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PostPosted: 10. February 2020, 08:43:31 AM 
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Joined: 20. January 2013, 20:03:54 PM
Posts: 689
Location: Leipzig
https://minorplanetcenter.net/mpec/K20/K20CB1.html:
Code:
    C/2020 B3 (Rankin)                                                          
Epoch 2019 Oct. 4.0 TT = JDT 2458760.5                                          
T 2019 Oct. 22.88444 TT                                 Bell                    
q   3.3555463            (2000.0)            P               Q                  
z  +0.0045064      Peri.  325.92425     -0.87698517     -0.47918215             
 +/-0.0024247      Node   185.79762     +0.48044894     -0.87568131             
e   0.9848784      Incl.   20.75545     -0.00811291     -0.05972202             
From 44 observations 2020 Jan. 25-Feb. 6, mean residual 0".5.                   
                                                                                
    C/2020 B3 (Rankin)                                                          
Epoch 2020 May 31.0 TT = JDT 2459000.5                                          
T 2019 Oct. 22.86080 TT                                 Bell                    
q   3.3555579            (2000.0)            P               Q                  
z  +0.0046259      Peri.  325.92292     -0.87696224     -0.47922451             
 +/-0.0024247      Node   185.79617     +0.48049061     -0.87566060             
e   0.9844776      Incl.   20.75765     -0.00812417     -0.05968568    
https://minorplanetcenter.net/mpec/K20/K20CB0.html:
Code:
   C/2020 B2 (Lemmon)                                                          
Epoch 2020 Feb. 1.0 TT = JDT 2458880.5                                          
T 2020 Jan. 23.56880 TT                                 Bell                    
q   2.7628491            (2000.0)            P               Q                  
z  +0.0165779      Peri.  142.75568     -0.75917716     -0.64597610             
 +/-0.0000000      Node   354.44667     +0.18501134     -0.09664960             
e   0.9541978      Incl.   55.52925     +0.62403594     -0.75721445             
From 88 observations 2020 Jan. 19-Feb. 5, mean residual 0".4.                   
                                                                                
    C/2020 B2 (Lemmon)                                                          
Epoch 2020 May 31.0 TT = JDT 2459000.5                                          
T 2020 Jan. 23.56485 TT                                 Bell                    
q   2.7628471            (2000.0)            P               Q                  
z  +0.0166138      Peri.  142.75555     -0.75917199     -0.64598054             
 +/-0.0000000      Node   354.44591     +0.18499662     -0.09660931             
e   0.9540986      Incl.   55.53160     +0.62404658     -0.7572158

_________________
Uwe Pilz, Fachgruppen Kometen und Astrophysik/Algorithmen.
Oft benutzte Instrumente: Swarovski SLC 7x50B, Fujinon 16x70 FMT-SX-2, TMB Apo 105/650, Ninja Dobson 320/1440


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