• Processing (Info)

    • MPEC 2017-M09 : COMET C/2015 ER61-B (PANSTARRS)

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    M.P.E.C. 2017-M09                                Issued 2017 June 18, 15:27 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

                        COMET C/2015 ER61-B (PANSTARRS)

Observations:
    CK15E61b KC2017 06 13.41128 01 39 00.66 +15 31 08.5          16.5 NQEM009G39
    CK15E61b KC2017 06 13.41483 01 39 01.30 +15 31 12.1          16.2 NQEM009G39
    CK15E61b KC2017 06 15.41804 01 45 00.40 +16 01 57.7          16.7 NQEM009G39
    CK15E61b KC2017 06 15.42232 01 45 01.24 +16 02 00.4          16.6 NQEM009G39
    CK15E61b KC2017 06 16.40279 01 47 54.13 +16 16 33.4          16.9 NQEM009G39
    CK15E61b KC2017 06 16.40611 01 47 54.74 +16 16 36.8          16.4 NQEM009G39
    CK15E61b KC2017 06 16.41035 01 47 55.34 +16 16 39.8          16.6 NQEM009G39
    CK15E61b KC2017 06 16.41258 01 47 55.87 +16 16 41.8          16.7 NQEM009G39
    CK15E61b KC2017 06 17.40299 01 50 48.59 +16 31 03.6          16.0 NQEM009G39
    CK15E61b KC2017 06 17.40674 01 50 49.27 +16 31 07.1          15.7 NQEM009G39
    CK15E61b KC2017 06 17.41148 01 50 50.06 +16 31 10.7          15.8 NQEM009G39
    CK15E61b  C2017 06 17.44641 01 50 56.11 +16 31 34.0          15.4 TqEM009926
    CK15E61b  C2017 06 17.45247 01 50 57.22 +16 31 39.7          15.4 TqEM009926
    CK15E61b  C2017 06 17.46001 01 50 58.49 +16 31 46.3          15.4 TqEM009926

Observer details:
926 Tenagra II Observatory.  Observers G. Masi, M. Schwartz.  Measurers
    G. Masi, P. Holvorcem.  0.41-m f/3.75 reflector + CCD.
G39 ROAD, San Pedro de Atacama.  Observers F.-J. Hambsch, E. Bryssinck,
    J. Hambsch.  Measurer E. Bryssinck.  0.4-m f/6.8 astrograph + CCD, 0.4-m
    f/6.8 reflector + CCD.

Orbital elements:
    C/2015 ER61-B (PANSTARRS)
T 2017 May 10.23527 TT                                  MPCW
q   1.0303388            (2000.0)            P               Q
                   Peri.   67.50467     +0.53399732     +0.84064480
                   Node   235.08441     -0.81056873     +0.47861938
e   1.0            Incl.    6.32591     -0.24046870     +0.25345573
From 14 observations 2017 June 13-17.

Ephemeris:
    C/2015 ER61-B (PANSTARRS)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2017 05 19    00 11 02.0 +06 45 07   1.2670  1.0410    52.9    50.8        16.0
...
2017 06 03    01 05 42.3 +12 27 06   1.3713  1.1053    52.7    46.8        16.2
...
2017 06 11    01 31 37.1 +14 52 07   1.4273  1.1598    53.5    44.7        16.3
...
2017 06 17    01 49 38.1 +16 25 11   1.4675  1.2080    54.6    43.3        16.4
2017 06 18    01 52 31.3 +16 39 28   1.4739  1.2166    54.8    43.1        16.4
2017 06 19    01 55 22.5 +16 53 25   1.4803  1.2253    55.1    42.8        16.5
...
2017 06 25    02 11 48.3 +18 10 17   1.5168  1.2801    56.6    41.6        16.6
...
2017 07 03    02 31 52.9 +19 35 55   1.5603  1.3593    59.3    40.0        16.7
...
2017 07 18    03 03 59.9 +21 32 36   1.6231  1.5210    65.8    37.5        17.0

Gareth V. Williams           (C) Copyright 2017 MPC           M.P.E.C. 2017-M09

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