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IAU Minor Planet Center

Minor Planet Center

MPEC 2005-R02 : 2001 TX44

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M.P.E.C. 2005-R02                                Issued 2005 Sept. 1, 11:55 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

                                   2001 TX44

                           Revision to MPEC 2001-U12

Additional Observations:
     K01T44X 5C2005 08 31.42095 03 26 51.23 -20 07 13.8          20.5 R ER002673
     K01T44X 5C2005 08 31.42766 03 26 50.72 -20 07 23.2                 ER002673
     K01T44X 5C2005 08 31.43704 03 26 49.94 -20 07 37.2                 ER002673
     K01T44X 5C2005 08 31.44502 03 26 49.26 -20 07 50.0                 ER002673
     K01T44X 5C2005 09 01.42060 03 25 30.40 -20 32 25.5          20.5 R ER002673
     K01T44X 5C2005 09 01.43611 03 25 29.03 -20 32 48.9                 ER002673
     K01T44X 5C2005 09 01.44769 03 25 27.96 -20 33 07.0                 ER002673

Observer details:
673 Table Mountain Observatory, Wrightwood.  Observer J. Young.  0.6-m f/16
    Cassegrain + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
050831 673  3.8+ 11.6+    050901 673  5.1+ 12.7+    MPO 70302   -0.0028 day

Orbital elements:
2001 TX44                                                            PHA 0.004
Epoch 2005 Aug. 18.0 TT = JDT 2453600.5                 MPC
M 109.41798              (2000.0)            P               Q
n   1.20468278     Peri.  135.95953     -0.95044777     +0.21758852
a   0.8747573      Node    57.86146     -0.30356159     -0.80365829
e   0.5460338      Incl.   15.20233     +0.06707759     -0.55388499
P   0.82           H   18.9           G   0.15           U   5
Residuals in seconds of arc
011011 704  0.3-  0.3-    011024 699  0.3-  0.1-    011111 046  0.9+  0.1+
011011 704  1.0-  0.1+    011024 699  0.1-  0.7-    011111 046  0.9+  0.0
011011 704  0.2-  1.1-    011024 699  0.0   0.3-    011111 046  1.0+  0.6-
011014 699  1.3-  1.2+    011024 699  0.6-  0.2-    011115 118  1.0-  0.7+
011014 699  1.2-  0.7-    011029 608  0.3+  0.2+    011115 118  0.2-  0.2-
011014 699  0.4+  0.1+    011029 608  0.5+  0.1-    011115 118  0.2-  1.1+
011014 699  0.1+  0.3+    011029 608  0.1-  0.0     011115 587 (3.5+  0.4+)
011015 704  0.1-  0.1+    011103 413  1.6+  0.9-    011115 587  1.5-  1.8+
011015 704  0.1-  0.1-    011103 413  0.2+  1.2-    011115 587  1.7+  0.7-
011015 704  0.2-  0.4+    011103 413  1.1+  1.1-    011204 413  0.4+  0.4+
011015 704  0.4+  0.1+    011107 704  0.7-  0.7+    011204 413  0.3-  0.1+
011015 704  0.0   0.4+    011107 704  0.9+  0.5+    011204 413  0.3+  0.1-
011015 046  0.1+  0.4+    011107 704  1.3+  0.6+    011205 413  0.4-  0.1-
011015 046  0.7-  0.2+    011107 704  0.9-  1.0+    011205 413  0.1-  0.5+
011015 046  0.6-  1.0-    011107 704  0.5-  0.3+    011205 413  0.3-  0.9-
011015 046  0.1+  0.0     011110 704  1.0-  0.3-    050831 673  0.8-  0.7-
011015 046  0.9-  0.3+    011110 704  1.3-  0.1-    050831 673  0.1-  0.1+
011015 046  0.0   0.2+    011110 704  0.9-  0.5-    050831 673  0.0   0.4+
011017 704  0.3+  0.3+    011110 704  1.2-  0.3-    050831 673  0.2-  0.3-
011017 704  0.7+  0.1+    011110 704  0.8-  0.1-    050901 673  0.4+  0.1-
011017 704  0.7+  0.4-    011111 046  1.1+  0.1-    050901 673  0.6+  0.4+
011017 704  0.5+  0.4+    011111 046  1.8+  0.1-    050901 673  0.2+  0.2+

Ephemeris:
2001 TX44                a,e,i = 0.87, 0.55, 15                  q = 0.3971
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2005 08 28    03 30.77   -18 43.8    0.501    1.247   106.2    51.1    19.8
2005 09 07    03 16.08   -22 59.1    0.464    1.286   116.9    44.4    19.5
2005 09 17    02 49.90   -27 34.2    0.433    1.316   127.8    37.1    19.2
2005 09 27    02 10.58   -31 33.5    0.416    1.337   136.9    30.8    19.0
2005 10 07    01 21.75   -33 35.9    0.420    1.349   140.3    28.3    18.9
2005 10 17    00 33.92   -32 56.4    0.445    1.352   136.0    30.8    19.1
2005 10 27    23 56.73   -30 10.8    0.489    1.347   127.1    36.1    19.5
2005 11 06    23 32.76   -26 23.9    0.547    1.332   117.1    41.5    19.8
2005 11 16    23 19.99   -22 21.2    0.611    1.309   107.4    46.1    20.2
2005 11 26    23 15.28   -18 22.4    0.676    1.276    98.5    49.9    20.4
2005 12 06    23 16.21   -14 32.0    0.737    1.234    90.3    53.0    20.6
2005 12 16    23 21.03   -10 48.9    0.789    1.182    82.8    55.7    20.8
2005 12 26    23 28.43   -07 10.7    0.830    1.120    75.7    58.4    20.8
2006 01 05    23 37.49   -03 34.4    0.855    1.047    69.0    61.3    20.8
2006 01 15    23 47.32   +00 01.5    0.862    0.963    62.5    65.0    20.8

Timothy B. Spahr             (C) Copyright 2005 MPC           M.P.E.C. 2005-R02

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