C/2015 ER61 (PANSTARRS)
Epoch 2017 May 7.0 TT = JDT 2457880.5
T 2017 May 9.94399 TT MPCW
q 1.0421312 (2000.0) P Q
z +0.0026203 Peri. 68.19306 +0.54600849 +0.83284175
Node 235.22098 -0.80369295 +0.49009610
e 0.9972693 Incl. 6.34876 -0.23654254 +0.25725559
From 2750 observations 2015 Jan. 21-2018 Dec. 12, mean residual 0".6.
Nongravitational parameters A1 = +0.68, A2 = -0.3015.
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, 0] (2016 Apr. 14 - 2017 May 9)
m1 = 6.5 + 5 log d + 15.0 log r [ 0, 150] (2017 May 9 - 2017 Oct. 6)
m1 = 8.5 + 5 log d + 10.0 log r [ 150, ] (2017 Oct. 6 - )
The orbital elements are published on M.P.E.C. 2019-J142.
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.
Copyright(C) Seiichi Yoshida (comet@aerith.net). All rights reserved.