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  • MPEC 2017-U306: 2017 UL44

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    M.P.E.C. 2017-U306                               Issued 2017 Oct. 31, 22:18 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 UL44
    
    Observations:
         K17U44L* C2017 10 29.29048 03 55 07.56 -08 37 35.5          18.4 GUEU306703
         K17U44L  C2017 10 29.29615 03 55 02.16 -08 36 34.8          18.6 GUEU306703
         K17U44L  C2017 10 29.30314 03 54 55.42 -08 35 19.7          18.4 GUEU306703
         K17U44L  C2017 10 29.30877 03 54 50.08 -08 34 19.7                UEU306703
         K17U44L  C2017 10 29.33388603 54 25.38 -08 29 50.3          18.3 GUEU306H01
         K17U44L  C2017 10 29.34243 03 54 17.72 -08 28 15.7                UEU306703
         K17U44L  C2017 10 29.34315203 54 16.41 -08 28 09.3          18.5 GUEU306H01
         K17U44L  C2017 10 29.34434 03 54 15.79 -08 27 53.4          18.2 GUEU306703
         K17U44L  C2017 10 29.35035303 54 09.43 -08 26 50.6          18.4 GUEU306H01
         K17U44L  C2017 10 29.35498903 54 04.93 -08 25 59.9          18.7 GUEU306H01
         K17U44L HC2017 10 29.36798 03 53 52.92 -08 23 33.6          18.6 RoEU306691
         K17U44L HC2017 10 29.36893 03 53 51.96 -08 23 22.6          18.5 RoEU306691
         K17U44L HC2017 10 29.36988 03 53 51.05 -08 23 12.2          19.1 RoEU306691
         K17U44L KC2017 10 29.44008303 52 51.58 -08 07 04.6          18.9 RUEU306474
         K17U44L KC2017 10 29.44132003 52 50.38 -08 06 50.8          19.2 RUEU306474
         K17U44L KC2017 10 29.44255703 52 49.18 -08 06 36.7          19.2 RUEU306474
         K17U44L KC2017 10 29.44379403 52 47.95 -08 06 22.8          18.5 RUEU306474
         K17U44L KC2017 10 29.48826303 52 04.54 -07 58 02.8          18.4 RUEU306474
         K17U44L KC2017 10 29.48900503 52 03.80 -07 57 54.6          18.5 RUEU306474
         K17U44L KC2017 10 29.48974803 52 03.06 -07 57 46.4          19.3 RUEU306474
         K17U44L KC2017 10 29.49049003 52 02.37 -07 57 37.4          18.5 RUEU306474
         K17U44L KC2017 10 29.57249 03 50 43.05 -07 42 17.8          18.8 VqEU306E23
         K17U44L KC2017 10 29.57944 03 50 35.99 -07 40 57.2          19.3 VqEU306E23
         K17U44L KC2017 10 29.58638 03 50 28.94 -07 39 36.8          19.1 VqEU306E23
         K17U44L KC2017 10 29.90901 03 45 04.80 -06 37 26.7          19.0 VqEU306C43
         K17U44L KC2017 10 29.91125 03 45 02.38 -06 36 58.0          18.8 VqEU306C43
         K17U44L KC2017 10 29.91347 03 44 59.99 -06 36 30.3          19.0 VqEU306C43
         K17U44L KC2017 10 29.91568 03 44 57.58 -06 36 02.4          18.8 VqEU306C43
         K17U44L KC2017 10 30.17385 03 40 09.13 -05 39 20.0                UEU306J95
         K17U44L KC2017 10 30.17603 03 40 06.62 -05 38 50.2                UEU306J95
         K17U44L KC2017 10 30.17833 03 40 03.98 -05 38 18.8          18.3 GUEU306J95
         K17U44L  C2017 10 30.27165 03 38 27.76 -05 16 09.9          18.6 RuEU306926
         K17U44L  C2017 10 30.27325 03 38 25.83 -05 15 47.6          18.6 RuEU306926
         K17U44L  C2017 10 30.27484 03 38 23.91 -05 15 25.5          18.9 RuEU306926
         K17U44L  C2017 10 30.27644 03 38 21.97 -05 15 03.0          18.8 RuEU306926
         K17U44L  C2017 10 30.27805 03 38 20.06 -05 14 40.4          18.9 RuEU306926
         K17U44L  C2017 10 30.27965 03 38 18.15 -05 14 18.2          18.8 RuEU306926
