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IAU Minor Planet Center

Minor Planet Center

MPEC 2008-O44 : COMET 51P/HARRINGTON

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


Read MPEC 2008-O43 Read MPEC 2008-O45


M.P.E.C. 2008-O44                                Issued 2008 July 29, 17:34 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 51P/HARRINGTON

Observations:
0051P         C2008 07 28.43016 03 15 09.54 +12 37 52.3          15.8 T EO044703
0051P         C2008 07 28.43561 03 15 10.25 +12 37 55.8          15.8 T EO044703
0051P         C2008 07 28.44096 03 15 10.93 +12 37 58.2          15.8 T EO044703
0051P         C2008 07 28.44637 03 15 11.71 +12 38 00.8          15.8 T EO044703
0051P         C2008 07 29.06008 03 16 31.19 +12 43 04.9          14.8 T EO044246
0051P         C2008 07 29.06072 03 16 31.28 +12 43 05.4                 EO044246
0051P         C2008 07 29.06137 03 16 31.36 +12 43 05.8                 EO044246
0051P         C2008 07 29.06212 03 16 31.46 +12 43 06.3                 EO044246
0051P         C2008 07 29.06292 03 16 31.55 +12 43 06.5                 EO044246
0051P         C2008 07 29.06370 03 16 31.65 +12 43 06.9                 EO044246
0051P         C2008 07 29.06449 03 16 31.75 +12 43 07.2                 EO044246
0051P         C2008 07 29.06527 03 16 31.87 +12 43 07.6                 EO044246
0051P         C2008 07 29.06604 03 16 31.97 +12 43 08.1                 EO044246
0051P         C2008 07 29.06688 03 16 32.07 +12 43 08.4                 EO044246
0051P         C2008 07 29.06779 03 16 32.19 +12 43 08.8                 EO044246
0051P         C2008 07 29.06880 03 16 32.32 +12 43 09.2                 EO044246

Observer details:
246 Klet Observatory-KLENOT.  Observer M. Tichy.  1.06-m KLENOT Telescope
    + CCD.
703 Catalina Sky Survey.  Observer R. A. Kowalski.  Measurers E. C. Beshore,
    A. Boattini, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski,
    S. M. Larson.  0.68-m Schmidt + CCD.

Orbital elements:
  51P/Harrington
Epoch 1994 Sept. 5.0 TT = JDT 2449600.5
T 1994 Aug. 23.23725 TT                                 MPC
q   1.5718706            (2000.0)            P               Q
n   0.14531840     Peri.  233.45716     +0.98395493     +0.12081463
a   3.5830729      Node   119.26215     -0.07228234     +0.94268682
e   0.5613065      Incl.    8.65543     -0.16311944     +0.31103921
P   6.78

Epoch 2001 June 20.0 TT = JDT 2452080.5
T 2001 June 5.74647 TT                                  MPC
q   1.5681165            (2000.0)            P               Q
n   0.14557696     Peri.  233.60207     +0.98407078     +0.11974294
a   3.5788291      Node   119.17998     -0.07119024     +0.94271183
e   0.5618353      Incl.    8.65597     -0.16290074     +0.31137763
P   6.77

Epoch 2008 June 23.0 TT = JDT 2454640.5
T 2008 June 18.43364 TT                                 MPC
q   1.6875613            (2000.0)            P               Q
n   0.13829150     Peri.  269.18979     +0.98798583     +0.12263148
a   3.7034435      Node    83.76257     -0.07449272     +0.91108849
e   0.5443264      Incl.    5.42891     -0.13540619     +0.39354706
P   7.13
From 337 observations 1994-2008, mean residual 0".9.  Nongravitational
     parameters A1 = +1.75, A2 = +0.2693.

