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  • MPEC 2005-G50 : 2002 BA1

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    M.P.E.C. 2005-G50                                Issued 2005 Apr. 7, 19:56 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets and routine data on comets.  They are published
       on behalf of Commission 20 of the International Astronomical Union by the
              Minor Planet Center, Smithsonian Astrophysical Observatory,
                              Cambridge, MA 02138, U.S.A.
    
                      Supported in part by the Brinson Foundation
                 Prepared using the Tamkin Foundation Computer Network
    
                                  MPC@CFA.HARVARD.EDU
              URL http://cfa-www.harvard.edu/iau/mpc.html  ISSN 1523-6714
    
                                       2002 BA1
    
                               Revision to MPEC 2002-B26
    
    Additional Observations:
         K02B01A 1C2005 04 06.69566 16 45 53.71 -10 29 29.7          20.6 R EG050413
         K02B01A 1C2005 04 06.71984 16 45 55.38 -10 29 34.5          20.9 R EG050413
         K02B01A 1C2005 04 07.67459 16 47 10.78 -10 32 45.1          20.6 R EG050413
         K02B01A 1C2005 04 07.68986 16 47 11.76 -10 32 48.1          20.8 R EG050413
    
    Observer details:
    413 Siding Spring.  Observer R. H. McNaught.  1.0-m f/8 reflector + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    050406 413 0.14+ 0.06-    050407 413 0.14+ 0.06-    MPO 62386   -0.061 day
    
