C/2015 ER61 ( PanSTARRS )

Japanese version
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Updated on April 13, 2018

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* 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  9.94359 TT                                  MPCW
q   1.0421357            (2000.0)            P               Q
z  +0.0025762      Peri.   68.19278     +0.54600662     +0.83284293
 +/-0.0000001      Node   235.22113     -0.80369408     +0.49009418
e   0.9973153      Incl.    6.34878     -0.23654299     +0.25725541
From 2617 observations 2015 Jan. 21-2018 Mar. 24, mean residual 0".6.

C/2015 ER61-B (PANSTARRS)
Epoch 2017 May 7.0 TT = JDT 2457880.5
T 2017 May  9.92133 TT                                  MPCW
q   1.0438546            (2000.0)            P               Q
z  +0.0012708      Peri.   68.28210     +0.54781018     +0.83165107
 +/-0.0000572      Node   235.25620     -0.80263026     +0.49181009
e   0.9986735      Incl.    6.35035     -0.23598448     +0.25783586
From 52 observations 2017 June 11-Dec. 17, mean residual 1".1.

* 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 - 2017 May   9)
        m1 = 6.5 + 5 log d + 15.0 log r  [   0,    ]  (2017 May   9 -             )

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The orbital elements are published on M.P.E.C. 2018-F152.
The orbital elements of the fragment B are published on M.P.E.C. 2018-B155.
The charts are made with StellaNavigator Ver.10 (AstroArts).
The magnitudes graphs are made with Comet for Windows.

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Copyright(C) Seiichi Yoshida (comet@aerith.net). All rights reserved.