Residuals in seconds of arc
J9451  691  0.1+  0.9+    K017C  349  0.3-  1.8+    K01CB  213  0.4-  0.3-
J9451  691  0.1+  0.9+    K017C  349  0.2-  1.8+    K01CB  213  0.3-  1.3+
J9451  691  0.6-  1.4+    K017C  349  0.5+  1.5+    K01CB  170  1.2+  0.2+
J9451  691  1.0+  0.4+    K017L  349  1.5+  0.8+    K01CB  213  0.9+  0.5+
J9452  691  1.1-  0.7-    K017L  349  1.2+  1.3+    K01CB  170  0.1-  0.5+
J9452  691  0.6-  0.1+    K018H  170 (3.9-  0.3+)   K01CB  170  0.7-  0.6+
J9452  691  0.1-  0.8+    K018H  170  1.1-  1.1+    K01CB  170  0.1-  0.8+
J9452  691  1.1-  0.4+    K018O  170 (5.7-  0.4+)   K01CC  235  0.4+  1.2+
J9458  360  1.2-  0.8-    K018P  170 (3.1-  1.2+)   K01CD  170  1.0-  1.2+
J9458  360  0.5-  0.8-    K018R  170 (2.1-  0.8+)   K01CD  170  0.5+  0.3+
J945M  360  0.6+  0.0     K018R  360  0.6-  1.4+    K01CD  170  0.9-  0.5+
J945M  360  0.4+  0.4+    K018R  360  1.1-  1.2+    K01CE  235  0.1-  1.4+
J9465  360  1.3+  0.3+    K019N  349  1.4-  1.3+    K01CE  046  0.1+  0.5+
J9465  360  0.7+  0.2-    K019N  349  1.2-  1.4+    K01CE  046  0.1+  0.1+
J946D  691  0.1+  1.1+    K019N  402  0.2-  1.0+    K01CE  046  0.3-  0.0
J946D  691  0.5-  1.0+    K019N  402  0.3-  0.9+    K01CE  046  0.1+  1.3+
J946D  691  0.4+  0.9+    K019N  402  0.2-  1.0+    K01CE  046  0.2+  1.1+
J9477  360 (2.3+  0.5+)   K019O  170  1.8-  0.6+    K01CE  046  0.2-  1.6+
J9477  360  1.8+  0.2+    K019O  170  1.4-  0.6+    K01CF  587  0.3+  0.5+
J947F  360 (2.0+  0.7+)   K019O  170  1.4-  0.7+    K01CF  587  0.4-  0.3+
J947F  360  1.7+  0.4+    K019O  349  1.5-  1.2+    K01CG  941 (3.2-  0.6-)
J947S  897  1.7+  0.7-    K019O  349  1.7-  1.5+    K01CG  941  1.3-  0.0
J947S  897  0.0   0.1-    K019O  349  1.4-  1.3+    K01CG  941  1.8-  0.4+
J947S  897  1.1+  0.5-    K019O  349  1.5-  1.3+    K01CG  235  0.4+  0.1-
J9483  360 (2.3+  0.1-)   K019P  903 (3.8-  1.0+)   K01CG  213  0.0   1.3+
J9483  360 (2.9+  0.1-)   K019P  903 (3.6-  0.3+)   K01CG  213  0.9+  0.9+
J9484  897  1.6+  1.2-    K019P  903 (3.5-  0.8+)   K01CH  704  1.1+  1.7+
J9484  897  1.2+  0.1+    K019S  349  1.9-  1.1+    K01CH  704  0.6-  1.7+
J948D  381 (2.1+  0.1+)   K019S  349  1.7-  1.6+    K01CH  704 (5.6-  1.8+)
J948D  381  2.0+  0.1+    K019S  349 (2.2-  1.5+)   K01CH  704 (3.3-  1.1+)
J948E  897  1.0+  1.2-    K019S  349  2.0-  1.5+    K01CI  704  1.3-  0.4+
J948E  897  0.6+  0.4-    K01A2  349  1.7-  1.2+    K01CI  704  0.5+  0.3+
J948F  360  1.7+  0.0     K01A2  349 (2.5-  1.6+)   K01CI  704  0.3-  0.0
J948F  360  2.0+  0.0     K01A2  349 (2.7-  0.9+)   K01CI  360  1.1+  0.0
J9492  801  1.2-  0.3+    K01A2  349 (2.5-  1.3+)   K01CI  360  0.8+  0.3-
J9492  801  1.3-  0.2+    K01AB  349 (2.2-  2.5+)   K01CI  235  1.4-  0.5-
J9497  801  1.1-  0.2+    K01AB  349 (1.1-  2.8+)   K01CJ  213  0.2+  1.9-
