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  • MPEC 2013-M07 : 2013 LM31

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    M.P.E.C. 2013-M07                                Issued 2013 June 17, 13:55 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.
    
                 Prepared using the Tamkin Foundation Computer Network
    
                                  MPC@CFA.HARVARD.EDU
                URL http://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                       2013 LM31
    
    Observations:
         K13L31M* C2013 06 15.24685 16 31 15.27 -19 15 39.0          18.9 VuEM007703
         K13L31M  C2013 06 15.25417 16 31 13.94 -19 15 36.6          19.5 VuEM007703
         K13L31M  C2013 06 15.26156 16 31 12.75 -19 15 32.5          18.5 VuEM007703
         K13L31M  C2013 06 15.26899 16 31 11.28 -19 15 32.7          18.5 VuEM007703
         K13L31M  C2013 06 15.30646 16 31 04.72 -19 15 22.4          18.6 VuEM007703
         K13L31M  C2013 06 15.30829 16 31 04.33 -19 15 21.4          18.7 VuEM007703
         K13L31M  C2013 06 15.31013 16 31 04.11 -19 15 21.4          18.5 VuEM007703
         K13L31M  C2013 06 15.31197 16 31 03.72 -19 15 20.0          18.8 VuEM007703
         K13L31M `C2013 06 15.64890216 30 06.55 -19 13 22.7          19.2 RqEM007D90
         K13L31M `C2013 06 15.65375016 30 05.70 -19 13 21.4          19.2 RqEM007D90
         K13L31M `C2013 06 15.65858816 30 04.85 -19 13 19.9          19.0 RqEM007D90
         K13L31M QC2013 06 15.72967 16 29 52.23 -19 12 57.7                qEM007E12
         K13L31M KC2013 06 15.91016 16 29 22.84 -19 12 39.2                qEM007104
         K13L31M KC2013 06 15.91384 16 29 22.16 -19 12 37.5          19.3 RqEM007104
         K13L31M KC2013 06 15.91753 16 29 21.51 -19 12 37.1          19.5 RqEM007104
         K13L31M FC2013 06 15.95176 16 29 15.43 -19 12 28.0          19.5 RtEM007204
         K13L31M VC2013 06 15.96338 16 29 13.37 -19 12 23.2                tEM007204
         K13L31M |C2013 06 16.00956 16 29 06.85 -19 11 42.1          18.6 VuEM007807
         K13L31M |C2013 06 16.01167 16 29 06.47 -19 11 41.6          18.5 VuEM007807
         K13L31M |C2013 06 16.01377 16 29 06.09 -19 11 41.0          18.8 VuEM007807
         K13L31M |C2013 06 16.01588 16 29 05.72 -19 11 40.2          18.6 VuEM007807
         K13L31M |C2013 06 16.01798 16 29 05.34 -19 11 39.9          18.6 VuEM007807
         K13L31M  C2013 06 16.26323 16 28 21.90 -19 10 56.1          19.1 VuEM007G96
         K13L31M  C2013 06 16.26901 16 28 20.82 -19 10 54.8          19.2 VuEM007G96
         K13L31M  C2013 06 16.27446 16 28 19.81 -19 10 53.0          19.2 VuEM007G96
         K13L31M  C2013 06 16.27990 16 28 18.84 -19 10 51.5          19.2 VuEM007G96
         K13L31M  C2013 06 16.44130 16 27 51.78 -19 09 39.2                oEM007E23
         K13L31M  C2013 06 16.44685 16 27 50.74 -19 09 38.0          19.5 VoEM007E23
         K13L31M  C2013 06 16.48428 16 27 43.91 -19 09 26.9          19.8 VoEM007E23
         K13L31M  C2013 06 16.49123 16 27 42.61 -19 09 25.7          19.5 VoEM007E23
         K13L31M  C2013 06 16.49817 16 27 41.38 -19 09 22.9          19.5 VoEM007E23
         K13L31M  C2013 06 16.55680 16 27 31.03 -19 09 32.6          19.1 RoEM007300
         K13L31M  C2013 06 16.56010 16 27 30.40 -19 09 30.9          19.2 RoEM007300
         K13L31M  C2013 06 16.65790 16 27 12.43 -19 09 01.6          19.8 RoEM007300
         K13L31M KC2013 06 16.90403 16 26 29.73 -19 07 53.3                qEM007595
         K13L31M KC2013 06 16.92522 16 26 25.85 -19 07 47.1                qEM007595
         K13L31M KC2013 06 17.01924 16 26 10.06 -19 06 48.9          19.3 VqEM007I39
         K13L31M KC2013 06 17.04515 16 26 05.35 -19 06 43.1          19.5 VqEM007I39
         K13L31M KC2013 06 17.07765 16 25 59.27 -19 06 33.3          19.6 VqEM007I39
         K13L31M  C2013 06 17.21693 16 25 34.46 -19 06 17.7          19.3 VuEM007G96
         K13L31M  C2013 06 17.22161 16 25 33.56 -19 06 16.3          19.1 VuEM007G96
         K13L31M  C2013 06 17.22619 16 25 32.73 -19 06 15.1          19.2 VuEM007G96
    
