• MPC Preparation (Info)

  • MPEC 2007-Y09 : COMET C/2007 U1 (LINEAR)

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    M.P.E.C. 2007-Y09                                Issued 2007 Dec. 17, 16:37 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.
    
                 Prepared using the Tamkin Foundation Computer Network
    
                                  MPC@CFA.HARVARD.EDU
              URL http://www.cfa.harvard.edu/iau/mpc.html  ISSN 1523-6714
    
                               COMET C/2007 U1 (LINEAR)
    
    Observations:
        CK07U010  C2007 12 14.25500 06 34 52.18 +02 12 41.5          17.7 T EY009704
        CK07U010  C2007 12 14.26730 06 34 50.70 +02 12 42.8          17.9 T EY009704
        CK07U010  C2007 12 14.27964 06 34 49.18 +02 12 44.0          17.8 T EY009704
        CK07U010  C2007 12 14.29189 06 34 47.44 +02 12 45.4          19.2 T EY009704
        CK07U010  C2007 12 14.30498 06 34 46.14 +02 12 48.7          18.3 T EY009704
        CK07U010  C2007 12 14.99825 06 33 22.41 +02 14 29.5          17.2 N EY009J51
        CK07U010  C2007 12 15.00844 06 33 21.16 +02 14 31.3          17.4 N EY009J51
        CK07U010  C2007 12 15.02475 06 33 19.23 +02 14 34.2          16.8 N EY009J51
        CK07U010  C2007 12 15.03083 06 33 18.41 +02 14 34.1          16.7 N EY009J47
        CK07U010  C2007 12 15.03917 06 33 17.38 +02 14 35.5          17.1 N EY009J47
        CK07U010  C2007 12 15.04675 06 33 16.43 +02 14 37.0          17.2 N EY009J47
    
    Observer details:
    704 Lincoln Laboratory ETS, New Mexico.  Observers M. Bezpalko, D. Torres,
        R. Kracke, G. Spitz, J. Kistler.  Measurers J. Stuart, S. Scruggs.  1.0-m
        f/2.15 reflector + CCD.
    J47 Observatorio Nazaret.  Observer G. Muler.  0.20-m Schmidt-Cassegrain + CCD.
    J51 Observatorio Atlante, Tenerife.  Observer J. A. Henriquez.  0.2-m f/9
        Cassegrain + CCD.
    
