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  • MPEC 2015-L57 : 2015 LO21

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    M.P.E.C. 2015-L57                                Issued 2015 June 15, 14:20 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 https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                       2015 LO21
    
    Observations:
         K15L21O* C2015 06 13.48302 18 37 30.184-23 36 34.28         18.6 gLEL057F51
         K15L21O  C2015 06 13.49488 18 37 13.228-23 38 08.29         18.7 gLEL057F51
         K15L21O  C2015 06 13.50649 18 36 56.690-23 39 39.59         18.3 gLEL057F51
         K15L21O  C2015 06 13.51815 18 36 40.120-23 41 10.47         18.3 gLEL057F51
         K15L21O |C2015 06 14.20102 18 22 38.53 -24 57 47.0          18.4 VuEL057807
         K15L21O |C2015 06 14.20222 18 22 37.13 -24 57 54.4          17.4 VuEL057807
         K15L21O |C2015 06 14.21644 18 22 20.24 -24 59 20.4          17.8 VuEL057807
         K15L21O |C2015 06 14.21782 18 22 18.64 -24 59 29.3          18.0 VuEL057807
         K15L21O  C2015 06 14.28976 18 21 00.08 -25 08 38.6          18.5 RoEL057926
         K15L21O  C2015 06 14.29243 18 20 56.95 -25 08 54.5          17.6 RoEL057926
         K15L21O  C2015 06 14.29512 18 20 53.82 -25 09 10.8          17.7 RoEL057926
         K15L21O _C2015 06 14.43373618 18 22.303-25 22 04.14         17.8 RtEL057568
         K15L21O _C2015 06 14.43574818 18 20.042-25 22 15.51         17.6 RtEL057568
         K15L21O _C2015 06 14.55345618 16 09.334-25 32 46.80         17.6 RtEL057568
         K15L21O _C2015 06 14.56115218 16 00.982-25 33 26.28         17.8 RtEL057568
         K15L21O  C2015 06 15.27896 18 04 45.29 -26 29 48.2          18.3 RoEL057926
         K15L21O  C2015 06 15.28127 18 04 43.25 -26 29 57.4          16.3 RoEL057926
         K15L21O  C2015 06 15.28359 18 04 41.13 -26 30 07.7          17.0 RoEL057926
    
    Observer details:
    568 Mauna Kea.  Observers R. J. Wainscoat, D. Woodworth.  Measurers M. Micheli,
        R. J. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + CCD.
    807 Cerro Tololo.  Observers T. Linder, R. Holmes.  0.41-m f/11
        Ritchey-Chretien + CCD.
    926 Tenagra II Observatory.  Observers M. Schwartz, P. R. Holvorcem.  Measurer
        M. Schwartz.  0.41-m f/3.75 astrograph + CCD, 0.81-m f/7 Ritchey-Chretien
        + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers B. Gibson, T. Goggia, N. Primak,
        A. Schultz, M. Willman.  Measurers K. Chambers, S. Chastel, L. Denneau,
        H. Flewelling, M. Huber, E. Lilly, E. Magnier, R. Wainscoat, C. Waters,
        R. Weryk.  1.8-m Ritchey-Chretien + CCD.
    
    Orbital elements:
    2015 LO21                                                Earth MOID = 0.0098 AU
    Epoch 2015 June 27.0 TT = JDT 2457200.5                 MPC
    M  57.44290              (2000.0)            P               Q
    n   0.75871164     Peri.   63.12147     -0.81892617     -0.55804749
    a   1.1905607      Node    82.67352     +0.46689398     -0.78355856
    e   0.5818949      Incl.    7.76173     +0.33372135     -0.27316477
    P   1.30           H   23.2           G   0.15           U   8
    Residuals in seconds of arc
    150613 F51  0.3+  0.1+    150614 807  0.1+  0.3+    150614 568  0.4+  0.5-
    150613 F51  0.1+  0.0     150614 807  0.6+  0.2-    150614 568  0.0   0.3-
    150613 F51  0.0   0.1-    150614 926  0.1-  0.8+    150614 568  0.0   0.4-
    150613 F51  0.4-  0.1-    150614 926  0.6-  0.8+    150615 926  0.8-  0.1-
    150614 807  0.1-  0.2-    150614 926  0.7-  0.4+    150615 926  0.3+  0.4+
    150614 807  0.3+  0.3-    150614 568  0.3+  0.4-    150615 926  0.5+  0.1-
    
    Ephemeris:
    2015 LO21                a,e,i = 1.19, 0.58, 8                   q = 0.4978
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2015 05 16    03 41 43.1 +31 31 05   0.2579  0.7618    12.9   162.7    31.7
    ...
    2015 05 31    02 41 18.0 +31 54 32   0.09521 0.9291    26.0   151.4    26.6
    ...
    2015 06 08    22 49 19.4 +12 12 07   0.03254 1.0144    88.2    89.9    19.0
    ...
    2015 06 14    18 26 31.4 -24 36 52   0.06173 1.0757   166.4    12.9    18.1
    2015 06 15    18 08 55.4 -26 07 56   0.07078 1.0857   171.0     8.4    18.2
    2015 06 16    17 55 02.9 -27 12 21   0.08017 1.0956   174.1     5.5    18.4
    ...
    2015 06 22    17 11 16.2 -29 52 05   0.1403  1.1536   167.3    11.2    19.9
    ...
    2015 06 30    16 51 23.4 -30 41 00   0.2263  1.2270   156.1    19.6    21.4
    ...
    2015 07 15    16 44 45.8 -30 54 13   0.4018  1.3525   140.9    28.3    23.1
    
    A. U. Tomatic                (C) Copyright 2015 MPC           M.P.E.C. 2015-L57
    

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