    Orbital elements:
    2002 BA1
    Epoch 2005 Jan. 30.0 TT = JDT 2453400.5                 MPC
    M 348.25323              (2000.0)            P               Q
    n   0.33245361     Peri.   58.06367     -0.99780610     -0.05224944
    a   2.0637101      Node   118.91263     +0.03312398     -0.92572443
    e   0.4556709      Incl.    2.66211     +0.05732175     -0.37457213
    P   2.96           H   21.5           G   0.15           U   1
    Residuals in seconds of arc
    020112 644  0.1-  0.3-    020213 704  0.1+  0.6+    020306 649  0.6-  0.3+
    020112 644  0.7-  0.1-    020213 704  0.7+  1.3+    020307 113  0.0   0.4-
    020112 644  0.0   0.6+    020214 704  1.1-  0.0     020307 113  0.8+  0.1-
    020118 644  0.4+  0.1-    020214 704  0.5-  0.8+    020307 113  1.2+  0.0
    020120 691  0.0   0.1+    020214 704  0.8-  1.1+    020309 699  0.2-  0.3+
    020120 691  0.2-  0.4+    020214 704  0.3-  0.6+    020309 699  0.3-  0.2+
    020120 691  0.3+  0.6+    020214 711  0.3-  0.1-    020309 699  0.1-  0.2+
    020121 649  0.2-  0.7-    020214 711 (0.4+  2.1+)   020309 699  0.2+  0.1-
    020121 649  0.0   0.9-    020214 711  0.1+  0.3+    020312 333  0.5+  0.9-
    020121 649  0.1-  1.1-    020214 644  0.3-  0.2+    020312 333  0.3-  0.1-
    020121 691  0.3-  0.1+    020214 644  0.2-  0.2+    020312 333  1.3-  0.8-
    020121 691  0.1-  0.2-    020214 644  0.3-  0.1+    020315 333  0.3-  0.2-
    020121 691  0.2-  0.4-    020215 704  0.2+  0.5+    020315 333  0.2-  0.8-
    020122 649  0.2-  0.6-    020215 704  0.2+  0.1+    020315 333  0.5-  0.6-
    020122 649  0.3-  1.1-    020215 704  0.1-  0.5+    020315 333  0.2+  0.2-
    020122 649  0.0   1.0-    020215 704  0.2+  0.8+    020315 333  1.1-  0.5-
    020122 691  0.2+  0.1+    020215 704  0.0   0.4+    020315 333  1.1+  0.5+
    020122 691  0.1-  0.3-    020215 711  0.2+  0.4+    020315 333  1.2+  0.3+
    020122 691  0.3+  0.0     020215 711  1.1-  0.2+    020315 333  0.2+  0.2+
    020124 691  0.0   1.2+    020215 711  0.2+  0.0     020320 704  0.3+  0.6-
    020124 691  1.0-  0.1-    020216 691  0.2-  0.5+    020320 704  0.6+  0.4-
    020124 691  0.6+  0.8-    020216 691  0.0   0.5+    020320 704  0.4+  0.5-
    020203 046  0.4-  0.3-    020216 691  0.1-  1.3+    020320 704  0.3+  0.6-
    020203 046  0.6+  0.3+    020222 644  0.1-  0.1+    020320 704  0.7+  0.5-
    020203 046  0.2+  0.7-    020222 644  0.0   0.1+    020320 644  0.1+  0.1-
    020203 046  0.0   0.0     020222 644  0.1-  0.2-    020320 644  0.0   0.1+
    020203 046  0.1-  0.5+    020303 046  0.3+  0.5-    020320 644  0.1-  0.2+
    020204 644  1.4+  0.5-    020303 046  0.4-  0.5-    020331 644  0.0   1.0+
    020204 644  0.6+  0.3+    020303 046  0.3+  0.3-    020331 644  0.1-  0.9+
    020204 644  0.7+  0.3-    020303 046  0.1+  0.1-    020331 644  0.1-  1.1+
    020208 704  0.4-  0.5-    020304 608  1.5+  0.7+    020402 113  0.7-  0.6+
    020208 704  0.0   0.2-    020304 608  1.0+  1.0+    020402 113  0.0   0.4+
    020208 704  0.1-  0.5-    020304 608  1.3+  0.9+    020402 113  0.5+  0.2+
    020208 704  0.4-  0.9-    020305 118  0.4+  0.6-    020402 113  0.1-  0.6+
    020208 704  0.5-  0.3+    020305 118  0.8+  0.7-    020402 113  0.0   0.0
    020209 704  0.8+  0.7+    020305 118  0.2-  0.9-    020408 422 (1.7+  4.4-)
    020209 704  0.0   0.9-    020306 333  1.4-  0.6-    020408 422  1.4-  0.3-
    020209 704  0.8+  0.4-    020306 333  1.1-  0.8-    020411 699  1.4+  0.1+
    020209 704  0.5+  0.3+    020306 333  0.6-  1.2-    020411 699  0.2-  0.0
    020209 704  0.8+  0.0     020306 333  0.9+  0.1-    020411 699  0.1+  0.8+
    020212 704  0.6-  0.6+    020306 704  0.1-  0.4+    020411 699  0.1-  0.5-
    020212 704  0.9+  0.5+    020306 333  0.9-  0.5-    020417 704  0.4+  0.1+
    020212 691  0.4-  0.3-    020306 333  1.2-  0.2-    020417 704  0.9+  0.1+
    020212 691  0.2-  0.5-    020306 333  0.7-  0.4-    020417 704  0.1+  0.4+
    020212 704  0.3+  0.5+    020306 333  0.5-  0.8-    020423 644  0.2-  0.1+
    020212 691  0.3-  0.4-    020306 333  0.6+  0.5-    020423 644  0.2-  0.0
    020212 704  0.2-  0.2+    020306 704  0.3-  0.1+    050406 413  0.0   0.3-
    020212 704  1.0+  0.6+    020306 704  0.3-  0.4+    050406 413  0.1-  0.0
    020213 704  0.4+  0.5+    020306 704  0.6-  0.2-    050407 413  0.1-  0.4-
    020213 704  0.2+  1.0+    020306 649  0.1-  0.3+    050407 413  0.2-  0.2-
    020213 704  0.1-  0.5+    020306 649  1.2-  0.0
    
    Ephemeris:
    2002 BA1                 a,e,i = 2.06, 0.46, 3                   q = 1.1233
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2005 03 31    16 34.72   -10 06.0    0.261    1.155   121.0    47.8    20.7
    2005 04 10    16 49.86   -10 40.6    0.271    1.185   126.8    42.6    20.7
    2005 04 20    16 56.09   -11 14.7    0.285    1.222   134.8    35.7    20.7
    2005 04 30    16 54.69   -11 54.5    0.303    1.266   144.5    27.5    20.6
    2005 05 10    16 47.53   -12 41.7    0.329    1.316   155.4    18.6    20.6
    2005 05 20    16 37.44   -13 35.7    0.365    1.370   166.4    10.0    20.6
    2005 05 30    16 27.45   -14 33.6    0.415    1.427   172.8     5.1    20.8
    2005 06 09    16 19.74   -15 33.0    0.480    1.485   166.3     9.3    21.4
    2005 06 19    16 15.62   -16 32.9    0.559    1.546   156.8    15.0    22.0
    
    Timothy B. Spahr             (C) Copyright 2005 MPC           M.P.E.C. 2005-G50
    

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    MPEC number:

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