    Orbital elements:
        C/2007 U1 (LINEAR)
    Epoch 2008 Aug. 2.0 TT = JDT 2454680.5
    T 2008 Aug. 7.22739 TT                                  MPC
    q   3.3292443            (2000.0)            P               Q
    z  +0.0001751      Peri.    0.95234     +0.65376114     +0.69897526
     +/-0.0001737      Node    50.05489     +0.69173585     -0.70733794
    e   0.9994172      Incl.  157.78355     +0.30675379     +0.10538797
    Residuals in seconds of arc
    071019 704  0.8+  0.1+    071022 704  0.0   0.3+    071115 349  0.2-  0.4+
    071019 704  0.2+  0.7+    071022 H55  0.1+  0.1-    071117 204  0.0   0.2-
    071019 704  0.6+  0.2-    071022 H55  0.1+  0.2-    071117 204  0.2-  0.1-
    071019 704  0.5+  0.9+    071022 704  0.0   0.1-    071117 349  0.3-  1.2+
    071019 704  0.5-  0.2-    071022 704  0.1-  0.1+    071117 349  0.4-  1.0+
    071020 H55  0.2+  0.6-    071022 704  1.1-  1.0-    071118 349  0.4-  0.6+
    071020 H55  0.3+  0.3-    071022 D35  0.5+  0.4-    071118 349  0.3-  0.5+
    071020 H55  0.7-  0.3+    071022 D35  0.3+  0.4-    071118 349  0.6-  0.6+
    071020 H55  0.0   0.4-    071022 D21  0.6-  0.4-    071120 585  0.5+  0.3+
    071020 704  0.1+  0.5+    071022 D21  0.2+  1.2+    071120 585  0.0   0.2+
    071020 704  0.1-  0.2+    071022 D35  0.2+  0.1-    071120 585  0.2+  0.4-
    071020 704  0.0   0.2-    071022 D21  0.3-  0.2+    071124 213  0.9+  0.5+
    071020 413  0.0   0.1-    071023 704  0.5+  0.7+    071124 213  0.5+  0.4-
    071020 413  0.2+  0.2-    071023 704  0.6-  0.8+    071125 349  0.2+  0.6-
    071021 473  0.4+  0.0     071023 704  0.2-  0.2-    071125 349  0.2-  0.5-
    071021 473  0.3+  0.2-    071023 349  0.1+  0.4-    071125 349  0.2-  0.7-
    071021 473  0.2+  0.3-    071023 349  0.4+  0.1-    071130 585  0.5-  0.6+
    071021 204  0.4+  0.6-    071024 704  0.0   0.2-    071130 585  0.6+  0.2+
    071021 B33  0.5+  0.6+    071024 704  0.4-  0.7+    071130 585  0.1-  0.3-
    071021 B33 (2.4-  0.7-)   071024 704  0.9+  0.6+    071201 J47  0.2+  0.5-
    071021 850  0.6-  0.0     071024 704  0.7-  0.0     071201 213  0.1-  0.9-
    071021 850  0.4-  0.4+    071028 213  0.4+  1.1-    071201 J47  0.0   0.1-
    071021 850 (0.1+  2.2-)   071028 213  0.1+  0.7-    071201 213  0.1+  1.2-
    071021 704  0.1+  0.7+    071028 213  0.3-  0.1-    071201 J47  0.1-  0.0
    071021 704  0.1-  1.5+    071102 850  0.9+  1.1-    071201 213  0.5+  0.3-
    071021 704  1.2+  0.7+    071102 850  0.6-  0.1-    071203 673  0.3-  0.2+
    071021 701  0.3-  0.4-    071102 673  0.0   0.1+    071203 673  0.2-  0.2+
    071021 704  1.2-  0.0     071102 673  0.2-  0.1+    071203 673  0.7-  0.1+
    071021 701  0.8+  0.3-    071102 673  0.3-  0.2+    071203 673  0.3-  0.4+
    071021 701  0.4-  0.1-    071102 673  0.1-  0.3+    071203 J46  0.2+  0.1+
    071021 413  0.0   0.1+    071108 130  0.1-  0.1+    071203 J46  0.1+  0.2-
    071021 413  0.1-  0.1+    071108 130  0.1+  0.0     071204 415  0.1+  0.2-
    071021 413  0.3-  0.2+    071108 130  0.2+  0.7-    071204 415  0.1-  0.3-
    071021 413  0.3-  0.2+    071108 130  0.4+  0.2-    071214 704  0.1+  1.0+
    071021 413  0.2-  0.3+    071110 147  0.4+  0.8+    071214 704  0.3+  0.5+
    071022 A80  0.1-  0.3-    071110 J47  0.2-  0.3+    071214 704  0.1-  0.1-
    071022 A80  0.1-  0.9-    071110 147  0.3+  0.0     071214 704 (3.9-  0.4-)
    071022 A80  0.6-  0.4-    071110 J47  0.2+  0.4+    071214 704  0.4+  1.0+
    071022 A80  0.0   0.4+    071110 J47  0.1+  1.4-    071214 J51  0.0   0.4-
    071022 204  0.0   0.5-    071112 355  0.5+  0.1+    071215 J51  0.1-  0.1-
    071022 204  0.1-  0.4-    071112 355  0.0   0.4+    071215 J51  0.8+  0.3+
    071022 H06  0.2+  0.6-    071112 355  0.0   0.5-    071215 J47  0.2-  0.7-
    071022 H55  0.1+  0.1-    071112 355  0.1-  0.4-    071215 J47  0.4-  0.5-
    071022 H06  0.8-  0.1+    071115 349  0.2-  0.5+    071215 J47  0.7-  0.2-
    
         The "original" and "future" barycentric values of 1/a are +0.000773
    and +0.000669 (+/- 0.000174) AU^-1, respectively.
    
    Brian G. Marsden             (C) Copyright 2007 MPC           M.P.E.C. 2007-Y09
    

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