C/2015 ER61 ( PanSTARRS )

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Updated on July 8, 2017

Profile Discovery Date March 14, 2015 Magnitude 20.7 mag Discoverer Pan-STARRS 1 telescope (Haleakala) Pictures

Orbital Elements C/2015 ER61 (PANSTARRS) Epoch 2017 May 7.0 TT = JDT 2457880.5 T 2017 May 9.94415 TT MPCW q 1.0421120 (2000.0) P Q z +0.0025917 Peri. 68.19695 +0.54602651 +0.83282987 +/-0.0000007 Node 235.21835 -0.80368401 +0.49011505 e 0.9972992 Incl. 6.34901 -0.23653131 +0.25725794 From 784 observations 2015 Jan. 21-2017 Mar. 6, mean residual 0".4. C/2015 ER61-B (PANSTARRS) T 2017 May 9.93910 TT MPCW q 1.0440313 (2000.0) P Q Peri. 68.30205 +0.54818356 +0.83140379 Node 235.26201 -0.80240968 +0.49216631 e 1.0 Incl. 6.35068 -0.23586751 +0.25795361 From 44 observations 2017 June 11-29.

Finding Charts

Magnitudes Graph m1 = 3.0 + 5 log d + 15.0 log r [ ,-390] ( - 2016 Apr. 14) m1 = 6.5 + 5 log d + 10.0 log r [-390, ] (2016 Apr. 14 - )

The orbital elements are published on M.P.E.C. 2017-E59. The orbital elements of the fragment B are published on M.P.E.C. 2017-N28. The charts are made with StellaNavigator Ver.10 (AstroArts). The magnitudes graphs are made with Comet for Windows.