2017 October 15, 21:44:45 UT


Orbit-1
Orbital elements:
    C/2017 S6 (Catalina)
T 2018 Feb. 27.05378 TT                                 Sato
q   1.5433338            (2000.0)            P               Q
                   Peri.  134.67510     +0.93835567     -0.00807119
                   Node   130.84425     -0.23763693     -0.74108182
e   1.0            Incl.  152.81814     +0.25103253     -0.67136621
From 59 observations 2017 Sept. 30-Oct. 7, mean residual 0".56.
Residuals in seconds of arc
170930 703  0.2-  0.5+   171001 A71  0.4-  0.5-   171003 G96  0.2-  0.8-  
170930 703  0.2+  0.2-   171001 118  0.5-  0.2+   171003 G96  0.0   0.7-  
170930 703  0.5-  1.2-   171001 118  0.3-  1.0+   171003 G96  0.3+  0.4-  
170930 703  0.1+  1.2-   171001 A71  0.5-  0.3+   171003 G96  0.4-  0.4-  
170930 703  0.4+  0.7-   171001 926  0.4+  0.6+   171006 850  0.2+  0.5-  
170930 703  0.8-  0.4-   171001 926  0.0   0.0    171006 850  0.3+  0.4-  
170930 703  0.6-  0.6-   171001 926  0.5+  0.1-   171006 850  0.3+  0.2-  
170930 703  0.2-  1.1-   171001 U69  0.1+  0.3+   171006 850  1.0-  0.0   
170930 703  0.7+  0.6-   171001 U69  0.3+  0.6+   171006 926  0.5-  1.1+  
170930 703  0.5+  0.9-   171001 U69  0.4+  0.6+   171006 926  0.3+  0.8+  
170930 703  0.4-  0.2+   171002 K88  0.3-  0.3+   171006 926  0.3-  0.5+  
170930 703  0.1+  1.2+   171002 K88  0.0   0.4+   171006 595  0.7+  0.7-  
170930 900  0.7+  0.2+   171002 K88  0.2+  0.4+   171006 595  0.1+  1.1-  
170930 900  0.0   0.7+   171002 K88  0.5-  0.4+   171007 H01  0.3+  0.1+  
171001 K88  0.3+  0.1+   171002 G96  0.4+  1.3+   171007 H01  0.1+  0.2+  
171001 K88  0.6+  0.8+   171002 G96  0.2+  0.2-   171007 H01  0.3+  0.0   
171001 K88  0.0   1.0+   171002 G96  0.4-  0.7-   171007 H01  0.0   0.4+  
171001 K88  0.1+  0.4+   171002 G96  1.1-  0.0    171007 926  0.1+  0.3-  
171001 A71  0.3-  0.4-   171002 Z80 (2.4+  2.1-)  171007 926  0.8-  0.4+  
171001 118  0.5-  0.6+   171002 Z80  2.0+  1.0-   171007 926  0.6-  0.1+  


Orbit-2
Orbital elements:
    C/2017 S6 (Catalina)
T 2018 Feb. 27.69747 TT                                 Sato
q   1.5403404            (2000.0)            P               Q
z  +0.0067372      Peri.  135.01416     +0.93842240     -0.01335374
                   Node   130.86573     -0.24154162     -0.73982113
e   0.9896224      Incl.  152.83799     +0.24702437     -0.67267107
From 59 observations 2017 Sept. 30-Oct. 7, mean residual 0".56.
Residuals in seconds of arc
170930 703  0.2-  0.5+   171001 A71  0.4-  0.5-   171003 G96  0.3-  0.9-  
170930 703  0.2+  0.2-   171001 118  0.5-  0.2+   171003 G96  0.1-  0.8-  
170930 703  0.4-  1.2-   171001 118  0.3-  1.0+   171003 G96  0.2+  0.4-  
170930 703  0.1+  1.2-   171001 A71  0.5-  0.3+   171003 G96  0.4-  0.4-  
170930 703  0.4+  0.7-   171001 926  0.4+  0.6+   171006 850  0.2+  0.5-  
170930 703  0.7-  0.4-   171001 926  0.0   0.0    171006 850  0.3+  0.5-  
170930 703  0.5-  0.6-   171001 926  0.4+  0.1-   171006 850  0.3+  0.2-  
170930 703  0.2-  1.1-   171001 U69  0.1+  0.3+   171006 850  1.0-  0.0   
170930 703  0.7+  0.5-   171001 U69  0.3+  0.6+   171006 926  0.5-  1.1+  
170930 703  0.5+  0.9-   171001 U69  0.4+  0.6+   171006 926  0.3+  0.8+  
170930 703  0.4-  0.2+   171002 K88  0.3-  0.3+   171006 926  0.3-  0.4+  
170930 703  0.1+  1.2+   171002 K88  0.0   0.4+   171006 595  0.7+  0.7-  
170930 900  0.8+  0.2+   171002 K88  0.2+  0.4+   171006 595  0.2+  1.1-  
170930 900  0.1+  0.7+   171002 K88  0.5-  0.3+   171007 H01  0.3+  0.2+  
171001 K88  0.3+  0.1+   171002 G96  0.3+  1.2+   171007 H01  0.1+  0.3+  
171001 K88  0.6+  0.8+   171002 G96  0.2+  0.2-   171007 H01  0.4+  0.0   
171001 K88  0.0   1.0+   171002 G96  0.5-  0.7-   171007 H01  0.0   0.4+  
171001 K88  0.1+  0.4+   171002 G96  1.2-  0.1-   171007 926  0.2+  0.2-  
171001 A71  0.3-  0.4-   171002 Z80 (2.4+  2.2-)  171007 926  0.7-  0.4+  
171001 118  0.5-  0.6+   171002 Z80  1.9+  1.1-   171007 926  0.5-  0.1+  
--