    Observer details:
    104 San Marcello Pistoiese.  Observer P. Bacci.  Measurers P. Bacci, L. Tesi,
        G. Fagioli.  0.60-m f/4 reflector + CCD.
    204 Schiaparelli Observatory.  Observer L. Buzzi.  0.36-m f/7.1 reflector
        + CCD.
    300 Bisei Spaceguard Center--BATTeRS.  Observers S. Okumura, T. Sakamoto.
        1.0-m f/3.0 reflector + CCD.
    595 Farra d'Isonzo.  Observer E. Pettarin.  0.40-m f/4.5 reflector + CCD.
    703 Catalina Sky Survey.  Observer A. Boattini.  Measurers A. Boattini,
        E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, J. A. Johnson,
        R. A. Kowalski, S. M. Larson, R. H. McNaught, F. C. Shelly.  0.68-m
        Schmidt + CCD.
    807 Cerro Tololo.  Observers T. Linder, R. Holmes.  0.41-m f/11
        Ritchey-Chretien + CCD.
    D90 RAS Observatory, Moorook.  Observer K. Hills.  0.41-m f/9 Ritchey-Chretien
        + CCD.
    E12 Siding Spring Survey.  Observer R. H. McNaught.  0.5-m Uppsala Schmidt
        + CCD.
    E23 Arcadia.  Observer A. Hidas.  0.35-m Schmidt-Cassegrain + CCD.
    G96 Mt. Lemmon Survey.  Observers J. A. Johnson, R. A. Kowalski.  Measurers
        A. Boattini, E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill,
        J. A. Johnson, R. A. Kowalski, S. M. Larson, R. H. McNaught, F. C. Shelly.
        1.5-m reflector + CCD.
    I39 Observatorio Cruz del Sur, San Justo.  Observers A. Chapman, N. D. Diaz.
        0.20-m f/4 reflector + CCD.
    
    Orbital elements:
    2013 LM31                                           PHA, Earth MOID = 0.0037 AU
    Epoch 2013 Apr. 18.0 TT = JDT 2456400.5                 MPC
    M 322.30670              (2000.0)            P               Q
    n   0.27471396     Peri.  251.34030     +0.99476444     +0.09760162
    a   2.3435932      Node   103.04994     -0.07806199     +0.91701344
    e   0.6653635      Incl.    1.78193     -0.06595483     +0.38673024
    P   3.59           H   20.0           G   0.15           U   7
    Residuals in seconds of arc
    130615 703  0.2+  0.6-    130615 104  0.2-  0.6-    130616 E23  0.0   0.4+
    130615 703  0.3-  0.2-    130615 204  0.2-  0.8-    130616 E23  0.4-  0.3-
    130615 703  1.3+  1.9+    130615 204  0.1+  0.6+    130616 E23  0.3+  0.6+
    130615 703  0.9-  0.3-    130616 807  0.1+  0.2-    130616 300  0.1+  0.1-
    130615 703  0.1-  0.4-    130616 807  0.1+  0.2-    130616 300  0.2-  0.6+
    130615 703  1.0-  0.1+    130616 807  0.0   0.1-    130616 300  0.1+  0.8+
    130615 703  0.5+  0.4-    130616 807  0.1+  0.2+    130616 595  0.9-  0.4+
    130615 703  0.5-  0.5+    130616 807  0.0   0.0     130616 595  0.4-  0.3+
    130615 D90  0.5-  0.1-    130616 G96  0.1+  0.1+    130617 I39  0.7-  0.6+
    130615 D90  0.3-  0.3-    130616 G96  0.2-  0.2-    130617 I39  0.7+  0.8-
    130615 D90  0.2-  0.2-    130616 G96  0.4-  0.0     130617 I39  0.5+  0.2-
    130615 E12  0.3+  0.3+    130616 G96  0.1-  0.1-    130617 G96  0.0   0.1-
    130615 104  0.1-  0.7-    130616 E23  0.3+  0.2-    130617 G96  0.3-  0.1-
    130615 104  0.4-  0.0     130616 E23  0.1-  0.5-    130617 G96  0.2+  0.2-
    
    Ephemeris:
    2013 LM31                a,e,i = 2.34, 0.67, 2                   q = 0.7843
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2013 05 18    17 17 01.8 -20 26 04   0.6713  1.6502   157.0    13.9    21.0
    ...
    2013 06 02    17 00 24.5 -19 59 14   0.4925  1.5052   174.7     3.6    19.7
    ...
    2013 06 10    16 44 38.3 -19 36 09   0.4133  1.4262   172.7     5.2    19.3
    ...
    2013 06 16    16 29 07.5 -19 11 52   0.3615  1.3664   163.6    12.2    19.2
    2013 06 17    16 26 12.9 -19 07 03   0.3535  1.3564   161.9    13.4    19.2
    2013 06 18    16 23 12.6 -19 01 59   0.3456  1.3464   160.3    14.8    19.2
    ...
    2013 06 24    16 03 06.9 -18 25 28   0.3018  1.2863   149.8    23.4    19.1
    ...
    2013 07 02    15 30 22.4 -17 15 10   0.2519  1.2064   134.4    37.0    18.9
    ...
    2013 07 17    14 05 32.2 -13 03 43   0.1805  1.0606    99.3    71.0    18.9
    
    A. U. Tomatic                (C) Copyright 2013 MPC           M.P.E.C. 2013-M07
    

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