J9497  801  0.8-  0.1-    K01AC  340 (2.1-  0.9+)   K01CJ  213  1.3+  0.5-
J9498  360  0.3+  0.2+    K01AC  340 (4.1-  0.5+)   K01CJ  170  0.3-  0.4-
J9498  360  0.3+  0.2+    K01AC  340 (3.5-  0.5+)   K01CK  170  1.5+  0.4-
J9499  410  0.1-  0.6-    K01AC  340 (2.5-  0.9+)   K01CK  170  0.7-  0.7-
J9499  410  1.1-  0.5-    K01AC  349 (2.7-  0.9+)   K01CK  170  0.0   0.3-
J949A  693  1.1-  1.4-    K01AC  349 (2.8-  0.6+)   K01CK  170  0.1+  0.3-
J949A  693  1.2-  1.3-    K01AC  349 (3.4-  1.5+)   K01CK  170  0.1+  0.2-
J949A  693  1.2-  1.3-    K01AC  349 (2.7-  1.1+)   K01CM  213  0.2-  1.8-
J949D  360  0.2-  0.1-    K01AE  402  1.5-  1.0+    K01CM  213  1.0+  0.1-
J949D  360  0.3-  0.1-    K01AE  402  1.2-  0.9+    K01CM  213  0.4-  0.0
J949P  897  0.4-  0.8-    K01AE  402  1.2-  0.9+    K01CM  213  0.8-  1.0-
J949P  897  2.0-  0.3+    K01AG  629  0.4-  1.4+    K01CN  704  1.7-  0.1-
J949P  897  0.6-  0.0     K01AG  629  0.4-  1.0+    K01CN  704  1.9-  0.7+
J949U  897  1.4-  0.0     K01AJ  170 (3.9-  1.2+)   K01CN  704 (4.1-  1.4+)
J949U  897  0.9-  0.3+    K01AJ  170  1.2-  0.7+    K01CN  704 (4.0-  0.0 )
J94A1  410  0.4-  0.3+    K01AJ  349 (2.6-  0.8+)   K01CN  461 (2.0+  0.3-)
J94A1  410  0.6-  0.2+    K01AJ  349 (2.0-  0.7+)   K01CN  461  0.5+  0.1+
J94A2  360  0.3+  0.1+    K01AJ  349 (2.2-  1.5+)   K01CN  461  1.5+  1.0+
J94A2  360  0.2+  0.1+    K01AP  170  0.3-  0.4+    K01CN  461  0.9+  0.1+
J94A4  801 (2.6-  1.0+)   K01AP  170 (4.4-  0.7+)   K01CN  235  0.9+  0.3+
J94A4  801  0.9-  0.5+    K01AP  170  0.5-  0.4+    K01CO  170  1.1+  0.7-
J94A4  691  0.4+  0.2-    K01AP  170  0.9+  0.7+    K01CO  170 (2.2-  0.4-)
J94A4  691  0.2+  0.0     K01AQ  349 (2.1-  1.5+)   K01CO  461  1.0+  1.0+
J94A4  691  0.1-  0.2-    K01AQ  349  1.6-  0.8+    K01CO  461  0.8+  1.3+
J94A4  691  0.2+  0.1-    K01B3  170 (2.3-  1.0+)   K01CO  461  0.2+  1.6+
J94A5  046  0.4-  0.3+    K01BB  118  0.9-  1.1+    K01CP  213 (4.2-  0.1+)
J94A5  046  0.4-  0.3+    K01BH  704 (1.5-  3.4+)   K01CP  213 (0.2-  2.6-)
J94A5  046  0.3-  0.3+    K01BH  704 (2.4-  1.9+)   K01CP  213 (2.5-  2.4-)
J94A5  691  0.5+  0.6-    K01BH  704 (3.0-  0.7+)   K01CP  170  1.0-  0.4-
J94A5  691  0.3+  0.5-    K01BH  704 (5.0-  0.4-)   K01CP  170  0.2+  1.0-
J94A7  557  0.2+  0.1-    K01BH  704(12.1-  0.3+)   K01CQ  349  1.8+  1.2+
J94A7  046  0.2-  0.3-    K01BI  170 (5.0-  0.4+)   K01CQ  349 (2.0+  1.5-)
J94A7  557  0.2-  0.2-    K01BI  704 (2.3-  0.8+)   K01CQ  349  0.5+  0.7+
J94A7  046  0.2-  0.3-    K01BI  704 (2.2-  1.6+)   K0211  235  1.2+  0.3+
J94A7  046  0.2-  0.1-    K01BI  704 (3.4-  0.1+)   K0212  235 (2.4-  0.0 )
J94A7  557  0.0   0.3-    K01BI  704  2.0-  0.8+    K0213  349  0.3+  0.6-
J94A7  801 (2.2-  0.2-)   K01BI  704 (4.8-  1.8+)   K0213  349  1.1-  0.5+
