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  • MPEC 2017-O57 : 2017 OJ7

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    M.P.E.C. 2017-O57                                Issued 2017 July 28, 01:59 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets and routine data on comets.  They are published
        on behalf of Division F 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
    
                                       2017 OJ7
    
    Observations:
         K17O07J* C2017 07 25.51328 22 07 47.238-05 17 39.52         20.9 wLEO057F51
         K17O07J  C2017 07 25.52385 22 07 45.475-05 16 24.29         20.6 wLEO057F51
         K17O07J  C2017 07 25.53443 22 07 43.707-05 15 08.90         21.1 wLEO057F51
         K17O07J KC2017 07 26.00874 22 06 33.88 -04 17 27.4                UEO057J95
         K17O07J KC2017 07 26.01685 22 06 32.52 -04 16 27.2                UEO057J95
         K17O07J KC2017 07 26.02435 22 06 31.28 -04 15 29.9          20.2 GUEO057J95
         K17O07J KC2017 07 26.26876 22 05 52.89 -03 43 59.1          20.3 RqEO057H36
         K17O07J KC2017 07 26.28445 22 05 50.15 -03 41 57.0          20.6 RqEO057H36
         K17O07J KC2017 07 26.30014 22 05 47.26 -03 39 53.3          20.3 RqEO057H36
         K17O07J KC2017 07 26.94070 22 03 59.06 -02 12 34.9                qEO057104
         K17O07J KC2017 07 26.94880 22 03 57.48 -02 11 24.5          20.5  qEO057104
         K17O07J KC2017 07 26.95318 22 03 56.56 -02 10 46.7                qEO057104
    
    Observer details:
    104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri, M. Carotta.
        Measurers P. Bacci, L. Tesi, G. Fagioli.  0.60-m f/4 reflector + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, 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.
    H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    
    Orbital elements:
    2017 OJ7                                                 Earth MOID = 0.0760 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 332.57139              (2000.0)            P               Q
    n   0.80136019     Peri.  125.00496     +0.31368723     -0.90532757
    a   1.1479356      Node   304.16722     +0.71869932     +0.42344711
    e   0.5344255      Incl.   20.24613     +0.62054138     -0.03278018
    P   1.23           H   23.3           G   0.15           U   9
    Residuals in seconds of arc
    170725 F51  0.1-  0.0     170726 J95  0.0   0.6-    170726 H36  0.2-  0.4+
    170725 F51  0.0   0.0     170726 J95  0.5+  0.0     170726 104  0.3+  1.1-
    170725 F51  0.0   0.0     170726 H36  0.6-  0.3+    170726 104  0.2+  0.3+
    170726 J95  0.3-  0.6+    170726 H36  0.6+  0.3-    170726 104  0.8-  0.7+
    
    Ephemeris:
    2017 OJ7                 a,e,i = 1.15, 0.53, 20                  q = 0.5344
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 06 28    22 17 20.9 -24 38 10   0.4787  1.3637   127.8    36.1    23.8
    ...
    2017 07 13    22 21 07.8 -18 54 34   0.2938  1.2550   139.7    31.6    22.5
    ...
    2017 07 21    22 15 46.7 -12 12 47   0.2030  1.1911   146.7    27.9    21.5
    ...
    2017 07 27    22 03 46.7 -02 03 29   0.1412  1.1404   150.3    26.1    20.5
    2017 07 28    22 00 32.0 +00 29 48   0.1318  1.1318   150.2    26.5    20.4
    2017 07 29    21 56 44.6 +03 25 21   0.1228  1.1230   149.7    27.2    20.2
    ...
    2017 08 04    21 11 53.3 +32 22 31   0.08207 1.0693   130.2    46.5    19.8
    ...
    2017 08 12    15 29 22.5 +70 44 47   0.09690 0.9944    76.0    98.5    21.8
    ...
    2017 08 27    11 32 26.8 +48 11 07   0.2362  0.8457    40.8   128.7    25.4
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-O57
    

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