C/1999 K2 (Ferris)                                                    

Epoch 1999 Apr. 12.0 TT = JDT 2451280.5  

T 1999 Apr. 10.44530 TT                                 Nakano

q   5.2901285            (2000.0)            P               Q

z  +0.0064790      Peri.    4.56013     +0.51252145     +0.07683077

 +/-0.0000319      Node   300.31745     -0.81582863     -0.26711682

e   0.9657250      Incl.   82.18792     -0.26785332     +0.96059650

From 95 observations 1999 May 14-Aug. 22, mean residual 0".69.

   (1/a)org.= +0.006912, (1/a)fut.= +0.007099 (+/-0.000032), Q= 6.

Residuals in seconds of arc 

1999/                     990528 046  0.8-  0.8-    990716 071  0.3+  1.4+  

990514 704  1.3+  1.3-    990528 046  0.2-  0.4+    990716 071  0.0   1.4+  

990514 704  1.7+  0.8-    990530 046  0.1+  0.5+    990716 143  0.9-  0.7-  

990514 704  0.3+  0.4+    990530 046  0.9+  1.1+    990716 143  0.5+  1.0-  

990514 704 (2.1+  1.4+)   990530 046  0.9+  0.9+    990716 143  0.8+  1.8-  

990519 699  1.5-  0.9-    990530 046  0.6-  0.1-    990718 113 (0.4-  3.0+) 

990519 699  1.6-  0.6-    990530 046  0.7+  0.1-    990718 113  0.2-  0.1-  

990519 699  1.1-  0.7-    990531 402  0.8-  1.3+    990722 704  0.0   1.0+  

990520 860  0.1+  0.4-    990531 402  0.4-  0.7+    990722 704  0.1+  1.0-  

990520 860  0.1+  0.7-    990531 402  0.7-  0.7+    990722 704  0.1-  1.2-  

990520 699  0.6-  1.0-    990609 699  0.9+  0.3-    990723 402  0.0   0.3+  

990520 688  0.3+  0.4+    990609 699 (0.9+  2.1-)   990723 402  0.1+  0.1-  

990520 699  0.3-  0.1-    990609 699  0.6+  0.7-    990723 402  0.6+  0.0   

990520 699  1.0-  0.1-    990611 867  0.4+  0.5+    990802 159  0.3-  0.5-  

990520 688  0.6+  0.2+    990611 867  0.9+  0.6+    990802 159  0.7-  0.9-  

990521 704 (0.0   2.6-)   990611 867  0.7+  0.4+    990802 159  0.4-  1.0-  

990521 704  0.2+  0.9-    990614 402  0.1+  0.6+    990802 159  1.0-  0.3-  

990521 704 (2.2-  1.3-)   990614 402  0.2-  0.0     990802 159  0.5-  0.0   

990521 704  0.1+  0.8+    990614 402  0.0   0.6+    990805 159  0.8+  0.4-  

990521 327  0.3-  0.1-    990623 701  0.0   0.8-    990805 159  0.5+  0.3-  

990521 327  0.5-  0.4-    990623 701  0.1+  1.7-    990805 159  0.0   0.6+  

990521 327  0.1-  0.1-    990623 701  0.2+  1.1-    990805 159  1.9-  0.2+  

990522 046  0.0   0.6+    990706 844  0.3-  0.3+    990807 159  0.1+  0.4+  

990522 046  0.1-  0.4+    990706 844  0.1-  1.8-    990807 159  1.0+  0.6+  

990522 046  0.4+  0.4-    990706 844 (0.8+  3.9+)   990807 159  0.4+  1.3+  

990522 046  0.2+  0.3+    990708 360  0.1+  0.4+    990807 159  0.9+  0.7+  

990522 118  0.0   0.3-    990708 360  0.1+  0.2+    990807 159  0.1+  0.1+  

990522 118  0.3-  0.4-    990713 704  0.3+  0.3+    990810 557  0.0   0.0   

990522 118  0.4-  0.1-    990713 704  1.4-  0.5+    990810 557  0.1+  0.2+  

990522 693  0.1+  0.6+    990713 704  1.1-  0.8-    990810 557  0.2+  0.2+  

990522 693  0.1+  0.6+    990713 704  0.4-  0.9-    990822 113  0.7+  0.6+  

990522 693  0.1+  0.5+    990713 704  0.1-  0.2+    990822 113  0.1-  0.6-  

990523 897 (0.7+  2.6+)   990715 118 (0.7-  2.8-)   990822 113  0.5-  0.0   

990523 897  0.5-  0.8+    990715 118 (0.6-  3.7-)   990829 402 (1.1-  2.9-) 

