Forum der Vereinigung der Sternfreunde

COMET P/2021 R4 (Wierzchos)

A71 2021-09-08 M. Jaeger 17" 18x180s

A71 Stixendorf. Observers M. Jaeger, E. Prosperi, S. Prosperi. Measurer M.
Jaeger. 0.3-m f/4.0 reflector + CCD, 0.30-m f/4.0 reflector + CCD.


Orbital elements:
P/2021 R4 (Wierzchos)
Epoch 2021 Nov. 2.0 TT = JDT 2459520.5
T 2021 Oct. 13.66695 TT Rudenko
q 2.3257674 (2000.0) P Q
n 0.07408230 Peri. 56.54371 +0.91737973 -0.32853147
a 5.6146983 Node 321.24667 +0.12142642 +0.76861148
e 0.5857716 Incl. 21.03469 +0.37903833 +0.54891116
P 13.3
From 33 observations 2021 Sept. 4-11, mean residual 0".4.

P/2021 R4 (Wierzchos)
Epoch 2035 Feb. 2.0 TT = JDT 2464360.5
T 2035 Jan. 30.04466 TT Rudenko
q 2.3382156 (2000.0) P Q
n 0.07338443 Peri. 56.39479 +0.91930349 -0.32297202
a 5.6502383 Node 321.05944 +0.11731163 +0.77032142
e 0.5861740 Incl. 20.96475 +0.37565820 +0.54981268
P 13.4
From 33 observations 2021 Sept. 4-11, mean residual 0".4.

P/2021 R4 (Wierzchos)
Epoch 2021 July 5.0 TT = JDT 2459400.5
T 2021 Oct. 13.64694 TT Rudenko
q 2.3257600 (2000.0) P Q
n 0.07398574 Peri. 56.53767 +0.91740683 -0.32845607
a 5.6195821 Node 321.24791 +0.12135866 +0.76861438
e 0.5861329 Incl. 21.03524 +0.37899443 +0.54895222
P 13.3
From 33 observations 2021 Sept. 4-11, mean residual 0".4.

MPEC 2021-R256 (2021 September 11)

_________________
Michael Möller (MMI)

auch cbet 5034
21 mag m 6. September.

_________________
Uwe Pilz, Fachgruppen Kometen und Astrophysik/Algorithmen.
Oft benutzte Instrumente: Fujinon 16x70 FMT-SX-2, TMB Apo 105/650, Skywatcher Evostar 120/900 ED, Ninja Dobson 320/1440, Smartscope Dwarf-3