Australia's only comet-hunting telescope has just detected its 100th comet. The discovery makes the Uppsala telescope at Siding Springs in outback New South Wales the third most successful ground-based comet discovery observatory in history. But with funding cuts on the horizon, celebrations may be shortlived. Designated C/2013-J2, the new visitor is a long period comet, meaning its orbit will take at least 200 years to complete. Read more
Orbital elements:
P/2013 J2 (McNaught)
T 2013 Aug. 26.98723 TT MPC
q 2.0868486 (2000.0) P Q
n 0.11450058 Peri. 39.41152 +0.82514985 +0.50766373
a 4.2001448 Node 288.37332 -0.56142134 +0.68824029
e 0.5031484 Incl. 15.13603 -0.06272006 +0.51826909
P 8.61
From 12 observations 2013 May 8-10.
Comet P/2013 J2 (MCNAUGHT) was discovered by R. H. McNaught (Siding Spring Survey), on the 8th May, 2013. The preliminary orbital elements of the comet indicate perihelion passage on the 26th August, 2013 at a distance of approximately 2.1 AU from the Sun, and an orbital period of 8.6 years.