(274849) 2009 QO41 = Bi0817



NEAT Entdeckung Bi0817 neben der Galaxie IC 5041 am 11. August 2010.
Zeit der Aufnahme: 15. Juli 2002 um 8:43:25 UT (H. Bill)

Beobachtungen und Bahndaten (englisch)

Observations:
     Bi0817  IC2002 06 20.39801 20 55 45.98 -28 43 16.2          19.5 R      644
     Bi0817  IC2002 06 20.40844 20 55 45.97 -28 43 18.6          19.8 R      644
     Bi0817  IC2002 06 20.41885 20 55 45.86 -28 43 19.3                      644

     Bi0817 * C2002 07 15.36348 20 43 39.77 -29 41 32.0          20.5        644
     Bi0817   C2002 07 15.38456 20 43 38.54 -29 41 34.0          19.5        644
     Bi0817   C2002 07 15.40581 20 43 37.27 -29 41 36.5          19.7        644
     Bi0817   C2002 07 16.36676 20 42 44.53 -29 43 06.7          19.4 R      644
     Bi0817   C2002 07 16.38876 20 42 43.23 -29 43 08.7          19.6 R      644
     Bi0817   C2002 07 16.41465 20 42 41.69 -29 43 10.9          19.3 R      644
     Bi0817   C2002 07 27.27885 20 31 39.64 -29 49 43.6          19.0 R      644
     Bi0817   C2002 07 27.30052 20 31 38.17 -29 49 43.6          19.4 R      644
     Bi0817   C2002 07 27.32234 20 31 36.65 -29 49 42.7          19.1 R      644
     Bi0817   C2002 08 06.22644 20 21 16.93 -29 35 05.3          19.3        644
     Bi0817   C2002 08 06.29122 20 21 12.86 -29 34 55.6          19.6        644
     Bi0817   C2002 08 06.35428 20 21 08.88 -29 34 45.6          19.4        644
     Bi0817   C2002 08 11.30806 20 16 31.95 -29 19 21.8          19.3 R      644
     Bi0817   C2002 08 11.31042 20 16 31.83 -29 19 21.3          19.2 R      644
     Bi0817   C2002 08 11.36498 20 16 28.73 -29 19 09.0          19.1 R      644

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

Orbital elements:

Epoch 2011 Feb. 8.0 TT = JDT 2455600.5                  MPC
M 168.17742              (2000.0)            P               Q
n   0.28684255     Peri.  318.14123     +0.66820383     +0.74387984             T = 2455014.19429 JDT
a   2.2770558      Node   353.75268     -0.64966645     +0.57549448             q =     1.8852625
e   0.1720613      Incl.    6.38454     -0.36254262     +0.33977771    Earth MOID = 0.87574 AU
P   3.44           H   17.7           G   0.15           U   1
From 51 observations at 5 oppositions, 2002-2011, mean residual 0".34.
  
Residuals
20020715  644  0.1-  0.3+    20061120  G96  0.1+  0.1-    20090826  703 (0.8-  1.7+)
20020715  644  0.1-  0.3+    20080326  691  0.2-  0.4-    20090826  703  0.7-  1.3+
20020715  644  0.5-  0.1-    20080326  691  0.2+  0.1+    20090826  J75  0.3-  0.1-
20020716  644  0.1+  0.2+    20080326  691  0.3-  0.1-    20090826  J75  0.3+  0.3+
20020716  644  0.3+  0.2+    20080328  691  0.2+  0.2+    20090826  J75  0.4+  0.2-
20020716  644  0.3+  0.2+    20080328  691  0.3-  0.7+    20110108  G96  0.4-  0.0
20020727  644  0.2+  0.2+    20080328  691  0.1+  0.0     20110108  G96  0.1+  0.2+
20020727  644  0.2+  0.1-    20090820  J75  0.5-  0.4+    20110108  G96  0.4-  0.1+
20020727  644  0.3-  0.3+    20090820  J75  0.1-  0.1+    20110108  G96  0.7+  0.0
20020806  644  0.4-  0.0     20090821  J75  0.2+  0.5-    20110129  G96  0.1+  0.4+
20020806  644  0.2-  0.2+    20090821  J75  0.3+  0.0     20110129  G96  0.2+  0.0
20020806  644  0.3-  0.2+    20090821  J75  0.3-  0.0     20110129  G96  0.2+  0.5+
20020811  644  0.3+  0.4+    20090821  J75  0.1+  0.4-    20110129  G96  0.1+  0.0
20020811  644  0.5+  0.4+    20090825  J75  0.4-  0.2+    20110130  F51  0.1+  0.2+
20020811  644  0.2-  0.3+    20090825  J75  0.8+  0.0     20110130  F51  0.2+  0.2+
20061120  G96  0.4-  0.1+    20090826  J75  0.6+  0.5-    20110130  F51  0.3+  0.1+
20061120  G96  0.3-  0.2-    20090826  703  0.4-  0.2+
20061120  G96  0.2-  0.3-    20090826  703  0.9-  0.1+

Last observed on 2011 Jan. 30. Perturbed ephemeris below based on elements from MPO 195594.

Discovery date : 2009 08 20
Discovery site : La Sagra
Discoverer(s) : La Sagra

Further observations? None needed at this time. 

Links

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Letzte Änderung: 21. April 2011 (Harald Bill)