The orbits of the Uranian satellites and rings, the gravity field of the Uranian system, and the orientation of the pole of Uranus

RA Jacobson - The Astronomical Journal, 2014 - iopscience.iop.org
French et al. determined the orbits of the Uranian rings, the orientation of the pole of Uranus,
and the gravity harmonics of Uranus from Earth-based and Voyager ring occultations …

Keck Laser Guide Star Adaptive Optics Monitoring of 2MASS J15344984–2952274AB: First Dynamical Mass Determination of a Binary T Dwarf

MC Liu, TJ Dupuy, MJ Ireland - The Astrophysical Journal, 2008 - iopscience.iop.org
We present multiepoch imaging of the T5. 0+ T5. 5 binary 2MASS J15344984–2952274AB
obtained with the Keck laser guide star adaptive optics system. Combined with archival HST …

The natural satellites ephemerides facility MULTI-SAT

NV Emel'yanov, JE Arlot - Astronomy & Astrophysics, 2008 - aanda.org
Context. There is a need in some research facilities for deriving ephemerides, controlling
observations, verifying various models of motion, and calculating the coordinates in space of …

The Orbits of Uranus, Its Satellites and Rings, the Gravity Field of the Uranian System, and the Orientation of the Poles of Uranus and Its Satellites

RA Jacobson, RS Park - The Astronomical Journal, 2025 - iopscience.iop.org
RA Jacobson determined the orbits of the Uranian satellites, the masses of Uranus and its
satellites, and the orientation of the pole of Uranus from Earth-based astrometry, Earth …

The orbits of the inner Uranian satellites from Hubble Space Telescope and Voyager 2 observations

RA Jacobson - The Astronomical Journal, 1998 - iopscience.iop.org
This article presents revised orbital elements for the 10 small Uranian satellites discovered
by the Voyager 2 spacecraft. The elements have been determined from a fit to astrometric …

CCD positions determined in the international celestial reference frame for the outer planets and many of their satellites in 1995-1999

RC Stone, FH Harris - The Astronomical Journal, 2000 - iopscience.iop.org
This paper presents 1155 accurate equatorial positions for the outer planets Uranus,
Neptune, and Pluto and 17 satellites of Jupiter–Neptune. Additional positions for Jupiter …

Weighing Uranus' Moon Cressida with the η Ring

RO Chancia, MM Hedman… - The Astronomical Journal, 2017 - iopscience.iop.org
The η ring is one of the narrow rings of Uranus, consisting of a dense core that is 1–2 km
wide and a diffuse outer sheet spanning about 40 km. Its dense core lies just exterior to the …

Jovian satellite positions from Hubble Space Telescope images

A Mallama, HM Aelion, CA Mallama - Icarus, 2004 - Elsevier
An accurate technique has been developed for measuring planetocentric positions of
Jupiter's satellites from Wide Field/Planetary Camera images. Our method of finding the …

First ground-based astrometric observations of Puck

P Descamps, F Marchis, J Berthier, R Prangé… - Comptes Rendus …, 2002 - Elsevier
The ten small inner moons of Uranus, discovered in 1986, have so far only been studied
from space (Voyager 2, HST). The orbital elements derived from the observations indicate …

Construction of theories of motion, ephemerides, and databases for natural satellites of planets

NV Emelyanov, JE Arlot, MI Varfolomeev… - Cosmic Research, 2006 - Springer
A knowledge base for natural satellites of planets is created. On the basis of observations,
new numerical models of motion are constructed for all 96 outer satellites of Jupiter, Saturn …