2002 QB154 = Bi1252


Beobachtungen und Bahndaten (englisch)

Observations:
     Bi1252   C2002 08 17.42608 22 20 42.61 -06 42 23.4          19.5 R      644
     Bi1252   C2002 08 17.44016 22 20 41.91 -06 42 24.4          19.5 R      644
     Bi1252   C2002 08 17.45293 22 20 41.26 -06 42 26.0          19.5 R      644
     Bi1252   C2002 08 28.20314 22 11 34.02 -07 04 18.3          19.4 R      644
     Bi1252   C2002 08 28.26538 22 11 30.73 -07 04 26.7          19.7 R      644
     Bi1252   C2002 08 28.33057 22 11 27.28 -07 04 35.4          19.7 R      644
     Bi1252   C2002 09 14.19317 21 58 06.84 -07 41 19.5          19.9 R      644
     Bi1252   C2002 09 14.21426 21 58 06.00 -07 41 22.4          20.0 R      644
     Bi1252   C2002 09 14.23543 21 58 05.04 -07 41 24.8          19.8 R      644

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

Orbital elements:

2002 QB154

Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M 305.67969              (2000.0)            P               Q
n   0.19726531     Peri.   80.36805     +0.81569986     -0.57039835             T = 2458275.86675 JDT
a   2.9225968      Node   314.33394     +0.46375579     +0.74434361             q =     2.7313721
e   0.0654297      Incl.    7.73981     +0.34578073     +0.34727268
P   5.00           H   16.0           G   0.15           U   0
From 65 observations at 7 oppositions, 2002-2017, mean residual 0".23.
  
Residuals
20020817  644  0.2-  0.0     20100312  703  0.1-  0.2-    20131225  F51  0.1-  0.1+
20020817  644  0.1+  0.5+    20100312  703  0.4+  0.2-    20150119  F51  0.0   0.2+
20020817  644  0.1+  0.3+    20100312  703  0.9+  0.7-    20150119  F51  0.0   0.2+
20020828  644  0.2+  0.2+    20120813  F51  0.2-  0.2+    20150119  F51  0.0   0.1+
20020828  644  0.1+  0.2+    20120813  F51  0.1-  0.1+    20150119  F51  0.0   0.1+
20020828  644  0.1+  0.1+    20120813  F51  0.0   0.2+    20150314  F51  0.0   0.1-
20020914  644  0.5-  0.3+    20120813  F51  0.1-  0.1+    20150314  F51  0.1+  0.1-
20020914  644  0.4+  0.1-    20131205  F51  0.1+  0.0     20150314  F51  0.2+  0.0
20020914  644  0.4-  0.0     20131205  F51  0.0   0.1-    20150315  F51  0.2+  0.0
20070913  947  0.0   0.2-    20131211  G96  0.0   0.0     20150315  F51  0.1+  0.1+
20070913  947  0.2-  0.7-    20131211  G96  0.1+  0.2-    20150320  F51  0.0   0.0
20070913  947  0.7+  0.6-    20131211  G96  0.1-  0.0     20150320  F51  0.0   0.2+
20100217  691  0.5-  0.3+    20131211  G96  0.0   0.0     20150320  F51  0.1-  0.0
20100217  691  0.1-  0.0     20131225  F51  0.0   0.1+    20150320  F51  0.0   0.0
20100217  691  0.3-  0.0     20131225  F51  0.0   0.0
20100312  703  0.4-  0.9+    20131225  F51  0.0   0.1+

Last observed on 2017 Sept. 13. Perturbed ephemeris below based on elements from MPEC 2017-R58. 

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Letzte Änderung: 16. September 2017 (Harald Bill)