Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Rodica Ionasescu"'
Autor:
Bruce M. Jakosky, Stuart Demcak, Robert Beswick, Rodica Ionasescu, Richard Burns, Eric Graat, Michael Haggard, William Pisano, Brian Young, Randall S. Hughes, Nicholas Sealy, Julim Lee, James R. Carpenter, Kevin Criddle
Publikováno v:
AIAA Scitech 2020 Forum.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3c38e3b93b999749a388f5dca8c3fc94
https://doi.org/10.2514/6.2020-0471
https://doi.org/10.2514/6.2020-0471
Autor:
M. C. Meek, F. J. Pelletier, D. W. Parcher, I. M. Roundhill, R. A. Mackenzie, K. E. Criddle, J. R. Stauch, J. B. Jones, Rodica Ionasescu, William M. Owen, Duane Roth, Peter G. Antreasian, J. J. Bordi, Robert A. Jacobson
Publikováno v:
The Astronomical Journal. 132:2520-2526
We present values for the masses of Saturn and its major satellites, the zonal harmonics in the spherical harmonic expansion of Saturn's gravitational potential, and the orientation of the pole of Saturn. We determined these values using an extensive
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::64896da1429b3ae8ef4d84cffd94c92f
https://doi.org/10.1086/508812
https://doi.org/10.1086/508812
Autor:
Julie A. Kangas, Brent Buffington, Kevin Criddle, Ralph B. Roncoli, Jon A. Sims, Powtawche N. Valerino, Tomas J. Martin-Mur, Yungsun Hahn, Rodica Ionasescu
Publikováno v:
AIAA/AAS Astrodynamics Specialist Conference.
A multiple-flyby mission to the Jovian moon Europa has been proposed. Currently known as the Europa Clipper, the primary objective of this mission would be to observe the science-rich environment of Europa. After a launch in 2021 and a 6.5-year cruis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bc6c6b9d757661956bc6a4a3beb65f27
https://doi.org/10.2514/6.2014-4461
https://doi.org/10.2514/6.2014-4461
Autor:
Robert A. Jacobson, Peter G. Antreasian, Duane Roth, Brent Buffington, Jonathon Smith, Sumita Nandi, F. J. Pelletier, Jeremy Jones, Simon Nolet, Kevin Criddle, Shadan Ardalan, Daniel W. Parcher, Paul Thompson, Rodica Ionasescu
Publikováno v:
SpaceOps 2012 Conference.
This paper reports on the orbit determination performance for the Cassini spacecraft from July 2008 to December 2011. During this period, Cassini made 85 revolutions around Saturn and had 52 close satellite encounters. 35 of those were with the massi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c824e1376ad728318db02d9c275fc296
https://doi.org/10.2514/6.2012-1256588
https://doi.org/10.2514/6.2012-1256588
Autor:
Rodica Ionasescu
Publikováno v:
AIAA/AAS Astrodynamics Specialist Conference.
The accurate navigation of the Cassini spacecraft achieved during the Prime and Equinox Cassini Missions around Saturn will enable further exploration of this planet and its satellites. A seven-year extension beyond the Equinox Mission was proposed a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb38a474b9485d1ebe82aa69c645e638
https://doi.org/10.2514/6.2010-8264
https://doi.org/10.2514/6.2010-8264
Autor:
Rodica Ionasescu, Kevin Criddle, F. J. Pelletier, Peter G. Antreasian, Ruairi J Mackenzie, Jeremy Jones, Robert A. Jacobson, Andrew T. Vaughan, Shadan Ardalan, Daniel W. Parcher, Paul Thompson, Duane Roth
Publikováno v:
SpaceOps 2008 Conference.
The Cassini orbiter is the largest and most complex interplanetary spacecraft ever built. Since attaining orbit around Saturn in the summer of 2004, Cassini, along with its Huygens probe, have been continually improving our understanding Saturn, its
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bd8659f70c5239c0e1f1e99397b8673a
https://doi.org/10.2514/6.2008-3412
https://doi.org/10.2514/6.2008-3412
Autor:
Rodica Ionasescu, Paul A. Penzo
Publikováno v:
27th Aerospace Sciences Meeting.
Design options for tethered systems which can produce a variable gravity living environment in space are discussed. Parameters of rotating systems are reviewed, and early studies of rotating systems are recalled. Artificial gravity configurations are
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::76e6825d3ceaed1fa42d86ba58f9ebf2
https://doi.org/10.2514/6.1989-100
https://doi.org/10.2514/6.1989-100
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