2002 QD154 = Bi1268


Beobachtungen und Bahndaten (englisch)

Observations:
     Bi1268   C2002 08 20.47354 23 27 28.57 -08 31 11.3          19.8 R      644
     Bi1268   C2002 08 20.48400 23 27 28.25 -08 31 16.7          20.2 R      644
     Bi1268   C2002 08 20.49439 23 27 27.93 -08 31 21.8          19.7 R      644
     Bi1268   C2002 08 29.49529 23 22 16.16 -09 46 34.3          19.8 R      644
     Bi1268   C2002 08 29.50579 23 22 15.77 -09 46 39.3          19.6 R      644
     Bi1268   C2002 09 15.32684 23 10 42.09 -12 08 05.0          19.2 R      644
     Bi1268  IC2002 09 15.39524 23 10 39.11 -12 08 37.4          19.4 R      644
     Bi1268   C2002 09 15.41766 23 10 38.15 -12 08 47.9          19.7 R      644
     Bi1268   C2002 09 16.39325 23 09 57.47 -12 16 25.2          19.2 R      644
     Bi1268   C2002 09 16.41458 23 09 56.61 -12 16 34.9          19.5 R      644
     Bi1268   C2002 09 16.43487 23 09 55.73 -12 16 44.2          19.7 R      644

Station data:
(644) Palomar Mountain/NEAT (N33.35743 W116.85978).

Orbital elements:

2002 QD154

Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M 284.23039              (2000.0)            P               Q
n   0.19190099     Peri.  254.10396     +0.76449147     -0.63555250             T = 2458395.33699 JDT
a   2.9768108      Node   145.14869     +0.63970580     +0.72731714             q =     2.6490679
e   0.1100987      Incl.   10.87598     +0.07955674     +0.25900348
P   5.14           H   16.0           G   0.15           U   0
From 101 observations at 7 oppositions, 2002-2017, mean residual 0".26.
  
Residuals
20020820  644  0.2+  0.4+    20131106  703  0.1+  0.5-    20140121  F51  0.1-  0.0
20020820  644  0.5+  0.1+    20131106  703 (1.6-  1.4+)   20150119  F51  0.1+  0.1+
20020820  644  0.7+  0.0     20131106  F51  0.1-  0.1-    20150119  F51  0.0   0.2+
20020829  644  0.1-  0.2+    20131106  F51  0.1-  0.0     20150119  F51  0.1+  0.1+
20020829  644  0.2+  0.5+    20131106  F51  0.0   0.0     20150119  F51  0.1+  0.3+
20020915  644  0.0   0.4+    20131106  F51  0.0   0.0     20150121  F51  0.2+  0.0
20020915  644  0.1-  0.2+    20131127  G32  0.0   0.4-    20150121  F51  0.0   0.1+
20020915  644  0.1+  0.2+    20131127  G32  0.0   0.3-    20150121  F51  0.0   0.0
20020916  644  0.8-  0.1+    20131127  G32  0.3-  0.3-    20150121  F51  0.0   0.1+
20020916  644  0.0   0.3+    20131127  G32  0.2-  0.3-    20150129  F51  0.2+  0.0
20020916  644  0.2-  0.3+    20131128  G32  0.6+  0.1-    20150129  F51  0.2+  0.0
20070718  G96  0.1-  0.1+    20131128  G32  0.2+  0.6-    20150129  F51  0.0   0.0
20070718  G96  0.0   0.1-    20131128  926  0.7+  0.9+    20150129  F51  0.1+  0.0
20070718  G96  0.1+  0.2-    20131128  926  0.1-  0.3+    20150216  F51  0.1-  0.0
20070718  G96  0.2-  0.0     20131128  926  0.4+  0.3+    20150216  F51  0.1-  0.0
20100218  691  0.5-  0.2-    20131129  G32  0.2-  0.7+    20150216  F51  0.0   0.1-
20100218  691  0.3+  0.1+    20131129  G32  0.1-  0.2-    20150217  F51  0.0   0.1-
20100218  691  1.0-  0.2+    20131129  G32  0.3+  0.1-    20150217  F51  0.0   0.1-
20100415  G96  0.4-  0.1+    20131129  G32  0.3+  0.2-    20150217  F51  0.0   0.0
20100415  G96  0.0   0.3+    20131130  G32  0.1+  0.4+    20150311  G96  0.0   0.1-
20100415  G96  0.1-  0.2+    20131130  G32  0.3-  0.1-    20150311  G96  0.1+  0.4+
20100415  G96  0.3-  0.3+    20131130  G32  0.4+  0.1+    20150311  G96  0.1-  0.1-
20120825  G96  0.3-  0.5+    20131130  G32  0.4+  0.1+    20150311  G96  0.1-  0.1-
20120825  G96  0.0   0.2+    20131201  D29  0.1-  0.3+    20150314  F51  0.1+  0.1+
20120825  G96  0.1-  0.6+    20131201  D29  0.4-  0.2-    20150314  F51  0.1-  0.0
20120825  G96  0.3-  0.5+    20131201  D29  0.0   0.4-    20150314  F51  0.0   0.0
20121015  G96  0.2-  0.6+    20131210  F51  0.1-  0.2+    20150314  F51  0.1+  0.1+
20121015  G96  0.2-  0.0     20131210  F51  0.0   0.1+    20150315  F51  0.0   0.0
20121015  G96  0.6-  0.1-    20140121  F51  0.1-  0.0     20150315  F51  0.1+  0.1+
20121015  G96  1.0+  0.3-    20140121  F51  0.0   0.0     20150315  F51  0.0   0.0
20131106  703  0.5+  0.2-    20140121  F51  0.1-  0.0

Last observed on 2017 Aug. 24. Perturbed ephemeris below based on elements from MPEC 2017-QB4. 

Links

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Letzte Änderung: 25. August 2017 (Harald Bill)