         K17U44L  C2017 10 30.45403 03 34 43.26 -04 32 28.6          17.7 RoEU306926
         K17U44L  C2017 10 30.45492 03 34 42.15 -04 32 15.5          17.7 RoEU306926
         K17U44L  C2017 10 30.45582 03 34 41.03 -04 32 02.3          17.6 RoEU306926
         K17U44L  C2017 10 30.65068 03 30 48.30 -03 43 03.7          18.1 RrEU306P93
         K17U44L  C2017 10 30.65195 03 30 46.62 -03 42 44.3          18.6 RrEU306P93
         K17U44L  C2017 10 30.65450 03 30 43.26 -03 42 05.0          18.8 RrEU306P93
         K17U44L  C2017 10 30.65577 03 30 41.57 -03 41 44.3          18.2 RrEU306P93
         K17U44L KC2017 10 30.85137 03 26 34.38 -02 50 03.2          17.6 RoEU306K51
         K17U44L KC2017 10 30.85380 03 26 31.08 -02 49 23.3          17.4 RoEU306K51
         K17U44L KC2017 10 30.85626 03 26 27.73 -02 48 42.9          17.2 RoEU306K51
         K17U44L KC2017 10 30.92310 03 24 55.74 -02 30 13.4          17.5  UEU306104
         K17U44L KC2017 10 30.92610 03 24 51.58 -02 29 23.4          17.5  UEU306104
         K17U44L KC2017 10 30.92909 03 24 47.39 -02 28 33.1          18.1  UEU306104
         K17U44L KC2017 10 30.93509 03 24 38.96 -02 26 52.8          18.5  UEU306104
         K17U44L KC2017 10 30.93844 03 24 34.39 -02 25 57.1          17.9 RUEU306160
         K17U44L KC2017 10 30.94119 03 24 30.48 -02 25 10.4          18.2 RUEU306160
         K17U44L KC2017 10 30.94258 03 24 28.45 -02 24 47.2                UEU306160
         K17U44L KC2017 10 30.94396 03 24 26.58 -02 24 24.7          18.1 RUEU306160
         K17U44L KC2017 10 30.94672 03 24 22.57 -02 23 37.2                UEU306160
         K17U44L KC2017 10 30.97961 03 23 34.52 -02 14 30.1          18.0  oEU306K88
         K17U44L KC2017 10 30.98166 03 23 31.58 -02 13 55.3          17.9  oEU306K88
         K17U44L KC2017 10 30.98372 03 23 28.66 -02 13 20.2          17.8  oEU306K88
         K17U44L KC2017 10 31.14866 03 19 44.58 -01 25 03.9          18.3 RuEU306850
         K17U44L KC2017 10 31.15641 03 19 33.14 -01 22 46.2          17.6 RuEU306850
         K17U44L KC2017 10 31.16404 03 19 21.69 -01 20 29.2          17.7 RuEU306850
         K17U44L KC2017 10 31.17167 03 19 10.34 -01 18 13.4          18.2 RuEU306850
         K17U44L KC2017 10 31.17930 03 18 58.86 -01 15 57.1          17.7 RuEU306850
         K17U44L KC2017 10 31.19734903 18 31.85 -01 10 44.2          18.3 VuEU306H21
         K17U44L KC2017 10 31.20016503 18 27.61 -01 09 53.5          18.3 VuEU306H21
         K17U44L KC2017 10 31.20450003 18 21.08 -01 08 35.4          18.2 VuEU306H21
         K17U44L  C2017 10 31.37721 03 13 57.34 -00 15 10.0          17.6 GUEU306G96
         K17U44L  C2017 10 31.37961 03 13 53.52 -00 14 24.4          17.9 GUEU306G96
         K17U44L  C2017 10 31.38202 03 13 49.72 -00 13 39.3          17.9 GUEU306G96
         K17U44L  C2017 10 31.38441 03 13 45.89 -00 12 53.7          18.0 GUEU306G96
         K17U44L  C2017 10 31.41942 03 12 50.05 -00 01 45.4          17.8 RoEU306926
         K17U44L  C2017 10 31.42039 03 12 48.49 -00 01 26.8          18.0 RoEU306926
         K17U44L  C2017 10 31.42135 03 12 46.94 -00 01 08.4          18.0 RoEU306926
         K17U44L  C2017 10 31.54523 03 09 45.78 +00 38 47.9          18.0 RrEU306P93
         K17U44L  C2017 10 31.54692 03 09 42.93 +00 39 20.9          18.3 RrEU306P93
         K17U44L  C2017 10 31.54853 03 09 40.35 +00 39 52.6          18.0 RrEU306P93
         K17U44L  C2017 10 31.55176 03 09 35.03 +00 40 56.0          18.0 RrEU306P93
    
