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IAU Minor Planet Center

Minor Planet Center

MPEC 2004-J01 : 2001 PF14

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M.P.E.C. 2004-J01                                Issued 2004 May 1, 04:24 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 Steven and Michele Kirsch 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 PF14

                           Revision to MPEC 2001-P46

Additional Observations:
     K01P14F  C2004 03 26.33386 15 02 25.12 -13 50 22.2          21.9 V EJ001291
     K01P14F  C2004 03 26.34463 15 02 25.20 -13 50 25.7          22.5 V EJ001291
     K01P14F  C2004 03 26.35553 15 02 25.35 -13 50 28.9          22.0 V EJ001291
     K01P14F  C2004 04 12.37786 15 01 21.16 -15 24 13.6          21.0 V EJ001291
     K01P14F  C2004 04 12.38541 15 01 20.93 -15 24 16.7          20.9 V EJ001291
     K01P14F  C2004 04 12.39324 15 01 20.71 -15 24 19.4          20.9 V EJ001291
     K01P14F  C2004 04 22.32526 14 55 01.11 -16 24 06.9          20.3 V EJ001691
     K01P14F  C2004 04 22.35180 14 54 59.59 -16 24 16.8          20.2 V EJ001691
     K01P14F  C2004 04 22.38384 14 54 57.78 -16 24 28.9          20.5 V EJ001691
     K01P14F  C2004 04 30.23416 14 47 05.26 -17 15 52.0          19.2 R EJ001926
     K01P14F  C2004 04 30.23718 14 47 05.03 -17 15 53.5          19.0 R EJ001926
     K01P14F  C2004 04 30.24021 14 47 04.82 -17 15 54.2          19.0 R EJ001926

Observer details:
291 LPL/Spacewatch II.  Observers M. Block, R. S. McMillan.  1.8-m f/2.7
    reflector + CCD.
691 Steward Observatory, Kitt Peak.  Observer J. A. Larsen.  0.9-m f/3
    reflector + CCD.
926 Tenagra II Observatory.  Observers P. R. Holvorcem, M. Schwartz.  0.81-m
    f/7 Ritchey-Chretien + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
040326 291 0.51- 0.21+    040430 926 0.84- 0.37+    MPO 18354   +0.59 day

Orbital elements:
2001 PF14
Epoch 2004 July 14.0 TT = JDT 2453200.5                 MPC
M 352.31651              (2000.0)            P               Q
n   0.31920491     Peri.  254.02030     +0.37808974     +0.92285070
a   2.1204255      Node    38.45432     -0.79779958     +0.36504741
e   0.4094826      Incl.    6.78279     -0.46964240     +0.12282900
P   3.09           H   19.6           G   0.15           U   3
Residuals in seconds of arc
010812 644  1.8-  0.2+    010814 428  0.1+  0.3-    010828 360  0.4+  1.1-
010812 644  0.6-  0.1-    010814 474  0.0   0.1+    010911 474  0.3+  0.0
010812 644  0.5-  0.1-    010814 428  0.0   0.4-    010911 474  0.2+  0.3+
010813 808  0.2+  1.9+    010814 474  0.3-  0.0     010911 474  0.3+  0.0
010813 808  0.0   1.9+    010814 474  0.2-  0.3-    010912 474  0.5-  0.0
010813 808  0.1+  2.5+    010815 474  0.4-  0.0     010912 474  0.6-  0.0
010813 808  0.5+  1.0+    010815 474  0.4-  0.1-    010912 474  0.8-  0.1+
010813 808 (0.4+  3.1-)   010815 474  0.1-  0.3-    010926 413  0.0   0.6+
010813 808  0.7-  1.3+    010815 474  0.2-  0.1-    010926 413  0.3+  0.4+
010813 808  1.5-  2.2+    010815 474  0.0   0.0     040326 291  0.4+  0.1-
010813 422  0.6-  0.4-    010815 428  0.4+  0.2-    040326 291  0.4-  0.0
010813 422  0.0   0.6-    010815 428  0.6+  0.0     040326 291  0.2-  0.3+
010813 422  0.0   0.6-    010818 644  0.3+  0.1+    040412 291  0.3+  0.7+
010814 649  0.1+  0.8-    010818 644  0.3+  0.8+    040412 291  0.2+  0.2+
010814 649  0.1-  0.3-    010818 644  0.2+  0.4+    040412 291  0.4+  0.2+
010814 649  0.8+  1.2-    010822 413  0.1+  0.1-    040422 691  0.0   0.1+
010814 644  0.5+  0.5-    010822 413  0.3+  0.4-    040422 691  0.2-  0.2+
010814 644  0.7+  0.0     010822 413  0.0   0.2-    040422 691  0.2-  0.1+
010814 644  0.3+  0.0     010823 413  0.2+  0.1-    040430 926  0.1-  0.5-
010814 428  0.7+  0.8-    010823 413  0.1-  0.1-    040430 926  0.2-  0.8-
010814 474  0.1-  0.2-    010823 413  0.1+  0.2-    040430 926  0.0   0.2-
010814 474  0.0   0.3-    010828 360  0.6+  0.3-
010814 474  0.3+  0.1-    010828 360  0.0   0.4-

Ephemeris:
2001 PF14                a,e,i = 2.12, 0.41, 7                   q = 1.2521
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2004 04 25    14 52.60   -16 41.0    0.581    1.581   169.4     6.7    19.9
2004 05 05    14 41.31   -17 48.9    0.523    1.531   177.5     1.6    19.3
2004 05 15    14 27.85   -19 03.6    0.482    1.483   165.7     9.7    19.5
2004 05 25    14 14.80   -20 25.8    0.458    1.437   153.5    18.3    19.6
2004 06 04    14 05.09   -21 58.6    0.447    1.395   142.2    26.5    19.8
2004 06 14    14 00.84   -23 44.8    0.447    1.357   132.2    33.7    19.9
2004 06 24    14 03.31   -25 46.5    0.452    1.323   123.9    39.6    20.1
2004 07 04    14 12.94   -28 03.0    0.462    1.296   117.3    44.2    20.2
2004 07 14    14 29.66   -30 28.9    0.474    1.274   112.2    47.6    20.3
2004 07 24    14 53.41   -32 55.4    0.489    1.260   108.5    49.9    20.4
2004 08 03    15 23.92   -35 09.6    0.506    1.253   106.0    51.1    20.5
2004 08 13    16 00.52   -36 55.0    0.528    1.254   104.4    51.5    20.6
2004 08 23    16 42.07   -37 55.8    0.555    1.262   103.5    51.2    20.7
2004 09 02    17 26.59   -38 00.0    0.590    1.278   102.9    50.3    20.9
2004 09 12    18 11.64   -37 03.4    0.634    1.300   102.5    49.1    21.0
2004 09 22    18 55.14   -35 11.9    0.688    1.329   101.9    47.6    21.2
2004 10 02    19 35.63   -32 37.8    0.754    1.364   101.1    46.1    21.4
2004 10 12    20 12.52   -29 35.3    0.831    1.403    99.7    44.5    21.6
2004 10 22    20 45.95   -26 17.1    0.921    1.446    97.9    43.0    21.9

                       (Last issue was M.P.E.C. 2004-H91)

Kyle E. Smalley              (C) Copyright 2004 MPC           M.P.E.C. 2004-J01

Read MPEC 2004-H91 Read MPEC 2004-J02


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