2009 XH9


Group Floras

Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M  30.08587              (2000.0)            P               Q
n   0.29746123     Peri.   55.32236     +0.71326747     -0.70071108             T = 2455099.35786 JDT
a   2.2225377      Node   349.13096     +0.61227175     +0.63397808             q =     1.9355691
e   0.1291175      Incl.    4.84358     +0.34113460     +0.32722436    Earth MOID = 0.94890 AU
P   3.31           H   18.0           G   0.15           U   2
From 39 observations at 4 oppositions, 2002-2010, mean residual 0".50.
  
Residuals
20020912  644  0.1+  0.8+    20070320  G96  0.1+  0.0     20091217  H10  0.2-  0.2+
20020912  644  0.2+  0.8+    20070320  G96  0.1-  0.1-    20091217  H10  0.7-  0.1+
20020912  644  0.0   0.7+    20091212  H10  0.1-  0.6+    20091217  H10  0.8-  0.6-
20020914  644  0.4+  0.4-    20091212  H10  0.1-  0.1+    20091217  H10  0.4-  0.7-
20020914  644  0.1-  0.1-    20091212  H10  0.0   0.4-    20091217  H10  0.4-  0.8-
20020914  644  0.1+  0.7-    20091212  H10  0.6+  0.9+    20100105  H10  0.3+  0.1+
20020914  608  0.6-  0.2+    20091212  H10  0.5-  0.1-    20100105  H10  0.8+  0.5+
20020914  608  0.8-  0.2-    20091212  H10  0.4+  0.2+    20100105  H10  0.1+  0.2-
20040315  691  0.3-  0.1+    20091212  H10  0.3-  0.0     20100105  H10  0.9+  0.9+
20040315  691  0.3+  0.2+    20091212  H10  0.1+  0.2+    20100108  G96  0.8+  0.1-
20040315  691  0.2+  0.1+    20091213  H10  0.7-  0.3+    20100108  G96  0.9+  0.3+
20070320  G96  1.1-  0.3-    20091213  H10  1.5-  0.6-    20100108  G96  0.7+  0.1-
20070320  G96  0.3+  0.3-    20091217  H10  0.2-  0.5-    20100108  G96  0.9+  0.1+

Last observed on 2010 Jan. 8. Perturbed ephemeris below based on elements from MPEC 2010-A39. 

Further observations? None needed at this opposition. 

Next opposition: 29 Apr. 2011.

     K09X09H
Date       UT      R.A. (J2000) Decl.    Delta     r     El.    Ph.   V      Sky Motion       Uncertainty info
            h m s                                                            "/min    P.A.    3-sig/" P.A.
2010 01 09 000000 04 05 40.5 +29 16 11   1.162   1.990  136.0  20.1  20.8    0.16    185.9         0 272.0
2010 01 10 000000 04 05 39.9 +29 12 21   1.171   1.991  135.0  20.5  20.9    0.16    177.6         0 270.8
2010 01 11 000000 04 05 41.9 +29 08 36   1.179   1.992  134.0  20.8  20.9    0.16    169.1         0 090.0
2010 01 12 000000 04 05 46.4 +29 04 56   1.188   1.993  133.0  21.2  20.9    0.16    160.8         0 090.0
2010 01 13 000000 04 05 53.5 +29 01 21   1.197   1.994  132.0  21.5  20.9    0.17    152.8         0 089.1
2010 01 14 000000 04 06 03.0 +28 57 52   1.206   1.995  131.0  21.8  21.0    0.17    145.6         0 088.5
2010 01 15 000000 04 06 15.0 +28 54 28   1.216   1.996  130.1  22.2  21.0    0.18    139.1         0 088.0
2010 01 16 000000 04 06 29.5 +28 51 10   1.225   1.997  129.1  22.5  21.0    0.20    133.5         0 087.6
2010 01 17 000000 04 06 46.3 +28 47 58   1.234   1.998  128.2  22.8  21.0    0.21    128.5         0 087.2
2010 01 18 000000 04 07 05.6 +28 44 51   1.244   1.999  127.2  23.1  21.1    0.23    124.3         0 086.8
2010 01 19 000000 04 07 27.3 +28 41 51   1.254   2.000  126.3  23.4  21.1    0.24    120.6         0 086.5
2010 01 20 000000 04 07 51.3 +28 38 56   1.264   2.001  125.4  23.6  21.1    0.26    117.4         0 086.1
2010 01 21 000000 04 08 17.6 +28 36 07   1.274   2.002  124.5  23.9  21.2    0.28    114.7         0 085.9
2010 01 22 000000 04 08 46.2 +28 33 24   1.284   2.003  123.6  24.2  21.2    0.29    112.3         0 085.6
2010 01 23 000000 04 09 17.0 +28 30 46   1.294   2.004  122.7  24.4  21.2    0.31    110.2         0 085.3
2010 01 24 000000 04 09 50.0 +28 28 15   1.304   2.006  121.8  24.7  21.2    0.33    108.3         0 085.1
2010 01 25 000000 04 10 25.2 +28 25 49   1.315   2.007  120.9  24.9  21.3    0.35    106.6         0 084.8
2010 01 26 000000 04 11 02.6 +28 23 29   1.325   2.008  120.0  25.1  21.3    0.36    105.2         0 084.6
2010 01 27 000000 04 11 42.0 +28 21 14   1.336   2.009  119.2  25.3  21.3    0.38    103.9         0 084.4
2010 01 28 000000 04 12 23.5 +28 19 05   1.346   2.010  118.3  25.6  21.3    0.40    102.7         0 084.2
2010 01 29 000000 04 13 07.0 +28 17 01   1.357   2.011  117.4  25.8  21.4    0.42    101.6         0 084.1


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