***  Rejected observations are not bad. Comet shows some nongravitational ***

***  effects (A1 = +8.6 and A2 = -2.1).                                   ***

***  But we can't solve this since comet has a large perihelion distance. ***



  90P/Gehrels 1

Epoch 2002 June 15.0 TT = JDT 2452440.5  

T 2002 June 22.96847 TT                                 Nakano

q   2.9656622            (2000.0)            P               Q

n   0.06642976     Peri.   28.19349     +0.74796646     -0.66258569

a   6.0380163      Node    13.52583     +0.57325365     +0.61521174

e   0.5088350      Incl.    9.61601     +0.33455408     +0.42719401

P  14.84

From 52 observations 1972-2001, mean residual 0".92.

Residuals in seconds of arc 

1972/                     870831 691 (2.2-  3.2-)   010916 704  0.0   0.7+  

721011 675  1.4-  2.6-    870831 691 (1.7-  3.2-)   010916 704  1.7-  1.0+  

721014 675 (1.3-  3.0-)   870920 691  1.1-  1.0-    010919 809  0.0   0.2+  

721110 675  0.7+  1.7-    870920 691  1.0-  0.2-    010919 809  0.0   0.2+  

721113 675  0.5+  2.1-    870920 691  1.2-  0.2-    011010 644  0.2-  0.3+  

721202 801  0.6-  0.4-    871016 691  0.3-  2.1+    011010 644  0.1+  0.5+  

721203 693  1.3+  0.4-    871016 691  0.0   0.1-    011010 644  0.1-  0.4+  

721203 693  1.3+  0.0     871016 691  0.3+  0.1+    011017 644  0.4-  0.3+  

721203 688 (0.9-  3.5-)   871116 691  0.1+  0.8+    011017 644  0.4-  0.8+  

721204 688 (1.0-  4.2-)   871116 691  0.3-  0.9+    011017 644  0.2+  1.6+  

721211 801  1.2-  0.0     1988/                     011116 402  0.2+  0.9-  

721213 691  1.6+  0.3-    880115 691  1.4+  1.0+    011116 402  0.5-  0.3-  

721213 691  1.8+  0.2-    880115 691  1.2+  1.1+    011116 402  0.6+  0.9+  

1973/                     880115 691  1.6+  1.2+    011120 699  0.6-  0.4+  

730101 693  0.7+  0.2-    880212 691 (3.2+  2.1+)   011120 699  0.8+  0.3-  

730101 693  0.2+  0.5-    880212 691 (3.4+  2.2+)   011120 699  1.3-  0.3+  

730103 801 (3.0-  1.7+)   880212 691 (3.4+  2.2+)   011120 699  0.5-  0.4+  

730129 691  0.4+  1.8+    880313 691 (4.9+  0.8+)   011205 704  0.2-  0.0   

730129 691  0.4+  1.6+    880313 691 (5.5+  1.4+)   011205 704  1.2+  0.2+  

730923 691(20.5+  1.1-)   2001/                     011205 704  0.6-  0.3-  

730923 691(18.8+  3.2-)   010810 809  0.3+  0.5+    011205 704  0.3+  0.4-  

1987/                     010810 809  0.4+  0.6+    011205 704  0.1+  1.5-  

870829 691  1.7-  1.6-    010810 809  0.5+  0.4+    

870829 691  2.2-  0.8-    010916 704  0.6-  0.2+    



NAKANO

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write mail from CFAD0::NAKANO on 2001-12-24 03:27:27(JST).

 





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