Search Results - "Giorgini, J. D"
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Dynamical Configuration of Binary Near-Earth Asteroid (66391) 1999 KW4
Published in Science (American Association for the Advancement of Science) (24-11-2006)“…Dynamical simulations of the coupled rotational and orbital dynamics of binary near-Earth asteroid 66391 (1999 KW4) suggest that it is excited as a result of…”
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Binary Asteroids in the Near-Earth Object Population
Published in Science (American Association for the Advancement of Science) (24-05-2002)“…Radar images of near-Earth asteroid 2000 DP107 show that it is composed of an ∼800-meter-diameter primary and an ∼300-meter-diameter secondary revolving around…”
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Asteroid 1950 DA's Encounter with Earth in 2880: Physical Limits of Collision Probability Prediction
Published in Science (American Association for the Advancement of Science) (05-04-2002)“…Integration of the orbit of asteroid (29075) 1950 DA, which is based on radar and optical measurements spanning 51 years, reveals a 20-minute interval in March…”
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Estimating the Mass of Asteroid 253 Mathilde from Tracking Data During the NEAR Flyby
Published in Science (American Association for the Advancement of Science) (19-12-1997)“…The terminal navigation of the Near Earth Asteroid Rendezvous (NEAR) spacecraft during its close flyby of asteroid 253 Mathilde involved coordinated efforts to…”
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Radar imaging of Asteroid 7 Iris
Published in Icarus (New York, N.Y. 1962) (01-05-2010)“…Arecibo radar images of Iris obtained in November 2006 reveal a topographically complex object whose gross shape is approximately ellipsoidal with equatorial…”
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Mid-infrared Photometric Analysis of Main Belt Asteroids: A Technique for Color-Color Differentiation from Background Astrophysical Sources
Published in The Astrophysical journal (01-09-2010)“…The Spitzer Space Telescope routinely detects asteroids in astrophysical observations near the ecliptic plane. For the galactic or extragalactic astronomer,…”
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Radio Science Results during the NEAR-Shoemaker Spacecraft Rendezvous with Eros
Published in Science (American Association for the Advancement of Science) (22-09-2000)“…We determined the mass of asteroid 433 Eros, its lower order gravitational harmonics, and rotation state, using ground-based Doppler and range tracking of the…”
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High precision comet trajectory estimates: The Mars flyby of C/2013 A1 (Siding Spring)
Published in Icarus (New York, N.Y. 1962) (01-03-2016)“…•Successfully computed ephemeris of Comet C/2013 A1 for the Oct 2014 Mars flyby.•Used high quality astrometry and applied strict selection criteria to…”
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Radar observations of Comet P/2005 JQ5 (Catalina)
Published in Icarus (New York, N.Y. 1962) (01-09-2006)“…Arecibo radar observations of Comet P/2005 JQ5 (Catalina) have produced the first delay-Doppler images of a comet nucleus and the first radar detection of…”
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Radar Detection of the Nucleus and Coma of Comet Hyakutake (C/1996 B2)
Published in Science (American Association for the Advancement of Science) (12-12-1997)“…Radar observations of comet Hyakutake (C/1996 B2) made at the Goldstone Deep Space Communications Complex in California have detected echoes from the nucleus…”
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Radar Observations and Physical Model of Asteroid 6489 Golevka
Published in Icarus (New York, N.Y. 1962) (01-11-2000)“…We report 8510-MHz (3.5-cm) radar observations of the Earth-crossing asteroid (ECA) 6489 Golevka (1991 JX) obtained between June 3 and June 15, 1995, at…”
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Estimating the Mass of Asteroid 433 Eros During the NEAR Spacecraft Flyby
Published in Science (American Association for the Advancement of Science) (23-07-1999)“…The Near Earth Asteroid Rendezvous (NEAR) spacecraft flew within 3830 kilometers of asteroid 433 Eros on 23 December 1998. The gravitational perturbation on…”
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13
Binary Asteroids in the Near-Earth Object Population
Published in Science (American Association for the Advancement of Science) (24-05-2002)“…Radar images of near-Earth asteroid 2000 DP107 show that it is composed of an ∼800-meter-diameter primary and an ∼300-meter-diameter secondary revolving around…”
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14
Direct Detection of the Yarkovsky Effect by Radar Ranging to Asteroid 6489 Golevka
Published in Science (American Association for the Advancement of Science) (05-12-2003)“…Radar ranging from Arecibo, Puerto Rico, to the 0.5-kilometer near-Earth asteroid 6489 Golevka unambiguously reveals a small nongravitational acceleration…”
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Extreme elongation of asteroid 1620 Geographos from radar images
Published in Nature (London) (08-06-1995)“…Radar measurements of the Earth-crossing asteroid 1620 Geographos during its recent close encounter with the Earth are described. The silhouette of Geographos…”
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Radar observations and a physical model of binary near-Earth asteroid 65803 Didymos, target of the DART mission
Published in Icarus (New York, N.Y. 1962) (15-09-2020)“…Near-Earth asteroid Didymos is a binary system and the target of the proposed Double Asteroid Redirection Test (DART) mission (Cheng et al., 2016), which is a…”
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A Global Solution for the Gravity Field, Rotation, Landmarks, and Ephemeris of Eros
Published in Icarus (New York, N.Y. 1962) (01-12-2002)“…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…”
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Dynamical Configuration of Binary Near-Earth Asteroid (66391) 1999 KW4
Published in Science (American Association for the Advancement of Science) (24-11-2006)“…Dynamical simulations of the coupled rotational and orbital dynamics of binary near-Earth asteroid 66391 (1999 KW4) suggest that it is excited as a result of…”
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The mean rotation rate of Venus from 29 years of Earth-based radar observations
Published in Icarus (New York, N.Y. 1962) (01-11-2019)“…We measured the length of the Venus sidereal day (LOD) from Earth-based radar observations collected from 1988 to 2017, using offsets in surface feature…”
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Radar and Optical Observations of Asteroid 1998 KY26
Published in Science (American Association for the Advancement of Science) (23-07-1999)“…Observations of near-Earth asteroid 1998 KY26 shortly after its discovery reveal a slightly elongated spheroid with a diameter of about 30 meters, a…”
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