3D/Biela-A 

Epoch 2005 Aug. 18.0 TT = JDT 2453600.5  

T 2005 Aug. 12.63368 TT                                 Nakano

q   0.8158734            (2000.0)            P               Q

n   0.14896135     Peri.  268.40385     -0.32616919     -0.94399791

a   3.5244145      Node   200.84502     +0.91341523     -0.30115226

e   0.7685081      Incl.    8.04752     +0.24348773     -0.13481568

P   6.62

From 19 observations 1846-1852, mean residual 3".41.

Residuals in seconds of arc 

1846/                     460220 500  5.0-  3.0+    1852/                   

460115 058  1.9+  3.1+    460221 007  2.1-  0.3-    520902 034  1.7-  9.0-  

460120 000  1.3+  1.8+    460301 007  0.0   0.2+    520920 034  7.1-  8.7-  

460125 786  1.5-  1.8+    460303 500  0.1-  3.5+    520921 084  2.0+  0.1-  

460127 058  0.1+  0.8+    460311 058  0.4+  0.3+    520922 503  3.7-  6.3-  

460203 500  0.7-  0.2+    460315 786  1.3+  3.9-    520924 084  3.3-  0.4+  

460211 500  0.5-  3.0+    460319 500  4.5+  0.4-    520926 084  1.9-  6.0-  



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   3D/Biela-B 

Epoch 2006 Jan. 25.0 TT = JDT 2453760.5  

T 2006 Jan. 23.42672 TT                                 Nakano

q   0.8423901            (2000.0)            P               Q

n   0.14613635     Peri.  258.59605     -0.32028404     -0.94446924

a   3.5696904      Node   210.40211     +0.91588951     -0.28891589

e   0.7640159      Incl.    8.34619     +0.24200113     -0.15654222

P   6.74 (+/- 0.02 day)

From 26 observations 1832-1852, mean residual 2".09.

   Nongravitational parameters A1 = +1.04 +/- 0.13, A2 = +0.0331 +/- 0.0001.

Residuals in seconds of arc 

1832/                     460115 058  1.8-  2.4-    460311 058  0.9-  0.5+  

321021 075  1.8+  0.4+    460120 000  1.1-  2.3-    460315 786  2.3-  1.2+  

321027 075  3.6+  0.2+    460125 786  0.4-  2.4-    460319 500  5.0-  2.2+  

321103 075  0.6+  1.8+    460127 058  0.0   2.4-    1852/                   

321107 075  1.0-  6.3+    460203 500  0.9+  2.5-    520902 034  0.5+  0.2-  

321121 058  0.8-  3.5+    460211 500  1.7+  2.5-    520920 034  0.0   0.5-  

321128 075  3.0+  3.5+    460220 500  2.3+  2.1-    520921 084  0.1-  0.5-  

1833/                     460221 007  2.2+  2.1-    520922 503  0.3-  0.4-  

330103 051  1.5+  4.5+    460301 007  1.7+  1.4-    520924 084  0.6-  0.4-  

1846/                     460303 500  1.5+  1.0-    520926 084  0.7-  0.3-  



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   3D/Biela

Epoch 2005 Jan. 30.0 TT = JDT 2453400.5  

T 2005 Feb. 1.48239 TT                                  Nakano

q   0.7951030            (2000.0)            P               Q

n   0.15076900     Peri.  259.17466     -0.32229589     -0.94429393

a   3.4961873      Node   209.89304     +0.91234026     -0.29108514

e   0.7725800      Incl.    7.67847     +0.25250864     -0.15355263

P   6.54

From 26 observations 1826-1852, mean residual 1".70.

   From a predicted orbit (first component) on AJ 76, p1140, Table VI.



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