C/2015 X8 (NEOWISE)

Last updated 2019 Jan. 1

+ Orbit O-C

C/2015 X8 (NEOWISE)
From 111 observations 2015 Dec. 14-2017 Oct. 27, mean residual 0".74.

  Epoch  = 2015 Oct. 25.0 TT             JDT = 2457320.5
      T  = 2015 Oct. 23.1422072139 TT    +/- 0.0010414939      -0.0000000143
   Peri. =  20.4104804295                +/- 0.0012787693      -0.0000000170
   Node  = 191.1078463718 (2000.0)       +/- 0.0002488007       0.0000000001
   Incl. = 155.2815437787                +/- 0.0000474897       0.0000000007
      q  =   1.1903643434 AU             +/- 0.0000118584      -0.0000000002
      e  =   0.9394137728                +/- 0.0000162907      -0.0000000002
      a  =  19.6474413113 AU             +/- 0.0002690692
      n  =   0.0113173585                +/- 0.0000002325
      P  =  87.0881370168 years          +/- 0.0017889916

    C/2015 X8     NEOWISE                    *17591208.11929  1.1867146 0.9396281  19.36838 190.04150 155.37064 17591226  111 20151214 20171027 13.0 10.0 h3E2 0.7  x                          Kinoshita  P   87.15  19.6567326                 
    Earth    0.5867     17600121.0
    C/2015 X8     NEOWISE                    *18440817.62003  1.1908919 0.9391164  19.94938 190.53571 155.33495 18440822  111 20151214 20171027 13.0 10.0 h3E2 0.7  x                          Kinoshita  P   86.51  19.5601513                 
    Earth    0.2965     19290413.3
    C/2015 X8     NEOWISE                    *19290514.27384  1.1895604 0.9392789  20.41086 190.93100 155.30447 19290529  111 20151214 20171027 13.0 10.0 h3E2 0.7  x                          Kinoshita  P   86.71  19.5905611                 
    C/2015 X8     NEOWISE                     20151023.14221  1.1903643 0.9394138  20.41048 191.10785 155.28154 20151025  111 20151214 20171027 13.0 10.0 h3E2 0.7  1                          Kinoshita  P   87.09  19.6474413                 
    Earth    0.4994     21020506.5
    C/2015 X8     NEOWISE                    *21020627.53559  1.1903182 0.9392680  20.47312 191.36079 155.31396 21020611  111 20151214 20171027 13.0 10.0 h3E2 0.7  x                          Kinoshita  P   86.77  19.5995292                 
    Earth    0.3549     21870423.5
    C/2015 X8     NEOWISE                    *21870531.05520  1.1943914 0.9384190  20.74647 191.78818 155.44667 21870605  111 20151214 20171027 13.0 10.0 h3E2 0.7  x                          Kinoshita  P   85.42  19.3954686                 
    Earth    0.3357     22700422.3
    C/2015 X8     NEOWISE                    *22700527.39937  1.1992754 0.9372824  21.05030 192.14580 155.50249 22700610  111 20151214 20171027 13.0 10.0 h3E2 0.7  x                          Kinoshita  P   83.62  19.1218344                 
		
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