Improvement of the ephemerides of Phoebe, 9th satellite   of
Saturn, 
from new observations made from 1995 to 2000

Arlot, Jean-Eudes; Bec-Borsenberger, A.; Fienga, A.; Baron, Nicole

doi:10.1051/0004-6361:20030985

Cited by 8 publications

(16 citation statements)

References 6 publications

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“…We compared our observations to three recent ephemerides by Jacobson (2004b), Shen et al (2005), and Arlot et al (2003). First, we confirmed the high level of accuracy of the JPL ephemeris by Jacobson (2004b), giving positions with errors generally lower than 0.…”

Section: Resultssupporting

confidence: 68%

“…Therefore, both of these orbits should have a comparable accuracy. Arlot et al (2003) give standard deviations to the mean of about 0. 18 for recent observations, which should be an approximate value of the contemporary accuracy of their orbit.…”

Section: A Model For Phoebe From the Imccementioning

confidence: 99%

“…The first of these ephemerides is derived from Bec-Borsenberger & Rocher (1982). We preferred to use the second ephemeris, recently improved by Arlot et al (2003) by using much more recent observations. This ephemeris, which has already been slightly improved since its publication, is available via the IMCCE web site: http://www.…”

Section: A Model For Phoebe From the Imccementioning

confidence: 99%

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CCD astrometric observations of Phoebe in 2003–2004

Qiao

Tang

Shen³

et al. 2006

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In 2003-2004, we obtained 115 new observations of Phoebe, the 9th Saturnian faint satellite (visual magnitude of about 16.5). We used a large CCD detector (2048 × 2048 pixels) mounted on the 1.56 m astrometric reflector at the Sheshan Station, near Shanghai. In our reduction, an up-to-date catalogue of stars, UCAC2 (Zacharias et al. 2004), was chosen to ensure a proper astrometric calibration. A comparison of our observations to three recently available, high quality ephemerides, including the JPL SAT185 by Jacobson (2004b), has shown that most of our observed positions of Phoebe present an accuracy of some tens of mas, which appears to be a very high level for such a faint satellite.

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Section: Resultssupporting

confidence: 68%

Section: A Model For Phoebe From the Imccementioning

confidence: 99%

Section: A Model For Phoebe From the Imccementioning

confidence: 99%

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CCD astrometric observations of Phoebe in 2003–2004

Qiao

Tang

Shen³

et al. 2006

A&A

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“…Recent investigations of Phoebe's motion have been based on numerical integrations, beginning with the work of Rose (1979) and continuing with papers by Bec-Borsenberger (1982), Bykova & Shikhalev (1984), Jacobson (1998), and most recently, Arlot et al (2003). The most recent papers have made use of CCD observations of Phoebe which extend the time span of the data to almost a century.…”

Section: Methods Of Reduction and Perturbationmentioning

confidence: 99%

Re-determination of Phoebe's orbit

Shen¹,

Harper

Qiao³

et al. 2005

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“…The most recent papers have made use of CCD observations for the redetermination of Phoebe's orbit (Arlot et al 2003;Shen et al 2005).…”

Section: Introductionmentioning

confidence: 99%

Updated ephemeris of Phoebe, ninth satellite of Saturn

Emel'Yanov

2007

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Context. The theoretical model of natural satellite motion may need improvement each time new observations of a considerable amount are accumulated over a significant time interval. Aims. The goal of our work is to elaborate the ephemeris of Phoebe based on all ground-based observations available to date and readily accessible for any user via the Internet. Methods. Our model for the orbit of Phoebe is based on numerical integration of the equations of motion. In the theory of satellite motion, all necessary perturbations were taken into account. To produce the ephemeris of Phoebe, we used a database that contains all published ground-based observations and expands constantly as new observations appear. Results. The new ephemeris of Phoebe, based on 1606 ground-based observations made at 39 observatories in the 103 year time interval, was elaborated. The real precision of the ephemeris is limited by the observational precision and is not worse than 0.15 . The ephemeris is available at: http://www.imcce.fr/sat and http://www.sai.msu.ru/neb/nss/index.htm. The ephemeris of Phoebe will be updated as new observations become available.

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Improvement of the ephemerides of Phoebe, 9th satellite of Saturn, from new observations made from 1995 to 2000

Cited by 8 publications

References 6 publications

CCD astrometric observations of Phoebe in 2003–2004

CCD astrometric observations of Phoebe in 2003–2004

Re-determination of Phoebe's orbit

Updated ephemeris of Phoebe, ninth satellite of Saturn

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