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  • MPEC 2017-D17 : 2017 DB

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    M.P.E.C. 2017-D17                                Issued 2017 Feb. 18, 04:58 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 DB
    
    Observations:
         K17D00B* C2017 02 16.37538 09 23 48.32 +43 16 45.8          19.6 VqED017G96
         K17D00B  C2017 02 16.37976 09 23 43.24 +43 16 50.7          19.3 VqED017G96
         K17D00B  C2017 02 16.38406 09 23 38.29 +43 16 54.6          19.5 VqED017G96
         K17D00B  C2017 02 16.38837 09 23 33.31 +43 16 58.2          20.1 VqED017G96
         K17D00B  C2017 02 16.39901 09 23 21.19 +43 17 07.5          19.6 VqED017G96
         K17D00B  C2017 02 16.39993 09 23 20.15 +43 17 08.4          20.0 VqED017G96
         K17D00B  C2017 02 16.40092 09 23 18.97 +43 17 09.5          20.9 VqED017G96
         K17D00B  C2017 02 16.40184 09 23 17.92 +43 17 09.7          20.5 VqED017G96
         K17D00B  C2017 02 16.44952209 22 23.35 +43 17 16.4          19.7 GUED017H01
         K17D00B  C2017 02 16.45430609 22 18.07 +43 17 18.4          19.5 GUED017H01
         K17D00B  C2017 02 16.46337409 22 08.09 +43 17 21.8          19.4 GUED017H01
         K17D00B  C2017 02 16.47423509 21 56.22 +43 17 25.4          19.1 GUED017H01
         K17D00B FC2017 02 16.79102 09 17 05.72 +43 26 25.4                qED017246
         K17D00B FC2017 02 16.79135 09 17 05.17 +43 26 27.9          19.6 RqED017246
         K17D00B FC2017 02 16.79166 09 17 04.81 +43 26 28.2          19.8 RqED017246
         K17D00B  C2017 02 16.80486 09 16 47.94 +43 27 05.0                qED017246
         K17D00B  C2017 02 16.80525 09 16 47.32 +43 27 07.7                qED017246
         K17D00B  C2017 02 16.80539 09 16 47.19 +43 27 08.0          19.8 RqED017246
         K17D00B  C2017 02 16.80553 09 16 46.95 +43 27 07.9          19.7 RqED017246
         K17D00B  C2017 02 16.80567 09 16 46.82 +43 27 07.1          20.0 RqED017246
         K17D00B  C2017 02 16.80581 09 16 46.62 +43 27 07.4                qED017246
         K17D00B  C2017 02 16.80595 09 16 46.45 +43 27 08.6          19.9 RqED017246
         K17D00B  C2017 02 16.80609 09 16 46.31 +43 27 09.5                qED017246
         K17D00B  C2017 02 16.80623 09 16 46.17 +43 27 10.0                qED017246
         K17D00B  C2017 02 16.80637 09 16 46.05 +43 27 10.3                qED017246
         K17D00B KC2017 02 16.94941 09 13 27.36 +43 33 09.0          20.0 VSED017595
         K17D00B KC2017 02 16.95472 09 13 27.14 +43 33 28.3          19.3 VqED017I93
         K17D00B KC2017 02 16.95675 09 13 24.13 +43 33 32.9          19.3 VqED017I93
         K17D00B KC2017 02 16.95689 09 13 16.36 +43 33 21.4          19.8 VSED017595
         K17D00B KC2017 02 16.95877 09 13 21.14 +43 33 36.7          19.6 VqED017I93
         K17D00B KC2017 02 16.97192 09 12 54.08 +43 33 45.8          19.8 VSED017595
         K17D00B KC2017 02 17.30334209 04 54.35 +43 44 12.4          19.8 VuED017H21
         K17D00B KC2017 02 17.30577909 04 50.08 +43 44 14.2          19.7 VuED017H21
         K17D00B KC2017 02 17.30781009 04 46.55 +43 44 15.9          19.5 VuED017H21
         K17D00B KC2017 02 17.30984209 04 43.00 +43 44 17.6          19.3 VuED017H21
         K17D00B KC2017 02 17.78968 08 51 22.57 +43 53 41.5                qED017J95
         K17D00B KC2017 02 17.79386 08 51 13.63 +43 53 52.3                qED017J95
         K17D00B KC2017 02 17.79715 08 51 06.48 +43 54 01.9          18.8 RqED017J95
         K17D00B KC2017 02 17.87466 08 48 13.53 +43 58 33.3          18.9 VUED017958
         K17D00B KC2017 02 17.88597 08 47 46.38 +43 58 58.5          19.3 VUED017958
         K17D00B  C2017 02 17.88735 08 47 46.09 +44 00 05.3          18.2 RtED017Z84
         K17D00B  C2017 02 17.88772 08 47 45.19 +44 00 06.2          18.3 RtED017Z84
         K17D00B  C2017 02 17.89141 08 47 36.13 +44 00 14.3          18.3 RtED017Z84
         K17D00B KC2017 02 17.89168 08 47 32.53 +43 59 10.2          20.1 VUED017958
         K17D00B  C2017 02 17.89178 08 47 35.23 +44 00 15.1          18.2 RtED017Z84
         K17D00B  C2017 02 17.89215 08 47 34.33 +44 00 15.8          18.1 RtED017Z84
         K17D00B KC2017 02 17.94317 08 45 16.99 +44 00 14.3          18.7 RqED017203
         K17D00B KC2017 02 17.95606 08 44 44.27 +44 00 24.5          18.7 RqED017203
         K17D00B KC2017 02 17.96962 08 44 09.56 +44 00 32.6          18.4 RqED017203
    