    Observer details:
    104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri.  Measurers
        P. Bacci, L. Tesi, G. Fagioli.  0.60-m reflector + CCD.
    160 Castelmartini.  Observers M. Jaeger, E. Prosperi, S. Prosperi, W. Vollmann.
        Measurer E. Prosperi.  0.35-m f/10 Schmidt-Cassegrain + CCD.
    474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore,
        P. M. Kilmartin.  Measurer P. M. Kilmartin.  1.0-m f/7.7 reflector + CCD.
    691 Steward Observatory, Kitt Peak.  Observer M. J. Brucker.  0.9-m f/3
        reflector + CCD.
    703 Catalina Sky Survey.  Observer J. A. Johnson.  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.
        0.68-m Schmidt + 10K CCD.
    850 Cordell-Lorenz Observatory, Sewanee.  Observer D. T. Durig.  0.3-m f/7.6
        Schmidt-Cassegrain + CCD.
    926 Tenagra II Observatory.  Observers M. Schwartz, P. R. Holvorcem.  Measurer
        M. Schwartz.  0.41-m f/3.75 astrograph + CCD, 0.81-m f/7 Ritchey-Chretien
        + CCD.
    C43 Hoyerswerda.  Observer P. Lindner.  0.30-m f/6.3 Schmidt-Cassegrain + CCD.
    E23 Arcadia.  Observer A. Hidas.  0.35-m f/1.9 reflector + CCD.
    G96 Mt. Lemmon Survey.  Observer R. A. Kowalski.  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.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    K51 Osservatorio del Celado, Castello Tesino.  Observer G. Favero.  Measurer
        M. Campestrin.  0.80-m f/4 reflector + CCD.
    K88 GINOP-KHK, Piszkesteto.  Observer K. Sarneczky.  0.60-m Schmidt + CCD.
    P93 Space Tracking and Communications Center, JAXA.  Observers T. Fujiwara,
        A. Asami.  0.5-m f/2.0 reflector + CCD, 1.0-m f/3.0 reflector + CCD.
    
