Comet C/2012 S3 (PANSTARRS) is at perihelion (2.308 AU) on the 31st August, 2013.
Comet C/2012 S3 (PANSTARRS) makes its closest approach to the Earth (1.338 AU) on the 1st August, 2013.
Comet C/2012 S3 (PANSTARRS) is at Opposition (1.341 AU) on the 30th July, 2013
Ephemeris
Date TT R. A. (2000) Decl. Delta r Elong. Phase Mag 2013 07 29 20 12 11.2 -04 33 49 1.3431 2.3383 164.9 6.5 2013 07 30 20 08 52.2 -05 23 12 1.3407 2.3366 165.2 6.4 2013 07 31 20 05 32.4 -06 12 49 1.3391 2.3348 165.2 6.4 2013 08 01 20 02 11.9 -07 02 35 1.3382 2.3331 164.9 6.5 2013 08 02 19 58 51.1 -07 52 26 1.3382 2.3315 164.3 6.7 2013 08 03 19 55 30.1 -08 42 17 1.3389 2.3300 163.6 7.1 2013 08 04 19 52 09.2 -09 32 03 1.3404 2.3284 162.6 7.5 2013 08 05 19 48 48.6 -10 21 39 1.3427 2.3270 161.5 8.0 2013 08 06 19 45 28.5 -11 11 00 1.3458 2.3256 160.2 8.5 2013 08 07 19 42 09.2 -12 00 03 1.3496 2.3242 158.8 9.1 2013 08 08 19 38 51.0 -12 48 42 1.3542 2.3229 157.3 9.7 2013 08 09 19 35 33.9 -13 36 53 1.3595 2.3217 155.8 10.3 2013 08 10 19 32 18.3 -14 24 33 1.3656 2.3205 154.2 11.0
Orbital elements: C/2012 S3 (PANSTARRS) T 2013 Sept. 3.64456 TT MPC q 2.5987979 (2000.0) P Q Peri. 176.04285 +0.50994126 -0.30691366 Node 119.17937 -0.81233762 +0.13547948 e 1.0 Incl. 113.01617 -0.28296201 -0.94204528 From 62 observations 2012 Sept. 27-Oct. 2.
MPEC 2012 - T03
Comet C/2012 S3 (PANSTARRS) was discovered on the 27th September 2012 by the Pan-STARRS 1 telescope.The preliminary orbital elements of the comet indicate a perihelion passage on the 3rd September, 2013.