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22P/Kopff

2009

The following orbital elements are taken from MPC 56803:

Epoch 2009 May 9.0 TT = JDT 2454960.5
T 2009 May 25.4020 TT                                   MPC
q   1.577587             (2000.0)            P               Q
n   0.1529943      Peri.  162.8161      +0.2379474      +0.9687039
a   3.462203       Node   120.8985      -0.9005287      +0.2472897
e   0.544340       Incl.    4.7239      -0.3639081      +0.0214590
P   6.44
From 723 observations 1990-2003, mean residual 0".9.  Nongravitational
     parameters A1 = +0.04, A2 = -0.1073.

Stars in the coma are removed

zoom x2 false color

022P (Kopff)

2008-12-28.22 Newton 0.50-m F/3+CCD KAI 11k
pixel size		2.424
comp star : usno(r) mag = 13.5 15h12m41.0s \| -14°00'23.4''
		dia
pixel radius	magnitude	arc-sec.
3	15.2	14.544
6	14.46	29.088
12	13.77	58.176
18	13.28	87.264
20	13.16	96.96
22	13.12	106.656
24	13.11	116.352
26	12.83	126.048

magnitude m1 = 13.1 around 2' diameter.

2009-06-30.09 Blue filter (astronomik) air mass = 1.95 zoom = 50% zoom 1
2009-06-30.04 Red filter (astronomik) air mass = 2.47 zoom = 50% zoom 1
2009-07-03.08 Red filter (astronomik) air mass = 1.90 zoom = 50%
2009-07-24.12; Exposure = 15x120sec. Trail is 1°20' long on the picture. Nucleus = 13.8 (dia.20") PA= 253°. > False color . > Hi-contrast.
2009-08-15.97 18x120sec. FOV= 72'x33' Mag. = 13.4 (dia = 20") Trail is 1°20' long on the picture in PA 230° full size
2009-09-13.88 18x120sec.
2009-09-17.89 15x120s. full size Le cercle rond blanc montre l'astéroïde K09R06C (mag. 19) Découvert sur les images du 13 et confirmé sur celles du 17. Un autre astéroïde à été découvert sur les images de 22P du 13 et confirmé sur celles du 17 : K09R06B.