393P/2009 SK280 (Spacewatch-Hill)
Epoch 2019 Oct. 4.0 TT = JDT 2458760.5
T 2019 Oct. 23.03499 TT                                 Kinoshita
q   4.2085281            (2000.0)            P               Q
n   0.0942787      Peri.  327.92571     +0.98367370     -0.05428200
a   4.7810895      Node    36.41858     +0.14727597     +0.79073505
e   0.1197554      Incl.   16.79870     -0.10342074     +0.60974712
P  10.45
From 101 observations 2009 Sept. 17-2019 Oct. 31, mean residual 0".51.
Residuals in seconds of arc 
K09917 691  0.4-  0.0     K09A19 B01  0.6-  0.0     K09C14 A77  1.3+  0.0     
K09917 691  0.7-  0.2+    K09A19 B01  0.9+  0.6-    K10A18 H36 (2.3-  0.7+)   
K09917 691  0.5-  0.1-    K09A19 B01  0.0   0.8+    K10A18 H36  1.4-  0.7+    
K09925 691 (2.1-  0.8-)   K09A19 H06  0.8-  0.0     K10A18 H36  0.5+  0.2-    
K09925 691  0.7-  0.2+    K09A19 H06  0.2-  0.7-    K10A20 H36  0.7-  0.0     
K09925 691  0.8-  0.3+    K09A19 215  0.0   0.6-    K10A20 H36  0.1-  0.4-    
K09929 691  0.8-  0.1-    K09A24 G96  0.6-  0.2-    K10A20 H36 (0.7+  2.2-)   
K09929 691 (2.1-  0.7-)   K09A24 G96  0.4-  0.1+    K10C08 G96  0.7+  0.2-    
K09929 691  0.8-  0.1+    K09A24 G96  0.8-  0.8-    K10C08 G96  0.5+  0.1+    
K09A15 G96  0.3-  0.0     K09A24 G96  0.0   0.4-    K10C08 G96  1.3+  0.3-    
K09A15 G96  0.6-  0.7-    K09A25 130  0.0   0.5-    K10C08 G96  0.7+  0.1+    
K09A15 G96  0.4-  0.4-    K09A25 130  0.7+  0.1-    K11C23 950  0.1-  0.2+    
K09A15 G96  0.6-  0.1-    K09B09 204  0.0   0.2+    K11C23 950  0.4-  0.0     
K09A15 G96  0.4-  0.3+    K09B09 204  0.0   0.1-    K11C23 950  0.0   0.1+    
K09A15 G96  0.4-  0.0     K09B11 H06 (1.0+  2.1+)   K11C23 950  0.1-  0.1+    
K09A15 G96  0.3-  0.2+    K09B11 H06  0.9+  1.2+    K11C23 950  0.1-  0.1+    
K09A15 G96  0.5-  0.3+    K09B11 H06  1.0+  0.3-    K11C23 950  0.2-  0.0     
K09A15 B86  0.4-  0.0     K09B11 A77  0.7-  1.5-    K11C23 950  0.3+  0.0     
K09A15 B86  0.8-  0.4+    K09B11 A77  0.6+  0.5+    K18A08 Q62  0.3+  0.1+    
K09A16 291  0.5-  0.2+    K09B16 G96  0.5+  0.1-    K18A08 Q62  0.1-  0.1-    
K09A16 291  0.9-  0.3+    K09B16 G96  0.9+  0.1+    K19923 Q62  0.3+  0.1+    
K09A16 G96  0.3+  0.3+    K09B16 G96  0.3+  0.3-    K19923 Q62  0.3-  0.5-    
K09A16 291  0.6-  0.7+    K09B16 G96  0.1+  0.1+    K19924 807  0.0   0.3-    
K09A16 G96  1.0-  0.2-    K09B18 215 (2.0+  1.4+)   K19926 807  0.8+  0.4-    
K09A16 G96  0.4-  0.1+    K09B21 349  1.1+  0.1+    K19A03 G96  0.2-  0.4-    
K09A16 G96  0.3+  0.4+    K09B21 349  1.9+  0.7+    K19A03 G96  0.7-  0.2-    
K09A16 H01  0.1-  0.5+    K09B26 G96  0.7+  0.1-    K19A03 G96  0.4-  0.3-    
K09A16 H01  0.0   0.5+    K09B26 G96  0.3-  0.2-    K19A03 G96  0.3-  0.0     
K09A16 H01  0.1+  0.6+    K09B26 G96  0.1+  0.2-    K19A05 F51  0.2+  0.1+    
K09A16 H01  0.1+  0.5+    K09B26 G96  0.7+  0.3+    K19A05 F51  0.0   0.1-    
K09A16 926  0.1+  0.6+    K09B26 G96  0.5+  0.4+    K19A05 F51  0.3+  0.1+    
K09A16 926  0.2-  0.4-    K09C10 A77  0.3-  0.0     K19A05 F51  0.1+  0.2+    
K09A16 H10  0.5-  0.1+    K09C10 A77  0.9+  0.3-    K19A31 G96  0.4+  0.1-    
K09A16 H10  0.0   0.2+    K09C11 A77 (1.3+  2.3-)   K19A31 G96  0.9+  0.3-    
K09A17 204  0.0   0.4-    K09C14 A77  1.6+  0.3+    K19A31 G96  0.4+  0.0     
K09A18 204  0.4-  0.3+    K09C14 A77  1.0+  0.3+    K19A31 G96  0.4+  0.7-    
inserted by FC2 system