• MPC Preparation (Info)

    • MPEC 2013-H44 : 2013 HT15

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    M.P.E.C. 2013-H44                                Issued 2013 Apr. 25, 19:58 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

                                   2013 HT15

Observations:
     K13H15T  C2013 04 16.49066 15 14 46.148-20 04 48.16         20.0 wLEH044F51
     K13H15T  C2013 04 16.50680 15 14 44.914-20 04 57.91         20.0 wLEH044F51
     K13H15T  C2013 04 16.53906 15 14 42.441-20 05 17.30         19.9 wLEH044F51
     K13H15T*QC2013 04 24.64959 15 01 02.89 -21 46 20.9          18.4 VqEH044E12
     K13H15T QC2013 04 24.67019 15 00 59.47 -21 46 39.3          19.1 VqEH044E12
     K13H15T QC2013 04 24.68969 15 00 56.09 -21 46 56.9          18.8 VqEH044E12
     K13H15T QC2013 04 24.75284 15 00 45.34 -21 47 52.6          18.4 VqEH044E12
     K13H15T QC2013 04 24.75986 15 00 44.20 -21 47 58.7                qEH044E12
     K13H15T QC2013 04 24.81253 15 00 35.52 -21 48 43.8          18.5 VqEH044E12
     K13H15T BC2013 04 25.04924 15 00 00.69 -21 53 36.2                tEH044204
     K13H15T BC2013 04 25.06004 14 59 58.78 -21 53 46.0          18.9 RtEH044204
     K13H15T |C2013 04 25.12665 14 59 50.96 -21 53 51.8          18.9 VuEH044807
     K13H15T |C2013 04 25.13127 14 59 50.14 -21 53 56.5          19.0 VuEH044807
     K13H15T KC2013 04 25.15480 14 59 45.59 -21 54 20.2          18.9 RqEH044821
     K13H15T KC2013 04 25.16231 14 59 44.24 -21 54 27.6          19.1 RqEH044821
     K13H15T KC2013 04 25.17001 14 59 42.85 -21 54 35.5          18.7 RqEH044821
     K13H15T KC2013 04 25.23986414 59 30.49 -21 55 44.7          18.4 RtEH044W85
     K13H15T KC2013 04 25.24662114 59 29.26 -21 55 51.3          18.6 RtEH044W85
     K13H15T KC2013 04 25.25337714 59 28.03 -21 55 57.7          18.7 RtEH044W85

Observer details:
204 Schiaparelli Observatory.  Observer L. Buzzi.  0.38-m f/6.8 reflector
    + CCD.
807 Cerro Tololo.  Observers T. Linder, R. Holmes.  0.41-m f/11
    Ritchey-Chretien + CCD.
821 Cordoba-Bosque Alegre.  Observers C. Colazo, R. Melia, M. Schneiter,
    P. Guzzo.  Measurer C. Colazo.  1.54-m f/4.8 reflector + CCD.
E12 Siding Spring Survey.  Observer R. H. McNaught.  Measurers A. Boattini,
    E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski,
    S. M. Larson, R. H. McNaught.  0.5-m Uppsala Schmidt + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers N. Primak, A. Schultz, S. Watters,
    T. Goggia.  Measurer PS1 Science Consortium.  1.8-m Ritchey-Chretien
    + CCD.
W85 Cerro Tololo-LCOGT A.  Observers E. J. Christensen, S. M. Larson,
    T. Lister.  Measurer T. Lister.  1.0-m f/8 Ritchey-Chretien + CCD.

Orbital elements:
2013 HT15                                           PHA, Earth MOID = 0.0267 AU
Epoch 2013 Apr. 18.0 TT = JDT 2456400.5                 MPC
M 279.83330              (2000.0)            P               Q
n   0.85204651     Peri.  315.45562     +0.93494174     +0.35418710
a   1.1019465      Node    23.82430     -0.30940705     +0.84269512
e   0.4254593      Incl.    2.96122     -0.17364108     +0.40548296
P   1.16           H   21.6           G   0.15           U   8
Residuals in seconds of arc
130416 F51  0.0   0.1-    130424 E12  0.1+  0.1-    130425 821  0.1-  0.1+
130416 F51  0.0   0.0     130424 E12  0.0   0.2-    130425 821  0.1-  0.2-
130416 F51  0.1-  0.0     130425 204  0.2+  0.3-    130425 W85  0.1-  0.2+
130424 E12  0.8-  0.2-    130425 204  0.1-  0.1+    130425 W85  0.1-  0.1+
130424 E12  0.8+  0.2+    130425 807  0.2+  0.1+    130425 W85  0.0   0.1+
130424 E12  0.3+  0.2+    130425 807  0.1+  0.1+
130424 E12  0.4-  0.0     130425 821  0.1-  0.1-

Ephemeris:
2013 HT15                a,e,i = 1.10, 0.43, 3                   q = 0.6331
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2013 03 26    15 16 43.6 -17 22 55   0.4410  1.3415   133.9    32.4    21.8
...
2013 04 10    15 19 01.0 -19 06 10   0.2955  1.2616   147.7    25.1    20.6
...
2013 04 18    15 13 05.0 -20 20 13   0.2254  1.2141   156.5    19.3    19.8
...
2013 04 24    15 02 39.1 -21 36 33   0.1765  1.1763   163.9    13.7    19.0
2013 04 25    15 00 09.3 -21 52 00   0.1687  1.1698   165.2    12.7    18.8
2013 04 26    14 57 22.3 -22 08 28   0.1609  1.1633   166.5    11.7    18.7
...
2013 05 02    14 32 03.0 -24 15 03   0.1166  1.1231   171.0     8.1    17.8
...
2013 05 10    13 03 14.4 -28 33 16   0.06588 1.0670   149.5    28.7    17.1
...
2013 05 25    06 13 42.3 -00 50 52   0.07396 0.9555    37.8   139.4    22.6

A. U. Tomatic                (C) Copyright 2013 MPC           M.P.E.C. 2013-H44

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