990523 897  1.4+  1.7+    990716 071  0.2+  1.3+    

990528 046  0.4-  0.4-    990716 071  0.9+  0.6+    



NAKANO

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                (C) Copyright 2002 OAA/ComputingSection

write mail from CFAD0::NAKANO on 2002-12-16 23:29:08(JST).

 



    C/1999 K2 (Ferris) 

Epoch 1999 Apr. 12.0 TT = JDT 2451280.5  

T 1999 Apr. 10.24255 TT                                 Nakano

q   5.2894937            (2000.0)            P               Q

z  +0.0065951      Peri.    4.53718     +0.51246270     +0.07716846

 +/-0.0000600      Node   300.31491     -0.81573643     -0.26737098

e   0.9651150      Incl.   82.17943     -0.26824627     +0.96049872

From 66 observations 1999 May 19-July 23, mean residual 0".65.





    C/1999 K2 (Ferris) 

T 1999 Apr. 7.08957 TT                                  Nakano

q   5.2846331            (2000.0)            P               Q

z  +0.0071259      Peri.    4.17763     +0.51178334     +0.08129476

 +/-0.0003313      Node   300.29825     -0.81414080     -0.27198212

e   0.9623420      Incl.   82.12074     -0.27432202     +0.95886229

From 45 observations 1999 May 19-June 14.



RunOff +13", -28" for the last observation from my orbit determined 5/19-5/22.



    C/1999 K2 (Ferris) 

T 1999 Apr. 22.44979 TT                                 Nakano

q   5.3225446            (2000.0)            P               Q

                   Peri.    5.92010     +0.51530680     +0.05977746

                   Node   300.42386     -0.82134605     -0.25031789

e   1.0            Incl.   82.49631     -0.24464172     +0.96631652

From 38 observations 1999 May 19-31.

