Forum der Vereinigung der Sternfreunde

Erwin war beteiligt:

    CK21D020 2C2021 03 15.24695520 44 48.919+32 13 58.79         18.9 GVEF067J04
    CK21D020 2C2021 03 15.24804620 44 48.982+32 13 59.92         18.8 GVEF067J04
    CK21D020 2C2021 03 15.24914720 44 49.013+32 14 01.05         18.6 GVEF067J04
J04 ESA Optical Ground Station, Tenerife.  Observer P. Ruiz.  Measurers M.
    Micheli, R. Kresken, D. Koschny, L. Conversi, A. Knofel, M. Busch, E.
    Schwab.  1.0-m f/4.4 reflector + CCD.

Orbital elements:

    C/2021 D2 (ZTF)                                                             
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                                         
T 2022 Feb. 4.18037 TT                                  Rudenko                 
q   2.9443625            (2000.0)            P               Q                  
z  +0.0000342      Peri.  125.09167     -0.26419696     -0.52748548             
 +/-0.0003120      Node   305.69634     +0.15171543     +0.80403361             
e   0.9998994      Incl.   83.84535     +0.95246123     -0.27438845             
From 44 observations 2021 Feb. 19-Mar. 21, mean residual 0".3.                  
                                                                                
    C/2021 D2 (ZTF)                                                             
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                                         
T 2022 Feb. 4.17515 TT                                  Rudenko                 
q   2.9450975            (2000.0)            P               Q                  
z  +0.0001822      Peri.  125.07444     -0.26403472     -0.52753898             
 +/-0.0003120      Node   305.69470     +0.15147258     +0.80409869             
e   0.9994634      Incl.   83.84633     +0.95254487     -0.27409472             
From 44 observations 2021 Feb. 19-Mar. 21, mean residual 0".3.     

https://minorplanetcenter.net/mpec/K21/K21F67.html

(CBET 4948)

_________________
Uwe Pilz, Fachgruppen Kometen und Astrophysik/Algorithmen.
Oft benutzte Instrumente: Swarovski SLC 7x50B, Fujinon 16x70 FMT-SX-2, TMB Apo 105/650, Skywatcher Evostar 120/900 ED, Ninja Dobson 320/1440