February 22, 2013�A15:00:02 UT

Orbital elements:
    C/2013 C2 (Tenagra)
T 2010 July 21.27557 TT                                 Sato
q   8.5665148            (2000.0)            P               Q
n   0.00993597     Peri.  225.33212     -0.38004117     -0.85980827
a  21.4287066      Node   249.85954     +0.91763205     -0.30411896
e   0.6002318      Incl.   21.29913     +0.11627607     -0.41017239
P  99.20
From 55 observations 2013 Feb. 14-20, mean residual 0".47.
Residuals in seconds of arc
130214 926  0.5-  0.9+   130215 926  0.2-  0.0    130217 926  0.0   0.7+  
130214 926  0.6+  0.0    130215 926  0.6+  0.3-   130217 448  0.3+  0.0   
130214 926  0.0   0.3-   130215 926  0.2+  0.4-   130217 448  0.4+  0.1-  
130214 B74  0.2-  0.0    130215 H06  0.7+  0.3-   130217 926  0.1+  0.1+  
130214 B74  0.4-  0.0    130215 H06  0.0   0.3-   130217 850  1.3-  1.8+  
130214 J95  0.4-  0.1+   130215 D90  0.1+  0.1+   130217 926  0.9+  0.1-  
130214 B74  0.4-  0.0    130215 D90  0.0   0.0    130217 850  0.6-  0.7+  
130215 J95  0.1-  0.5+   130215 D90  0.0   0.1+   130217 850  0.2+  0.1-  
130215 B74  0.3-  0.0    130216 291  0.1+  0.3-   130217 E23  1.1-  1.2-  
130215 W85  0.1+  0.1-   130216 291  0.5+  0.2+   130217 E23  0.2-  0.4-  
130215 W85  0.0   0.2-   130216 H06  0.2-  0.1-   130217 E23  0.8+  0.1+  
130215 W85  0.2+  0.2-   130216 H06  1.5-  0.5-   130217 E23  0.6-  0.4-  
130215 W85  0.1+  0.2-   130216 H06  0.1+  0.0    130217 E23  0.8-  0.1-  
130215 W85  0.1+  0.1-   130216 926  0.6-  0.3+   130218 C10  0.6+  0.1+  
130215 W85  0.1+  0.1-   130216 926  0.3-  0.4-   130218 C10  0.2+  0.1-  
130215 926  0.1-  0.4+   130216 I93  0.0   0.7+   130220 Q62  0.1-  0.1+  
130215 W85  0.1+  0.2-   130216 I93  0.3+  0.1-   130220 Q62  0.1+  0.1-  
130215 926  0.2+  0.1-   130217 I93  0.4+  0.5-  
130215 926  0.4+  0.4+   130217 448  1.4+  0.1+  


February 19, 2013�A12:30:26 UT

Orbit-1
Orbital elements:
    C/2013 C2 (Tenagra)
T 2013 July 12.79971 TT                                 Sato
q   8.2733348            (2000.0)            P               Q
n   0.00237063     Peri.  282.60521     -0.91327933     -0.25032184
a  55.7048812      Node   243.66652     +0.33051123     -0.91649085
e   0.8514792      Incl.   21.01106     -0.23808234     -0.31206328
P 415.76
From 53 observations 2013 Feb. 14-18, mean residual 0".52.


Orbit-2
Orbital elements:
    C/2013 C2 (Tenagra)
T 2012 Apr. 9.09849 TT                                  Sato
q   8.2190355            (2000.0)            P               Q
n   0.00191067     Peri.  255.00255     -0.71340548     -0.62023506
a  64.3198526      Node   245.51242     +0.69670107     -0.67775210
e   0.8722162      Incl.   20.99982     -0.07523457     -0.39491843
P 515.84
From 53 observations 2013 Feb. 14-18, mean residual 0".50.
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