Date/        TT  R.A.(2000) Decl.     Delta   r     Daily motion  Mag.  Moon Age

              h    h  m       ¡  ,                      ,  / PA ¡  m1      ¡

1999 June 10 14  20 38.33  -04 57.3   4.657  5.335    11.9 / 311  16.6   85  .15

          11 14  20 37.73  -04 49.5   4.645  5.336    12.0 / 310  16.6   99  .08

          12 14  20 37.11  -04 41.7   4.633  5.336    12.2 / 310  16.6  114  .02

          13 14  20 36.49  -04 34.0   4.622  5.337    12.3 / 309  16.6  129  .00

          14 14  20 35.85  -04 26.3   4.611  5.337    12.4 / 308  16.6  143  .01

          15 14  20 35.20  -04 18.6   4.600  5.338    12.5 / 308  16.6  156  .05

          16 14  20 34.53  -04 10.9   4.589  5.338    12.6 / 307  16.6  165  .11

          17 14  20 33.86  -04 03.3   4.579  5.339    12.8 / 306  16.6  164  .19

          18 14  20 33.17  -03 55.8   4.569  5.340    12.9 / 306  16.6  154  .28

          19 14  20 32.47  -03 48.2   4.559  5.340    13.0 / 305  16.6  142  .38

          20 14  20 31.76  -03 40.8   4.549  5.341    13.1 / 305  16.6  130  .48

          21 14  20 31.04  -03 33.3   4.540  5.341    13.2 / 304  16.6  118  .58

          22 14  20 30.31  -03 25.9   4.531  5.342    13.3 / 303  16.6  106  .68

          23 14  20 29.57  -03 18.6   4.522  5.343    13.4 / 303  16.6   94  .76

          24 14  20 28.81  -03 11.2   4.514  5.343    13.5 / 302  16.6   82  .84

          25 14  20 28.05  -03 04.0   4.505  5.344    13.6 / 302  16.5   71  .90

          26 14  20 27.28  -02 56.8   4.497  5.345    13.7 / 301  16.5   59  .95

          27 14  20 26.50  -02 49.6   4.490  5.345    13.8 / 301  16.5   48  .98

          28 14  20 25.70  -02 42.5   4.482  5.346    13.9 / 300  16.5   37 1.00

          29 14  20 24.90  -02 35.4   4.475  5.347    14.0 / 300  16.5   26 1.00

          30 14  20 24.10  -02 28.4   4.468  5.347    14.1 / 300  16.5   18  .97

     July  1 14  20 23.28  -02 21.5   4.462  5.348    14.2 / 299  16.5   16  .93

           2 14  20 22.45  -02 14.6   4.456  5.349    14.2 / 299  16.5   23  .87

           3 14  20 21.62  -02 07.7   4.450  5.350    14.3 / 298  16.5   33  .80

           4 14  20 20.78  -02 01.0   4.444  5.350    14.4 / 298  16.5   45  .70

           5 14  20 19.93  -01 54.2   4.439  5.351    14.4 / 297  16.5   58  .60

           6 14  20 19.08  -01 47.6   4.434  5.352    14.5 / 297  16.5   71  .49

           7 14  20 18.22  -01 41.0   4.430  5.353    14.5 / 297  16.5   85  .38

           8 14  20 17.35  -01 34.5   4.425  5.353    14.6 / 296  16.5   98  .27

           9 14  20 16.48  -01 28.0   4.421  5.354    14.6 / 296  16.5  113  .17

          10 14  20 15.60  -01 21.6   4.418  5.355    14.7 / 296  16.5  127  .09

          11 14  20 14.72  -01 15.3   4.414  5.356    14.7 / 295  16.5  140  .03

          12 14  20 13.83  -01 09.0   4.411  5.357    14.7 / 295  16.5  153  .00

          13 14  20 12.94  -01 02.9   4.409  5.358    14.7 / 295  16.5  161  .00

          14 14  20 12.05  -00 56.7   4.406  5.358    14.7 / 294  16.5  160  .03

          15 14  20 11.15  -00 50.7   4.404  5.359    14.8 / 294  16.5  152  .08

          16 14  20 10.25  -00 44.7   4.403  5.360    14.8 / 294  16.5  140  .15

          17 14  20 09.35  -00 38.8   4.402  5.361    14.7 / 293  16.5  128  .23

          18 14  20 08.45  -00 33.0   4.401  5.362    14.7 / 293  16.5  116  .33

          19 14  20 07.54  -00 27.3   4.400  5.363    14.7 / 293  16.5  104  .42

          20 14  20 06.64  -00 21.6   4.400  5.364    14.7 / 292  16.5   92  .52

          21 14  20 05.73  -00 16.0   4.400  5.365    14.7 / 292  16.5   81  .61

          22 14  20 04.82  -00 10.5   4.400  5.366    14.6 / 292  16.5   69  .70

          23 14  20 03.92  -00 05.1   4.401  5.367    14.6 / 292  16.5   58  .79

          24 14  20 03.01  +00 00.3   4.402  5.368    14.6 / 291  16.5   47  .86

          25 14  20 02.11  +00 05.6   4.403  5.369    14.5 / 291  16.5   36  .92

          26 14  20 01.21  +00 10.8   4.405  5.370    14.4 / 291  16.5   27  .96

          27 14  20 00.31  +00 15.9   4.407  5.370    14.4 / 291  16.5   20  .99

          28 14  19 59.41  +00 21.0   4.410  5.371    14.3 / 290  16.5   20 1.00

          29 14  19 58.51  +00 25.9   4.413  5.373    14.2 / 290  16.5   27  .99

          30 14  19 57.62  +00 30.8   4.416  5.374    14.2 / 290  16.5   37  .95

          31 14  19 56.74  +00 35.6   4.419  5.375    14.1 / 290  16.5   49  .90

     Aug.  1 14  19 55.85  +00 40.3   4.423  5.376    14.0 / 289  16.5   61  .82





    C/1999 K2 (Ferris) 

T 1999 Oct. 30.33791 TT                                 Nakano

q   5.1631447            (2000.0)            P               Q

                   Peri.   28.05778     +0.49038291     -0.16464596

                   Node   300.67670     -0.86067370     +0.06286129

e   1.0            Incl.   84.30397     +0.13698680     +0.98434758

From 23 observations 1999 May 19-22.





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