    Orbital elements:
    2017 UL44                                                Earth MOID = 0.0323 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 178.41339              (2000.0)            P               Q
    n   1.19940937     Peri.  138.04942     -0.94932484     -0.09509217
    a   0.8773195      Node    39.68188     -0.14360409     -0.71659060
    e   0.3031185      Incl.   27.97937     +0.27957146     -0.69098147
    P   0.82           H   23.8           G   0.15           U   7
    Residuals in seconds of arc
    171029 703  0.3+  0.3+    171029 C43  0.2+  0.0     171030 160  1.4+  0.4-
    171029 703  0.3+  0.1+    171029 C43  0.0   0.1-    171030 160  0.3+  0.5-
    171029 703  0.7-  0.0     171030 J95  0.1+  0.1+    171030 160  1.5+  1.2-
    171029 703  0.1+  0.6-    171030 J95  0.1+  0.1+    171030 160  0.3-  0.1-
    171029 H01  0.1+  0.0     171030 J95  0.2+  0.0     171030 K88  0.1-  0.2+
    171029 703  1.3+  1.7-    171030 926  0.3+  0.0     171030 K88  0.4-  0.2+
    171029 H01  0.0   0.0     171030 926  0.1+  0.1-    171030 K88  0.2-  0.3+
    171029 703  0.1+  0.2-    171030 926  0.1-  0.2-    171031 850  0.1+  0.5-
    171029 H01  0.1+  0.0     171030 926  0.4-  0.1-    171031 850  0.8+  0.5-
    171029 H01  0.1+  0.1-    171030 926  0.0   0.0     171031 850  0.8-  0.6+
    171029 691  0.1-  0.3-    171030 926  0.2+  0.2-    171031 850  0.3-  0.3+
    171029 691  0.5-  0.2+    171030 926  0.5-  0.4+    171031 850  1.3-  0.1+
    171029 691  0.3-  0.2+    171030 926  0.4-  0.3+    171031 H21  0.2-  0.0
    171029 474  0.2+  0.3-    171030 926  0.4-  0.2+    171031 H21  0.2-  0.0
    171029 474  0.1+  0.3-    171030 P93  0.1+  0.4+    171031 H21  0.1-  0.0
    171029 474  0.0   0.0     171030 P93  0.1+  0.1+    171031 G96  0.2+  0.4-
    171029 474  0.5-  0.1+    171030 P93  0.3+  0.2-    171031 G96  0.1+  0.1-
    171029 474  0.1-  0.1+    171030 P93  0.1+  0.7+    171031 G96  0.5+  0.5-
    171029 474  0.2-  0.1-    171030 K51  0.4-  0.2+    171031 G96  0.0   0.1-
    171029 474  0.3-  0.3-    171030 K51  0.4-  0.3+    171031 926  0.1-  0.0
    171029 474  0.3+  0.2+    171030 K51  0.5-  0.4+    171031 926  0.3-  0.1+
    171029 E23  0.7-  0.7+    171030 104  0.7-  0.0     171031 926  0.5-  0.2+
    171029 E23  0.4-  0.6+    171030 104  0.1-  0.1-    171031 P93  0.4+  0.5+
    171029 E23  0.1+  0.3+    171030 104  0.0   0.2+    171031 P93  0.7-  0.2+
    171029 C43  0.1-  0.1+    171030 104  0.1-  0.1+    171031 P93  0.3+  0.1+
    171029 C43  0.0   0.4+    171030 160  1.9+  1.0-    171031 P93  0.2+  0.3-
    
    Ephemeris:
    2017 UL44                a,e,i = 0.88, 0.30, 28                  q = 0.6114
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 10 01    05 14 24.9 -23 23 43   0.3012  1.1207   105.7    59.3    23.6
    ...
    2017 10 16    05 07 08.0 -21 37 18   0.1720  1.0867   117.3    54.6    22.1
    ...
    2017 10 24    04 43 08.5 -17 35 09   0.1028  1.0623   129.0    46.7    20.8
    ...
    2017 10 30    03 43 25.2 -06 15 55   0.05500 1.0414   150.7    27.9    18.8
    2017 10 31    03 23 07.7 -02 06 38   0.04830 1.0376   157.6    21.3    18.3
    2017 11 01    02 56 53.2 +03 18 49   0.04246 1.0338   166.4    13.1    17.8
    ...
    2017 11 07    21 59 51.7 +39 06 26   0.04431 1.0098   113.9    63.8    19.3
    ...
    2017 11 15    19 20 53.4 +36 16 09   0.1041  0.9743    78.8    95.2    22.2
    ...
    2017 11 30    18 28 14.6 +31 35 43   0.2272  0.8983    61.0   106.2    24.3
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-U306
    

    Read MPEC 2017-U305 Read MPEC 2017-U307


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