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Minor Planet Center

MPEC 2009-Q21 : 2009 QL2

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M.P.E.C. 2009-Q21                                Issued 2009 Aug. 19, 00:43 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

                                   2009 QL2

Observations:
     K09Q02L* C2009 08 18.36738 00 11 03.76 +16 31 16.1          19.2 V EQ021703
     K09Q02L  C2009 08 18.37406 00 11 02.40 +16 31 46.1          18.9 V EQ021703
     K09Q02L  C2009 08 18.38067 00 11 01.10 +16 32 18.2          19.3 V EQ021703
     K09Q02L  C2009 08 18.38724 00 10 59.77 +16 32 47.7          19.3 V EQ021703
     K09Q02L  C2009 08 18.41778 00 10 53.86 +16 35 06.1          18.8 V EQ021703
     K09Q02L  C2009 08 18.42523 00 10 52.42 +16 35 40.2          19.0 V EQ021703
     K09Q02L  C2009 08 18.43286 00 10 50.88 +16 36 14.5          19.4 V EQ021703
     K09Q02L  C2009 08 18.44053 00 10 49.36 +16 36 49.6          19.4 V EQ021703
     K09Q02L  C2009 08 18.47426 00 10 42.78 +16 39 22.0          19.3 V EQ021703
     K09Q02L  C2009 08 18.47615 00 10 42.45 +16 39 30.3          19.2 V EQ021703
     K09Q02L  C2009 08 18.47804 00 10 42.13 +16 39 39.2          19.1 V EQ021703
     K09Q02L  C2009 08 18.47995 00 10 41.70 +16 39 47.9          19.3 V EQ021703
     K09Q02L  C2009 08 18.88690 00 09 32.27 +17 09 59.0          19.6 V EQ021151
     K09Q02L  C2009 08 18.91472 00 09 27.26 +17 12 04.5          18.8 R EQ021B04
     K09Q02L  C2009 08 18.91698 00 09 26.84 +17 12 14.7          19.1 R EQ021B04
     K09Q02L  C2009 08 18.92238 00 09 25.65 +17 12 36.7          19.2 V EQ021198
     K09Q02L  C2009 08 18.92314 00 09 25.56 +17 12 39.8          19.7 V EQ021198
     K09Q02L  C2009 08 18.92442 00 09 25.47 +17 12 47.9          19.0 R EQ021B04
     K09Q02L  C2009 08 18.92514 00 09 25.35 +17 12 52.1          18.8 R EQ021147
     K09Q02L  C2009 08 18.92695 00 09 24.83 +17 12 57.5          19.4 V EQ021198
     K09Q02L  C2009 08 18.92889 00 09 24.63 +17 13 08.3          18.5 R EQ021147
     K09Q02L  C2009 08 18.93265 00 09 23.91 +17 13 24.8          19.0 R EQ021147
     K09Q02L  C2009 08 18.93405 00 09 23.53 +17 13 29.1          19.4 V EQ021198
     K09Q02L  C2009 08 18.93937 00 09 22.71 +17 13 56.1          19.1 C EQ021160
     K09Q02L  C2009 08 18.94214 00 09 22.15 +17 14 09.2          19.2 C EQ021160
     K09Q02L  C2009 08 18.94461 00 09 21.69 +17 14 20.3          19.0 C EQ021160
     K09Q02L  C2009 08 18.94724 00 09 21.17 +17 14 31.8          19.0 C EQ021160
     K09Q02L  C2009 08 18.94742 00 09 21.03 +17 14 30.7          19.1 C EQ021235
     K09Q02L  C2009 08 18.95017 00 09 20.63 +17 14 44.7          19.0 C EQ021160
     K09Q02L  C2009 08 18.95250 00 09 20.21 +17 14 54.9          19.2 C EQ021160
     K09Q02L  C2009 08 18.96311 00 09 18.08 +17 15 40.3          19.4 C EQ021235

Observer details:
147 Osservatorio Astronomico di Suno.  Observers P. Concari, D. Crespi,
    S. Foglia, G. Galli, S. Minuto, V. Sacco, M. Tombelli.  Measurer S. Foglia.
    0.40-m f/4 reflector + CCD.
151 Eschenberg Observatory, Winterthur.  Observer M. Griesser.  0.40-m f/5.9
    Hypergraph + CCD.
160 Castelmartini.  Observers P. Camilleri, E. Guido, E. Prosperi, G. Sostero.
    Measurer E. Prosperi.  0.35-m f/10 Schmidt-Cassegrain + CCD.
198 Wildberg.  Observer R. Apitzsch.  0.35-m f/4.2 reflector + CCD.
235 CAST Observatory, Talmassons.  Observer R. Ligustri.  0.35-m f/6 reflector
    + CCD.
703 Catalina Sky Survey.  Observer R. E. Hill.  Measurers E. C. Beshore,
    A. Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer, R. E. Hill,
    R. A. Kowalski, S. M. Larson, R. H. McNaught.  0.68-m Schmidt + CCD.
B04 OAVdA, Saint-Barthelemy.  Observer A. Carbognani.  0.81-m f/7.9 reflector
    + CCD.

Orbital elements:
2009 QL2                                                 Earth MOID = 0.0928 AU
Epoch 2009 Aug. 17.0 TT = JDT 2455060.5                 MPC
M   9.26961              (2000.0)            P               Q
n   0.26756943     Peri.  329.90101     +0.42195806     +0.89036919
a   2.3851282      Node   324.25034     -0.76250822     +0.24657783
e   0.5524817      Incl.   17.00473     -0.49044124     +0.38267751
P   3.68           H   21.0           G   0.15
From 31 observations 2009 Aug. 18.  E-assumed.

Ephemeris:
2009 QL2                 a,e,i = 2.39, 0.55, 17                  q = 1.0674
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2009 08 17    00 15.15   +14 43.3    0.186    1.148   133.5    39.8    19.2
2009 08 27    23 46.55   +25 02.0    0.234    1.197   139.3    33.4    19.6
2009 09 06    23 22.67   +30 06.1    0.293    1.254   142.9    29.0    20.1
2009 09 16    23 05.15   +31 54.7    0.361    1.317   144.7    26.2    20.6
2009 09 26    22 54.55   +31 50.6    0.439    1.384   144.4    24.9    21.1
2009 10 06    22 50.45   +30 50.0    0.528    1.454   142.4    24.8    21.6

Timothy B. Spahr             (C) Copyright 2009 MPC           M.P.E.C. 2009-Q21

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