J94A7  801  0.7-  0.2+    K01BI  704 (0.2+  5.3+)   K0213  613  1.3-  0.3-
J94A8  557  0.2+  0.2-    K01BI  704 (7.0-  3.3+)   K0213  613  0.1+  0.5-
J94A8  557  0.1+  0.1-    K01BI  704(10.5-  1.7+)   K0213  613  1.2-  0.0
J94A9  557  0.1+  0.4-    K01BN  349 (3.2-  0.8+)   K0214  215  0.7+  0.2+
J94A9  557  0.1+  0.1-    K01BN  349  1.5-  0.2-    K0214  215  1.4+  0.7-
J94AA  557  0.3+  0.1+    K01BN  349  1.9-  0.3+    K0214  215  1.2+  0.5+
J94AA  557  0.2+  0.2-    K01C6  170  1.3-  0.8+    K0214  046  1.6+  0.1+
J94AE  897  0.8+  0.2-    K01C6  170  1.0-  0.3+    K0214  046  1.1+  0.4+
J94AE  897  1.0-  0.1+    K01C6  170 (2.9-  0.0 )   K0214  046  0.4+  0.5-
J94AE  360  0.1+  0.3-    K01C6  620 (2.0-  0.9+)   K0214  046  0.6+  0.3-
J94AE  360  0.1+  0.3-    K01C6  620  1.6-  1.0+    K0214  235  1.5-  0.9-
J94AU  360  0.7+  0.0     K01C6  213  1.3-  0.6+    K0214  613  0.7+  1.0-
J94AU  360  0.1+  0.2-    K01C6  213  1.1-  0.6+    K0216  235  0.4-  0.6-
J94B1  897  0.6+  0.8+    K01C6  620 (2.4-  0.8+)   K0217  235  0.6+  0.0
J94B1  897  0.0   2.0+    K01C6  213  1.3+  0.6+    K0217  170  0.6+  0.3+
J94B4  410  0.1-  1.1+    K01C7  170  1.0-  0.2+    K0218  235 (2.5+  0.8-)
J94B4  410  0.1+  1.7+    K01C7  213  1.2+  1.2-    K0219  587  0.9+  0.6-
J94B7  691  0.1+  1.3-    K01C7  213 (3.6-  1.6-)   K0219  587  0.3+  1.1-
J94B7  691  0.4+  1.2-    K01C7  213  0.1-  0.4-    K021A  046  1.1+  0.3-
J94B8  801  0.5+  1.1-    K01C7  213  1.2-  0.4-    K021A  046  0.5+  0.1+
J94B8  801  0.6+  0.2+    K01C7  941 (2.4-  0.5+)   K021A  046  1.9+  0.7-
J94B8  360  0.5+  1.0-    K01C7  941  1.8-  0.7+    K021A  235  0.5-  0.1+
J94B8  360  0.4+  1.0-    K01C7  941  1.4-  0.6+    K021B  360  1.5+  0.1-
J94B9  691  0.0   1.5-    K01C7  941 (2.6-  1.0+)   K021B  360  0.8+  0.3-
J94B9  691  0.3+  1.6-    K01C7  170  0.1-  0.3+    K021B  620  0.7+  0.8-
J94B9  691  0.2+  1.7-    K01C7  170  0.3-  0.4+    K021B  213  0.8-  1.7-
J94BN  410  1.0+  0.4-    K01C8  349  1.2-  0.5+    K021B  213  0.2-  0.7-
J94BN  410  0.4-  0.7-    K01C8  349  0.0   1.2+    K021B  620  0.8+  0.8-
J94BN  360  0.2+  1.4-    K01C8  349  0.2-  1.6+    K021B  620  0.8+  0.4-
J94BN  360 (0.2-  2.1-)   K01C8  213  0.8-  0.3+    K021B  170  0.4-  0.7-
J94BO  897 (0.6+  2.7-)   K01C8  213 (2.2-  0.2-)   K021B  170 (2.2+  0.2+)
J94BO  897  0.1-  1.4-    K01C8  611  0.6-  0.7+    K021C  235  0.8-  1.4-
J94BO  897  0.4+  0.8-    K01C8  611  0.7-  0.7+    K021E  704 (2.7+  0.7+)
J94BQ  410  0.4+  0.3-    K01C8  213  0.9-  0.1+    K021E  704 (3.3+  1.5+)
J94BQ  410  1.0+  0.4-    K01C8  118  0.4+  0.9+    K021E  704  0.1-  1.0+
J94BQ  410  1.1+  1.0-    K01C8  118  0.3+  0.4+    K021G  046 (3.0+  1.3+)
J94C1  118  1.1-  0.4-    K01C8  118  0.5-  0.7+    K021G  046 (2.3+  0.3+)
