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IAU Minor Planet Center

Minor Planet Center

MPEC 2001-G25: 2001 FU172

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M.P.E.C. 2001-G25                                Issued 2001 Apr. 11, 22:30 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

                                  2001 FU172

Observations:
     K01FH2U*8C2001 03 22.45328 13 47 41.29 -08 26 15.9          22.6 R      695
     K01FH2U 8C2001 03 22.46138 13 47 41.24 -08 26 15.6          22.6 R      695
     K01FH2U 8C2001 03 22.49623 13 47 41.05 -08 26 15.0          22.7 R      695
     K01FH2U 8C2001 03 23.46237 13 47 35.59 -08 25 51.9          22.6 R      695
     K01FH2U 8C2001 03 23.46890 13 47 35.56 -08 25 51.8          22.5 R      695
     K01FH2U 8C2001 03 23.47545 13 47 35.52 -08 25 51.7          22.5 R      695
     K01FH2U 8C2001 03 29.45718 13 47 00.63 -08 23 25.8                      695
     K01FH2U 8C2001 03 29.46496 13 47 00.57 -08 23 25.7                      695
     K01FH2U 8C2001 03 29.47257 13 47 00.51 -08 23 25.6          22.9 R      695
     K01FH2U 8C2001 03 30.45616 13 46 54.59 -08 23 01.3          22.6 R      695
     K01FH2U 8C2001 03 30.46279 13 46 54.56 -08 23 00.9          22.8 R      695
     K01FH2U 8C2001 03 30.46947 13 46 54.52 -08 23 00.9          22.8 R      695

Observer details:
695 Kitt Peak.  Observers D. Davis, B. Gladman, C. Neese.  Measurers
    B. Gladman, J. Kavelaars.  Mayall 3.8-m reflector + CCD.

Orbital elements:
2001 FU172
     These assumed perihelic 2:3 Neptune-resonance orbital elements keep the
object more than 14 AU from Neptune over a 14 000-year period.
Epoch 2001 Mar. 12.0 TT = JDT 2451980.5                 Marsden
M 359.95908              (2000.0)            P               Q
n   0.00397811     Peri.  174.09779     -0.88877286     +0.40150728
a  39.4474149      Node    32.56579     -0.43553682     -0.58953970
e   0.2360509      Incl.   24.24995     -0.14279523     -0.70088148
P 248              H    8.2           G   0.15
From 12 observations 2001 Mar. 22-30.

Ephemeris:
2001 FU172               a,e,i = 39.45, 0.24, 24                 q = 30.136
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2001 04 11    13 45.71   -08 18.1   29.141   30.136   173.2     0.2    23.0
2001 04 21    13 44.64   -08 13.7   29.134   30.136   175.6     0.1    23.0
2001 05 01    13 43.57   -08 09.6   29.157   30.136   166.1     0.5    23.0
2001 05 11    13 42.56   -08 05.9   29.209   30.136   156.2     0.8    23.1
2001 05 21    13 41.64   -08 02.8   29.288   30.136   146.4     1.1    23.1
2001 05 31    13 40.83   -08 00.5   29.391   30.136   136.6     1.3    23.1
2001 06 10    13 40.18   -07 59.2   29.515   30.136   126.9     1.5    23.1
2001 06 20    13 39.69   -07 58.8   29.657   30.136   117.3     1.7    23.2
2001 06 30    13 39.39   -07 59.6   29.812   30.136   107.7     1.8    23.2
2001 07 10    13 39.29   -08 01.6   29.976   30.136    98.1     1.9    23.2
2001 07 20    13 39.40   -08 04.7   30.144   30.136    88.6     1.9    23.2
2001 07 30    13 39.70   -08 08.9   30.311   30.136    79.2     1.9    23.2
2001 08 09    13 40.21   -08 14.2   30.472   30.137    69.8     1.8    23.2
2001 08 19    13 40.89   -08 20.5   30.624   30.137    60.4     1.7    23.2
2001 08 29    13 41.75   -08 27.7   30.763   30.137    51.0     1.5    23.2
2001 09 08    13 42.77   -08 35.7   30.883   30.137    41.6     1.3    23.2
2001 09 18    13 43.91   -08 44.3   30.983   30.137    32.2     1.0    23.2

Brian G. Marsden             (C) Copyright 2001 MPC           M.P.E.C. 2001-G25

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