    Observer details:
    203 GiaGa Observatory.  Observers S. Foglia, G. Galli.  Measurer G. Galli.
        0.28-m f/6.8 Schmidt-Cassegrain + CCD.
    246 Klet Observatory-KLENOT.  Observers M. Tichy, J. Ticha.  Measurer M. Tichy.
        1.06-m KLENOT Telescope + CCD.
    595 Farra d'Isonzo.  Observers G. Ierman, E. Pettarin.  Measurer E. Pettarin.
        0.61-m f/4.0 reflector + CCD.
    958 Observatoire de Dax.  Observers P. Dupouy, J. B. de Vanssay.  Measurer
        P. Dupouy.  0.43-m f/2.7 reflector + CCD.
    G96 Mt. Lemmon Survey.  Observer R. G. Matheny.  Measurers E. J. Christensen,
        D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson, R. A. Kowalski,
        S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman, F. C. Shelly.
        1.5-m reflector + 10K CCD.
    H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
        Measurer W. H. Ryan.  2.4-m f/8.9 reflector + CCD.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.76-m f/3.0
        astrograph + CCD.
    I93 St Pardon de Conques.  Observer F. Losse.  0.40-m f/3.7 reflector + CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    Z84 Calar Alto-Schmidt.  Observer E. Schwab.  Measurers E. Schwab, M. Micheli,
        D. Koschny.  0.8-m f/3 Schmidt + CCD.
    
    Orbital elements:
    2017 DB                                                  Earth MOID = 0.0001 AU
    Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
    M 312.66641              (2000.0)            P               Q
    n   0.79519976     Peri.  248.84722     -0.75798371     +0.64967086
    a   1.1538567      Node   331.57248     -0.54386913     -0.67875629
    e   0.2537257      Incl.    7.02366     -0.36009313     -0.34237068
    P   1.24           H   27.0           G   0.15           U   6
    Residuals in seconds of arc
    170216 G96  0.6+  0.1+    170216 246  0.0   0.4+    170217 H21  0.1-  0.4+
    170216 G96  0.1+  0.6+    170216 246  0.6-  0.1-    170217 J95  0.4-  0.2+
    170216 G96  0.1-  0.3+    170216 246  0.0   1.3-    170217 J95  0.2+  0.7-
    170216 G96  0.5-  0.1-    170216 246  0.2-  1.4-    170217 J95  0.2-  0.2-
    170216 G96  0.2+  0.1+    170216 246  0.1-  0.6-    170217 958  1.6-  0.2-
    170216 G96  0.3+  0.2+    170216 246  0.3+  0.1-    170217 958  1.0-  0.4+
    170216 G96  0.2-  0.5+    170216 246  0.8+  0.0     170217 Z84  0.2-  0.2+
    170216 G96  0.2-  0.0     170216 246  1.5+  0.1-    170217 Z84  0.2-  0.3+
    170216 H01  0.1-  0.1-    170216 595  0.0   0.3+    170217 Z84  0.4-  0.2+
    170216 H01  0.1-  0.1-    170216 I93  0.1+  0.1-    170217 958  0.9-  0.3+
    170216 H01  0.1-  0.1-    170216 I93  0.0   0.3+    170217 Z84  0.3-  0.2+
    170216 H01  0.2-  0.1-    170216 595  0.3+  0.2-    170217 Z84  0.3-  0.1+
    170216 246  0.5+  0.8-    170216 I93  0.0   0.0     170217 203  0.6-  0.3+
    170216 246  0.9-  0.7+    170216 595  0.0   0.1+    170217 203  0.1-  0.3+
    170216 246  0.5-  0.1+    170217 H21  0.3-  0.2+    170217 203  0.0   0.4+
    170216 246  0.7+  1.1-    170217 H21  0.4-  0.1+
    170216 246  0.5-  0.5+    170217 H21  0.1-  0.2+
    
    Ephemeris:
    2017 DB                  a,e,i = 1.15, 0.25, 7                   q = 0.8611
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 01 19    10 14 13.9 +37 51 25   0.1624  1.1234   146.9    28.6    24.6
    ...
    2017 02 03    10 14 43.2 +40 02 07   0.08397 1.0607   152.3    25.6    22.9
    ...
    2017 02 11    10 02 18.2 +41 27 47   0.04557 1.0274   152.1    26.7    21.6
    ...
    2017 02 17    09 12 25.3 +43 35 00   0.01783 1.0031   146.7    32.7    19.6
    2017 02 18    08 43 11.7 +44 01 28   0.01338 0.9991   143.1    36.4    19.1
    2017 02 19    07 46 04.1 +43 30 18   0.0091670.9951   135.4    44.2    18.5
    ...
    2017 02 25    23 28 28.5 -34 42 32   0.02062 0.9718    28.6   150.8    27.1
    ...
    2017 03 05    22 49 59.9 -37 59 08   0.05794 0.9431    32.0   146.2    28.4
    ...
    2017 03 20    22 40 53.2 -36 26 57   0.1324  0.8990    40.3   134.2    28.5
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-D17
    

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