J94C3  118  0.4-  0.4-    K01C8  611  0.7-  0.5+    K021G  235  0.2+  0.1-
J94C3  118  1.1+  0.2-    K01C9  170  0.6-  0.4+    K021H  235  1.4+  0.2-
J94C4  897  1.7+  0.0     K01C9  170  1.1-  0.5+    K021H  170  0.0   0.2+
J94C4  897  1.7+  0.8-    K01C9  170  0.2-  0.5+    K021H  170  1.8+  0.1+
J94C4  360 (0.1+  2.5-)   K01C9  170  0.1-  0.4+    K021I  170  0.8+  1.5-
J94C4  410  1.3+  0.0     K01C9  309  1.1+  0.2+    K021K  170  0.8+  0.0
J94C4  360 (0.0   2.4-)   K01C9  691  0.6+  0.1+    K021V  620 (1.9+  2.3-)
J94C4  410  0.8+  1.1-    K01C9  691  0.5-  0.5+    K021V  620  1.3+  0.7+
J94C4  410  0.3+  1.4-    K01C9  691  0.1+  0.2+    K0221  620 (3.8-  3.1-)
J94C6  360 (0.3+  3.0-)   K01C9  118  1.1+  0.0     K0221  620  0.5-  1.1+
J94C6  360 (0.5+  2.9-)   K01C9  118  0.1+  0.5+    K0222  170 (4.9-  1.4-)
J94C6  359 (0.0   4.0-)   K01C9  118  0.2-  0.6+    K0222  170  1.4-  1.7-
J94C6  359 (1.0+  3.1-)   K01C9  235  0.8+  0.2-    K0222  170 (0.8-  2.3-)
J94C9  691 (0.3-  2.3-)   K01C9  046  0.6+  0.3+    K0227  360  1.5+  0.5-
J94C9  691 (1.1-  2.8-)   K01C9  046  0.3+  0.4+    K0227  360  1.1+  0.3-
J94C9  691 (0.7-  2.7-)   K01C9  046  0.2-  0.7+    K0227  360  1.1+  1.4-
J94CM  360 (0.7-  2.4-)   K01C9  046  0.4+  0.3-    K087S  703  0.5-  1.3+
J94CM  360 (0.0   2.7-)   K01C9  046  0.3-  0.9+    K087S  703 (0.4-  2.0+)
J94CT  410  1.3+  1.2-    K01C9  046  1.4-  0.4+    K087S  703  0.5-  1.7+
J94CT  410  1.2-  1.9-    K01C9  046  1.5-  0.7+    K087S  703  0.7+  1.6+
J94CT  410 (1.1+  2.0-)   K01C9  046  0.9-  0.1-    K087S  703  0.5-  1.3+
J94CV  897  0.3+  0.6-    K01C9  170 (2.4-  0.8+)   K087S  703 (0.4-  2.0+)
J94CV  897 (5.8+  3.6-)   K01C9  170  0.3-  0.9+    K087S  703  0.5-  1.7+
J94CV  897  1.6+  0.7-    K01C9  170  0.0   1.0+    K087S  703  0.7+  1.6+
J94CV  897 (3.9+  1.0+)   K01C9  170  0.2+  1.3+    K087T  246  1.1-  1.8+
J9512  410  1.3+  1.9-    K01C9  611  0.2+  0.5+    K087T  246  0.9-  2.0+
J9512  410  1.1+  1.0-    K01C9  611  0.4+  0.5+    K087T  246 (1.0-  2.0+)
J9512  410  1.1+  1.2-    K01C9  611  0.1+  0.3+    K087T  246 (1.0-  2.2+)
J9513  691 (1.5-  3.1-)   K01CA  309  1.1+  0.2+    K087T  246  1.1-  2.0+
J9513  691 (1.2-  3.0-)   K01CA  349  0.2+  0.9+    K087T  246  1.2-  2.0+
J951S  695 (1.6-  2.7-)   K01CA  349  1.2+  0.2+    K087T  246  1.2-  1.9+
J951S  695 (1.3-  2.7-)   K01CA  349  0.2-  1.2+    K087T  246  0.9-  1.9+
J951S  695 (1.5-  3.1-)   K01CA  235 (5.3-  2.0+)   K087T  246  0.9-  2.0+
K0171  349 (4.0+  0.1+)   K01CA  587  0.4+  0.4+    K087T  246  1.0-  1.9+
K0171  349 (3.7+  1.1+)   K01CA  587  0.2-  0.1-    K087T  246  1.0-  1.8+
K0174  349  1.4+  0.0     K01CB  422  0.5+  0.2+    K087T  246  1.0-  1.7+
K0174  349 (2.1+  0.2+)   K01CB  422  0.4-  0.1+
K0174  349  0.9+  0.9+    K01CB  422  0.0   0.2-

