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IAU Minor Planet Center

Minor Planet Center

MPEC 2007-F85 : COMET P/2007 B1 (CHRISTENSEN)

The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.


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M.P.E.C. 2007-F85                                Issued 2007 Mar. 30, 16:22 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://cfa-www.harvard.edu/iau/mpc.html  ISSN 1523-6714

                         COMET P/2007 B1 (CHRISTENSEN)

Observations:
    PK07B010  C2007 03 19.88875 08 40 40.05 +34 33 32.6          19.4 N EF085213
    PK07B010  C2007 03 19.89423 08 40 40.16 +34 33 31.0          19.4 N EF085213
    PK07B010  C2007 03 22.50385 08 41 49.10 +34 21 50.6          18.2 T EF085300
    PK07B010  C2007 03 22.50728 08 41 49.18 +34 21 50.3          18.2 T EF085300
    PK07B010  C2007 03 22.51072 08 41 49.22 +34 21 49.4          18.4 T EF085300
    PK07B010  C2007 03 22.51414 08 41 49.30 +34 21 48.4          18.5 T EF085300
    PK07B010  C2007 03 23.86514 08 42 29.57 +34 15 21.8          19.5 N EF085J70
    PK07B010  C2007 03 23.87196 08 42 29.21 +34 15 22.6          19.9 N EF085J70
    PK07B010  C2007 03 23.87792 08 42 29.64 +34 15 17.9          19.6 N EF085J70
    PK07B010  C2007 03 23.88473 08 42 29.75 +34 15 15.6          19.3 N EF085J70
    PK07B010  C2007 03 23.91321 08 42 30.33 +34 15 08.6          19.2 N EF085J70

Observer details:
213 Observatorio Montcabre.  Observer R. Naves.  Measurer M. Campas.  0.30-m
    f/10 Schmidt-Cassegrain + CCD.
300 Bisei Spaceguard Center--BATTeRS.  Observers A. Asami, S. Urakawa.
    1.0-m f/3.0 reflector + CCD.
J70 Obs. Astronomico Vega del Thader, El Palmar.  Observer J. P. Navarro P.
    0.20-m Schmidt-Cassegrain + CCD.

Orbital elements:
    P/2007 B1 (Christensen)
Epoch 2007 Jan. 20.0 TT = JDT 2454120.5
T 2007 Jan. 19.95701 TT                                 MPC
q   2.4427718            (2000.0)            P               Q
n   0.07001702     Peri.   46.90576     -0.55257823     -0.80671157
a   5.8299784      Node    77.78597     +0.68883348     -0.58351779
e   0.5809981      Incl.   12.37515     +0.46921822     -0.09339932
P  14.08
Residuals in seconds of arc
070117 703  0.8-  0.8-    070121 232  0.3-  1.5-    070209 215  0.5+  0.2+
070117 703  0.9-  0.0     070121 300  0.2+  0.0     070209 215  1.2+  0.1-
070117 703  1.4-  0.2+    070121 300  0.4+  0.8+    070209 213  0.1-  0.2+
070117 703  0.1-  0.0     070121 300  0.3+  0.4+    070209 213  0.1-  0.1+
070117 703  0.4-  0.1-    070122 349  0.5-  0.4+    070209 213  0.1-  0.1+
070117 703  0.1+  0.2-    070122 349  0.7-  0.0     070212 349  0.5+  1.1-
070117 703  0.2+  0.0     070125 703  0.9-  0.5-    070212 349  0.3+  0.9-
070117 703  0.3-  0.8+    070125 703  1.0-  0.7+    070216 673  0.0   0.5+
070117 703  0.9-  0.3-    070125 703  0.1-  0.7-    070216 673  0.1+  0.3+
070117 703  1.3-  0.5+    070125 703  0.6-  0.3-    070216 673  0.1-  0.7+
070118 118  0.1-  0.0     070125 372  1.4-  0.3-    070216 673  0.4+  0.7+
070118 118  1.3+  0.9+    070125 A32  0.0   0.5-    070216 104 (0.0   4.3+)
070118 118  0.7+  0.3+    070125 A32  0.3-  0.7-    070216 104  0.5-  0.5+
070118 118  0.1-  0.3-    070126 213  0.2-  0.3-    070216 104  0.4-  1.4-
070119 734  0.3+  0.2-    070126 213  0.2-  0.3-    070217 J70  0.5-  0.3+
070119 734  0.4+  1.0-    070126 213  0.1-  0.2-    070217 J70  0.4+  0.1+
070119 734  0.5+  0.7-    070127 213  0.9+  0.4+    070217 J70  1.0-  0.1+
070119 470  0.8+  0.0     070127 213  1.0+  0.2+    070217 J70 (2.3-  0.4-)
070119 204  0.2+  0.1-    070127 213  0.9+  0.3+    070219 213  0.0   0.6+
070120 176  0.0   0.0     070128 232  1.2+  0.4+    070219 213  0.1-  0.7+
070120 176  0.1+  0.1+    070128 232  0.1+  0.6+    070219 213  0.1-  0.5+
070120 176  0.0   0.1-    070128 147  0.8-  0.4+    070221 372  0.6-  0.1+
070120 176  0.1-  0.2-    070128 232  0.7-  0.3+    070222 170  1.0+  0.2-
070120 204  0.0   0.2-    070128 147  1.3-  1.2+    070222 170  0.7+  0.2-
070120 473  0.1-  0.1+    070128 204  0.6-  0.2+    070222 170  0.7+  0.3+
070120 473  0.3+  0.1-    070128 204  0.1+  0.0     070225 213  0.3+  0.3-
070120 473  0.1+  0.2-    070204 J95  0.2+  0.6-    070225 213  0.2+  0.4-
070120 473  0.6+  0.3+    070204 J95  0.2-  0.3-    070225 213  0.3+  0.5-
070120 473  0.1+  0.0     070205 104 (2.3+  0.4-)   070303 213  0.1-  0.3+
070120 H55  0.3+  0.1+    070205 104  0.1+  0.2+    070303 213  0.0   0.3+
070120 H55  0.2+  0.1+    070205 104  1.6-  0.2-    070303 213  0.2-  0.4+
070120 H55  0.1+  0.1+    070205 104  1.0-  0.5+    070319 213  0.6+  0.1+
070120 673  0.6+  0.3+    070206 699  0.4-  0.1+    070319 213  0.4+  0.1-
070120 673  0.7+  0.0     070206 699  0.9-  1.9+    070322 300  0.5+  0.5-
070120 673  0.6+  0.3+    070206 699  1.2+  0.2+    070322 300  0.4+  0.2+
070120 673  0.7+  0.2+    070206 699  1.6+  0.3+    070322 300  0.2-  0.2+
070120 673  0.7+  0.2+    070208 673  0.4+  0.3+    070322 300  0.4-  0.2+
070120 673  0.6+  0.4+    070208 673  0.4+  0.3+    070323 J70 (3.2+  0.3-)
070120 673  0.4+  0.7+    070208 673  0.4+  0.5+    070323 J70 (3.7-  2.5+)
070120 J70 (2.1-  3.0-)   070208 673  0.1+  0.2+    070323 J70  0.5-  0.5-
070121 232  0.4-  1.3-    070209 703  0.1+  0.3-    070323 J70  1.6-  0.8-
070121 232 (0.1+  2.2-)   070209 703  1.6-  0.6-    070323 J70 (4.6-  0.6+)

Brian G. Marsden             (C) Copyright 2007 MPC           M.P.E.C. 2007-F85

Read MPEC 2007-F84 Read MPEC 2007-F86


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