* Astronomy

Orbital elements:
    P/1994 X1 = 2012 K7 (McNaught-Russell)
Epoch 2012 Dec. 19.0 TT = JDT 2456280.5
T 2012 Dec. 4.48060 TT                                  MPC
q   1.2799181            (2000.0)            P               Q
n   0.05399587     Peri.  171.19311     +0.86099558     -0.41122522
a   6.9325928      Node   218.01180     +0.43202256     +0.90185526
e   0.8153767      Incl.   29.07902     +0.26840849     -0.13247987
P  18.25
From 132 observations 1994 Dec. 12-2012 May 30

MPEC 2012 - K75

Comet C/2012 K7 (McNaught-Russell) was first discovered on the 12th December, 1994, and recovered on the 29th May, 2012.
The orbital elements of the comet indicate a perihelion passage was on the 4th December, 2012, at a distance of 1.28 AU from the Sun, and an orbital period of 18.25 years.