Ephemeris:
  51P/Harrington
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2008 07 23    03 03.20   +11 50.5    1.703    1.721    73.7    34.5  15.9  21.8
2008 08 02    03 24.91   +13 14.5    1.648    1.742    77.8    34.7  15.9  21.7
2008 08 12    03 45.13   +14 24.5    1.592    1.769    82.3    34.6  16.0  21.7
2008 08 22    04 03.53   +15 21.4    1.537    1.799    87.3    34.2  16.0  21.6
2008 09 01    04 19.73   +16 06.3    1.481    1.834    92.9    33.3  16.1  21.6
2008 09 11    04 33.31   +16 41.2    1.425    1.873    99.3    32.0  16.2  21.5
2008 09 21    04 43.85   +17 08.0    1.371    1.915   106.4    30.2  16.3  21.4
2008 10 01    04 50.94   +17 28.8    1.320    1.959   114.5    27.7  16.4  21.3
2008 10 11    04 54.20   +17 45.6    1.275    2.007   123.5    24.5  16.6  21.2
2008 10 21    04 53.49   +17 59.9    1.240    2.056   133.5    20.6  16.7  21.0
2008 10 31    04 48.96   +18 12.6    1.219    2.108   144.5    15.9  16.9  20.9
2008 11 10    04 41.24   +18 23.9    1.217    2.161   156.2    10.6  17.1  20.8
2008 11 20    04 31.50   +18 34.1    1.238    2.215   168.4     5.1  17.4  20.6
2008 11 30    04 21.21   +18 43.6    1.285    2.270   176.9     1.3  17.7  20.5
2008 12 10    04 11.89   +18 54.2    1.358    2.327   166.2     5.8  18.0  21.0
2008 12 20    04 04.72   +19 07.4    1.458    2.383   154.5    10.2  18.4  21.4
2008 12 30    04 00.35   +19 24.8    1.580    2.441   143.4    13.9  18.7  21.7
2009 01 09    03 58.98   +19 47.0    1.722    2.498   133.0    16.7  19.1  22.1
2009 01 19    04 00.49   +20 13.7    1.881    2.556   123.2    18.8  19.5  22.4

Brian G. Marsden             (C) Copyright 2008 MPC           M.P.E.C. 2008-O44

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