[Iaude] MPEC B123: COMET P/2010 J5 = 2017 B2 (McNaught)

[mpec at si.edu]

M.P.E.C. 2017-B123                               Issued 2017 Jan. 29, 23:34 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 at CFA.HARVARD.EDU
            URL http://www.minorplanetcenter.net/    ISSN 1523-6714


                     COMET P/2010 J5 = 2017 B2 (McNaught)
 
Observations:
    PK17B020 KC2017 01 26.51769 11 44 35.37 +11 34 39.5          22.5 NoEB123291
    PK17B020 KC2017 01 26.52517 11 44 35.24 +11 34 40.5                oEB123291
    PK17B020 KC2017 01 26.53265 11 44 35.19 +11 34 41.9          22.4 NoEB123291
    PK17B020 KC2017 01 29.49971 11 43 59.36 +11 44 11.9          22.2 NoEB123291
    PK17B020 KC2017 01 29.51094 11 43 59.15 +11 44 14.8          22.1 NoEB123291
    PK17B020 KC2017 01 29.52216 11 43 59.08 +11 44 16.3          21.8 NoEB123291
 
Observer details:
291 LPL/Spacewatch II.  Observer J. V. Scotti.  1.8-m f/2.7 reflector + CCD.
 
Orbital elements:
    P/2010 J5 (McNaught)
Epoch 2009 Nov. 25.0 TT = JDT 2455160.5
T 2009 Nov. 6.68711 TT                                  MPCW
q   3.7487176            (2000.0)            P               Q
n   0.11831322     Peri.  150.39020     -0.80473495     +0.58206380
a   4.1094200      Node    65.66615     -0.56670680     -0.69475551
e   0.0877745      Incl.    7.35436     -0.17676273     -0.42251215
P   8.33
>From 103 observations 2005 Nov. 1-2017 Jan. 29, mean residual 0".5.

    P/2010 J5 (McNaught)
Epoch 2018 Feb. 11.0 TT = JDT 2458160.5
T 2018 Jan. 29.25380 TT                                 MPCW
q   3.7508721            (2000.0)            P               Q
n   0.11768068     Peri.  146.69923     -0.84188253     +0.52690528
a   4.1241325      Node    65.52121     -0.51889139     -0.73096463
e   0.0905064      Incl.    7.36319     -0.14827515     -0.43366063
P   8.38
>From 103 observations 2005 Nov. 1-2017 Jan. 29, mean residual 0".5.

    P/2010 J5 (McNaught)
Epoch 2026 Mar. 21.0 TT = JDT 2461120.5
T 2026 Mar. 18.03954 TT                                 MPCW
q   3.6944624            (2000.0)            P               Q
n   0.11949260     Peri.  140.13864     -0.89825990     +0.42375150
a   4.0823357      Node    65.29754     -0.42877420     -0.78697480
e   0.0950126      Incl.    7.36530     -0.09634230     -0.44844769
P   8.25
>From 103 observations 2005 Nov. 1-2017 Jan. 29, mean residual 0".5.

    P/2010 J5 (McNaught)
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5
T 2018 Feb. 8.61316 TT                                  MPCW
q   3.7488275            (2000.0)            P               Q
n   0.11827509     Peri.  148.05402     -0.82829396     +0.54802978
a   4.1103032      Node    65.61454     -0.53723140     -0.71773160
e   0.0879438      Incl.    7.35440     -0.15909598     -0.42956339
P   8.33
>From 103 observations 2005 Nov. 1-2017 Jan. 29, mean residual 0".5.

Ephemeris:
    P/2010 J5 (McNaught)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2016 12 30    11 42 58.8 +10 46 06   3.4919  3.8875   106.5    14.0  22.6
...
2017 01 14    11 45 26.5 +11 03 11   3.2774  3.8783   121.1    12.5  22.5
...
2017 01 22    11 45 12.6 +11 21 37   3.1748  3.8734   129.3    11.3  22.4
...
2017 01 28    11 44 18.7 +11 39 19   3.1052  3.8699   135.5    10.3  22.3
2017 01 29    11 44 06.1 +11 42 34   3.0942  3.8693   136.6    10.1  22.3
2017 01 30    11 43 52.5 +11 45 53   3.0835  3.8687   137.6     9.9  22.3
...
2017 02 05    11 42 10.3 +12 07 17   3.0239  3.8652   144.0     8.6  22.3
...
2017 02 13    11 39 02.8 +12 38 54   2.9577  3.8605   152.5     6.8  22.2
...
2017 02 28    11 31 03.5 +13 41 56   2.8801  3.8521   167.1     3.3  22.2

Gareth V. Williams           (C) Copyright 2017 MPC           M.P.E.C. 2017-B123