Comet C/2012 BJ98 (Lemmon) is at Opposition (2.600 AU) on the 1st July, 2013.
Ephemeris
Date TT R. A. (2000) Decl. Delta r Elong. Phase Mag 2013 06 30 18 40 57.5 -21 33 26 2.5931 3.6093 178.0 0.6 20.1 2013 07 01 18 40 15.7 -21 34 43 2.6003 3.6167 178.5 0.4 20.2 2013 07 02 18 39 34.2 -21 35 59 2.6078 3.6241 178.2 0.5 20.2 2013 07 03 18 38 52.9 -21 37 15 2.6155 3.6315 177.5 0.7 20.2 2013 07 04 18 38 11.9 -21 38 30 2.6236 3.6389 176.5 1.0 20.2 2013 07 05 18 37 31.2 -21 39 45 2.6319 3.6463 175.5 1.3 20.2 2013 07 06 18 36 50.9 -21 40 59 2.6405 3.6538 174.4 1.5 20.2 2013 07 07 18 36 11.0 -21 42 12 2.6494 3.6612 173.4 1.8 20.3 2013 07 08 18 35 31.5 -21 43 25 2.6586 3.6686 172.3 2.1 20.3 2013 07 09 18 34 52.5 -21 44 37 2.6681 3.6761 171.2 2.4 20.3 2013 07 10 18 34 14.0 -21 45 48 2.6778 3.6835 170.1 2.7 20.3 2013 07 11 18 33 36.0 -21 46 58 2.6878 3.6909 169.0 3.0 20.3 2013 07 12 18 32 58.7 -21 48 08 2.6981 3.6984 167.9 3.3 20.3 2013 07 13 18 32 21.9 -21 49 17 2.7087 3.7058 166.8 3.6 20.4 2013 07 14 18 31 45.7 -21 50 25 2.7195 3.7132 165.8 3.9 20.4 2013 07 15 18 31 10.3 -21 51 32 2.7307 3.7207 164.7 4.1 20.4 2013 07 16 18 30 35.5 -21 52 39 2.7421 3.7281 163.6 4.4 20.4 2013 07 17 18 30 01.4 -21 53 44 2.7537 3.7356 162.5 4.7 20.4 2013 07 18 18 29 28.1 -21 54 49 2.7657 3.7430 161.4 5.0 20.4 2013 07 19 18 28 55.5 -21 55 53 2.7778 3.7505 160.3 5.2 20.5 2013 07 20 18 28 23.7 -21 56 56 2.7903 3.7579 159.3 5.5 20.5 2013 07 21 18 27 52.8 -21 57 58 2.8030 3.7654 158.2 5.8 20.5 2013 07 22 18 27 22.6 -21 58 59 2.8160 3.7728 157.1 6.0 20.5 2013 07 23 18 26 53.3 -22 00 00 2.8292 3.7803 156.1 6.3 20.5 2013 07 24 18 26 24.9 -22 01 00 2.8427 3.7877 155.0 6.5 20.6 2013 07 25 18 25 57.3 -22 01 58 2.8564 3.7952 153.9 6.8 20.6 2013 07 26 18 25 30.6 -22 02 56 2.8704 3.8026 152.9 7.0 20.6 2013 07 27 18 25 04.9 -22 03 53 2.8846 3.8101 151.8 7.2 20.6 2013 07 28 18 24 40.0 -22 04 50 2.8990 3.8176 150.8 7.5 20.6 2013 07 29 18 24 16.1 -22 05 45 2.9137 3.8250 149.7 7.7 20.6 2013 07 30 18 23 53.1 -22 06 40 2.9286 3.8325 148.7 7.9 20.7 2013 07 31 18 23 31.1 -22 07 34 2.9438 3.8399 147.7 8.1 20.7
Comet C/2012 BJ98 (Lemmon) is at Perihelion (2.157 AU) on the 20th September, 2012.
Orbital elements: C/2012 BJ98 Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 T 2012 Sept. 20.60655 TT MPC q 2.1568788 (2000.0) P Q n 0.01396060 Peri. 72.99394 -0.95535237 +0.29299310 a 17.0817890 Node 124.02788 -0.28557775 -0.88248896 e 0.8737323 Incl. 2.63972 -0.07581027 -0.36792429 P 70.6 From 27 observations 2011 Dec. 29-2012 Mar. 1
MPEC 2012 - E14
Comet C/2012 BJ98 was discovered on the 29th December, 2011.The orbital elements of the comet indicate a perihelion passage on the 20th September, 2012, at a distance of 2.16 AU from the Sun, and an orbital period of 70.6 years
Google earth file: Comet C/2012 BJ98.kmz (18kb, kmz)