Sentences with phrase «orbital elements»

Astrodynamics — It deals with the study of orbital mechanics along with the prediction of orbital elements with the help of a few given variables.

A search for faint companions using the Hubble Space Telescope found no supporting evidence for a large Jupiter or brown dwarf sized object, although the observed positions of Sirius AB — Gl 244 AB — differed from published orbital elements (Schroeder et al, 2000).

The precise orbital elements of Groombridge 34 A and B may be uncertain.

The new Sixth Catalog of Orbits of Visual Binaries provides two very old estimates of orbital elements for 41 Arae A and its companion.

«This object is currently the second-most distant known trans - Neptunian object with reported orbital elements, surpassed in distance only by the dwarf planet Eris,» the researchers wrote.

(More orbital elements are available from the Minor Electronic Circular for 2005 FY9 that was issued on July 29, 2005 and a July 17, 2008 update from astronomer Mark Buie).

Model fits for the orbits of T Tau Sa and Sb around each other and around T Tau N yield orbital elements and individual masses of the stars Sa and Sb.

[55] Others, like the Belgian astronomer D. Pourbaix (2002), have regularly refined the precision of any new published orbital elements.

Past calculations of orbital elements and system mass ratios based on astrometry (and other visual observations) and the spectral type of Star Ba (G0 - 5) indicate that HD 98230 b is not massive enough to fully account for subsystem B, and suggest the existence of a stellar companion (i.e., Bc).

[25] Furthermore, other small changes also occur with the binary star's orbital elements.

[15] From the orbital elements, the total mass of both stars is about 2.0 M ☉ [63]-- or twice that of the Sun.

«This excess of objects with unexpected orbital parameters makes us believe that some invisible forces are altering the distribution of the orbital elements of the ETNO and we consider that the most probable explanation is that other unknown planets exist beyond Neptune and Pluto,» explains Carlos de la Fuente Marcos, scientist at the UCM and co-author of the study.

Past calculations of orbital elements and system mass ratios based on astrometry — and other visual observations — and the spectral type of Star Ba (G0 - 5) indicate that Xi Ursae Majoris Bb is not massive enough to fully account for subsystem B (e.g., Wulff Dieter Heintz, 1996, page 411), and suggest the existence of a stellar companion (i.e., Bc).

These orbital elements change rapidly all the time anyway, no matter where you place the origin.

When a particular combination of the orbital elements is reached, high latitudes of the northern hemisphere begin to experience year round snow.

An Antarctic ice core record of climate published in 2004 went back 750,000 years through a previous cycle where the orbital elements had been similar to those in our own cycle.