2012 UA121 = 2001 TS262 = Bi1423


Beobachtungen und Bahndaten (englisch)

Observations:
     Bi1423   C2001 10 07.35913 00 44 43.98 +04 26 19.5          19.7 R      644
     Bi1423   C2001 10 07.38047 00 44 42.85 +04 26 17.2          19.5 R      644
     Bi1423   C2001 10 07.40176 00 44 41.65 +04 26 13.1          19.7 R      644
     Bi1423   C2001 10 08.30834 00 43 55.58 +04 24 05.4          19.6 R      644
     Bi1423   C2001 10 08.31875 00 43 55.00 +04 24 04.0          20.0 R      644
     Bi1423   C2001 10 08.32882 00 43 54.52 +04 24 02.7          19.8 R      644
     Bi1423   C2001 10 08.37530 00 43 52.08 +04 23 56.0          19.8 R      644
     Bi1423   C2001 10 08.38626 00 43 51.52 +04 23 54.0          19.8 R      644
     Bi1423   C2001 10 08.39689 00 43 50.88 +04 23 53.0          20.3 R      644
     Bi1423   C2001 10 11.36493 00 41 20.82 +04 16 58.7          19.7 R      644
     Bi1423   C2001 10 11.40740 00 41 18.65 +04 16 52.6          20.2 R      644
     Bi1423   C2001 10 17.28515 00 36 31.58 +04 03 58.5          20.1 R      644
     Bi1423   C2001 10 17.30600 00 36 30.49 +04 03 56.5          20.2 R      644
     Bi1423   C2001 10 17.32740 00 36 29.43 +04 03 53.8          20.4 R      644

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

Orbital elements: 

2012 UA121 = 2001 TS262 = Bi1423

Epoch 2016 Jan. 13.0 TT = JDT 2457400.5                 MPC
M 320.90899              (2000.0)            P               Q
n   0.18767100     Peri.  289.31723     +0.54042772     +0.84054386             T = 2457608.79542 JDT
a   3.0213749      Node    13.59170     -0.69906260     +0.47351645             q =     2.8645409
e   0.0519081      Incl.    9.24005     -0.46824071     +0.26318849
P   5.25           H   16.3           G   0.15           U   0
From 57 observations at 7 oppositions, 2001-2015, mean residual 0".34.
  
Residuals
20011007  644  0.3+  0.1+    20080101  G96  0.4-  0.1-    20121023  691  0.4-  0.1+
20011007  644  0.2+  0.8+    20080101  G96  0.1-  0.1+    20121023  691  0.6-  0.4+
20011007  644  1.1-  0.3-    20090131  G96  0.0   0.0     20121023  691  0.9-  0.3+
20011008  644  0.2-  0.2+    20090131  G96  0.1-  0.2+    20121025  G96  0.8+  0.2-
20011008  644  0.7-  0.3+    20090131  G96  0.1-  0.3+    20121025  G96  0.2+  0.6+
20011008  644  0.0   0.4+    20090131  G96  0.3+  0.0     20121025  G96  0.5+  0.0
20011008  644  0.0   0.3+    20090302  G96  0.2-  0.2+    20121025  G96  0.3-  0.3+
20011008  644  0.2+  0.1-    20090302  G96  0.2+  0.3+    20140129  G96  0.3+  0.4+
20011008  644  1.1-  0.4+    20090302  G96  0.3+  0.1+    20140129  G96  0.4-  0.4+
20011011  644  0.2+  0.4+    20090302  G96  0.3-  0.0     20140129  G96  0.0   0.1+
20011011  644  0.4+  0.2+    20110801  F51  0.1-  0.1+    20140129  G96  0.1+  0.2+
20011014  691  0.1+  0.2+    20110801  F51  0.1-  0.1+    20150319  F51  0.1+  0.1+
20011014  691  0.0   0.4+    20110801  F51  0.1-  0.1+    20150319  F51  0.1+  0.3+
20011014  691  0.2-  0.3+    20121022  F51  0.1+  0.0     20150319  F51  0.2+  0.3+
20011017  644  0.7+  0.3-    20121022  F51  0.2+  0.0     20150319  F51  0.1+  0.4+
20011017  644  0.4-  0.3+    20121022  F51  0.1+  0.1+    20150323  G96  0.0   0.3+
20011017  644  0.7-  0.2+    20121022  F51  0.1+  0.0     20150323  G96  0.2+  0.3+
20080101  G96  0.2-  0.3-    20121022  F51  0.1+  0.1-    20150323  G96  0.5+  0.3-
20080101  G96  0.2+  0.1+    20121022  F51  0.0   0.1-    20150323  G96  1.0+  0.2-

Last observed on 2015 Mar. 23. Perturbed ephemeris below based on elements from MPEC 2015-Y72. 

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Letzte Änderung: 22. Dezember 2015 (Harald Bill)