C/2017 E4 (Lovejoy)

Last updated 2017 Apr. 17
Discovery CBETs CBET 4373

+ Orbit O-C

C/2017 E4 (Lovejoy)
From 580 observations 2017 Mar. 9-Apr. 24, mean residual 0".72.
  Nongravitational parameters A1 =+16.89, A2 = -7.1998.

  Epoch  = 2017 May 7.0 TT               JDT = 2457880.5
      T  = 2017 Apr. 23.3036407239 TT    +/- 0.0005456295       0.0000007952
   Peri. =  87.1862985674                +/- 0.0016209982       0.0000036881
   Node  = 223.1732521733 (2000.0)       +/- 0.0006820312       0.0000026122
   Incl. =  88.1866884377                +/- 0.0003975278      -0.0000021291
      q  =   0.4935804800 AU             +/- 0.0000100268      -0.0000000444
      e  =   0.9978375645                +/- 0.0000350128       0.0000000451
     A1  =  16.8869935200                +/- 0.7335983305      -0.0040277188
     A2  =  -7.1998232894                +/- 0.8232255031       0.0046625054
    1/a  =  +0.0043811203                +/- 0.0000709364
      P  = (3448 years)
   orgi. =  +0.001097                    Q = 5
    fut. =  +0.003903

Earth       0.6059      20170330.7
[Non short periodic comets index] [Main index] inserted by FC2 system