9 Jan
2007
9 Jan
'07
11:22 p.m.
On 09 Jan 2007, at 23:15, Chuck Hards wrote:
Daniel, I can't recall right now, but someone used to have an on-line comet ephemeris with updated info on current telescopically visible comets. I remember that it could be displayed as a 3-dimensional model, with orbits traced-out and a changeable viewpoint.
While not limited to comets, this place displays 3-d models. http://neo.jpl.nasa.gov/orbits/ pw