - Klemola, A. R.

AU - Rios, M.

AU - Sanchez, A.

AU - Piironen, J.

AU - Mooney, M.

AU - Ireland, R. S.

AU - Leibow, D.

PY - 1987

Y1 - 1987

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