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  • MPEC 2017-U44 : 2017 UD

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    M.P.E.C. 2017-U44                                Issued 2017 Oct. 17, 22:01 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 UD
    
    Observations:
         K17U00D* C2017 10 16.20948 23 45 56.25 +00 34 26.9          18.0 GUEU044G96
         K17U00D  C2017 10 16.21474 23 45 55.46 +00 39 05.6          18.0 GUEU044G96
         K17U00D  C2017 10 16.21995 23 45 54.68 +00 43 40.2          17.9 GUEU044G96
         K17U00D  C2017 10 16.22514 23 45 53.89 +00 48 13.4          17.9 GUEU044G96
         K17U00D  C2017 10 16.34481 23 45 38.35 +02 27 45.4          18.7 GUEU044I52
         K17U00D  C2017 10 16.34522 23 45 38.32 +02 28 04.5          18.6 GUEU044I52
         K17U00D  C2017 10 16.34559 23 45 38.26 +02 28 21.6          18.6 GUEU044I52
         K17U00D  C2017 10 16.34596 23 45 38.21 +02 28 39.9          18.7 GUEU044I52
         K17U00D KC2017 10 16.74443 23 46 12.66 +06 59 28.0          18.4 RqEU044113
         K17U00D KC2017 10 16.74708 23 46 11.80 +07 01 16.3          18.4  oEU044K88
         K17U00D KC2017 10 16.74788 23 46 12.49 +07 01 31.1          18.6 RqEU044113
         K17U00D KC2017 10 16.75033 23 46 11.56 +07 03 12.2          18.6  oEU044K88
         K17U00D KC2017 10 16.75358 23 46 11.33 +07 05 06.4          18.3  oEU044K88
         K17U00D KC2017 10 16.75479 23 46 12.10 +07 05 34.3          18.2 RqEU044113
         K17U00D KC2017 10 16.77498 23 46 10.76 +07 17 20.0          18.7 RqEU044113
         K17U00D  C2017 10 16.77753 23 46 10.66 +07 18 56.9                qEU044246
         K17U00D  C2017 10 16.77836 23 46 10.57 +07 19 26.2          19.6 RqEU044246
         K17U00D  C2017 10 16.77868 23 46 10.55 +07 19 36.9          19.3 RqEU044246
         K17U00D  C2017 10 16.77905 23 46 10.55 +07 19 50.1                qEU044246
         K17U00D KC2017 10 16.77931 23 46 10.42 +07 19 50.3          18.6 RqEU044113
         K17U00D  C2017 10 16.78001 23 46 10.44 +07 20 22.8                qEU044246
         K17U00D  C2017 10 16.78061 23 46 10.37 +07 20 43.7                qEU044246
         K17U00D  C2017 10 16.78166 23 46 10.31 +07 21 20.2                qEU044246
         K17U00D KC2017 10 16.78708 23 46 11.68 +07 24 50.1          18.5 RqEU044160
         K17U00D KC2017 10 16.78932 23 46 11.47 +07 26 07.2          18.5 RqEU044160
         K17U00D KC2017 10 16.79155 23 46 11.33 +07 27 25.1          18.9 RqEU044160
         K17U00D KC2017 10 16.79375 23 46 11.16 +07 28 39.9          18.4 RqEU044160
         K17U00D KC2017 10 16.79570 23 46 10.37 +07 29 35.5          18.5 RUEU044K51
         K17U00D KC2017 10 16.79597 23 46 10.96 +07 29 56.6          18.5 RqEU044160
         K17U00D KC2017 10 16.79692 23 46 10.26 +07 30 17.2          18.5 RUEU044K51
         K17U00D KC2017 10 16.79823 23 46 10.15 +07 31 01.9          18.5 RUEU044K51
         K17U00D KC2017 10 16.83457 23 46 07.48 +07 51 37.1          18.4  tEU044K63
         K17U00D KC2017 10 16.83619 23 46 07.31 +07 52 29.6          18.4  tEU044K63
         K17U00D KC2017 10 16.83800 23 46 07.12 +07 53 30.6          18.2  tEU044K63
         K17U00D KC2017 10 17.06806 23 45 48.94 +09 50 43.3          19.6  qEU044104
         K17U00D KC2017 10 17.07118 23 45 48.85 +09 52 10.7          19.4  qEU044104
         K17U00D KC2017 10 17.07431 23 45 48.75 +09 53 38.0          19.3  qEU044104
         K17U00D  C2017 10 17.22241 23 46 06.15 +11 01 37.5          18.4 GUEU044I52
         K17U00D  C2017 10 17.22504 23 46 05.86 +11 02 45.0          18.6 GUEU044I52
         K17U00D  C2017 10 17.22559 23 46 05.80 +11 02 59.1          18.4 GUEU044I52
         K17U00D  C2017 10 17.22614 23 46 05.75 +11 03 13.2          18.3 GUEU044I52
         K17U00D KC2017 10 17.77296 23 46 18.27 +14 21 34.8          19.5  oEU044K88
         K17U00D KC2017 10 17.77689 23 46 18.05 +14 22 48.5          19.8  oEU044K88
         K17U00D KC2017 10 17.78082 23 46 17.81 +14 24 02.5          19.7  oEU044K88
    
    Observer details:
    104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri.  Measurers
        P. Bacci, L. Tesi, G. Fagioli.  0.60-m reflector + CCD.
    113 Volkssternwarte Drebach, Schoenbrunn.  Observer G. Lehmann.  0.5-m f/4.6
        reflector + CCD.
    160 Castelmartini.  Observers M. Jaeger, E. Prosperi, S. Prosperi, W. Vollmann.
        Measurer E. Prosperi.  0.35-m f/10 Schmidt-Cassegrain + CCD.
    246 Klet Observatory-KLENOT.  Observers M. Tichy, J. Ticha.  Measurer M. Tichy.
        1.06-m KLENOT Telescope + CCD.
    G96 Mt. Lemmon Survey.  Observer A. D. Grauer.  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.
    I52 Steward Observatory, Mt. Lemmon Station.  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.  1.0-m reflector + CCD.
    K51 Osservatorio del Celado, Castello Tesino.  Observers G. Favero, R. Furgoni.
        Measurer R. Furgoni.  0.80-m f/4 reflector + CCD.
    K63 G. Pascoli Observatory, Castelvecchio Pascoli.  Observer R. Bacci.  0.40-m
        f/3.2 Newtonian reflector + CCD.
    K88 GINOP-KHK, Piszkesteto.  Observer K. Sarneczky.  0.60-m Schmidt + CCD.
    
    Orbital elements:
    2017 UD                                                  Earth MOID = 0.0086 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M  17.79252              (2000.0)            P               Q
    n   0.81544686     Peri.  260.20170     +0.19968993     +0.97399099
    a   1.1346771      Node    22.21069     -0.75072302     +0.22230521
    e   0.4121915      Incl.   16.45500     -0.62971333     +0.04383988
    P   1.21           H   25.9           G   0.15           U   7
    Residuals in seconds of arc
    171016 G96  0.1-  0.1+    171016 246  0.3+  0.1-    171016 K51  0.1-  0.3-
    171016 G96  0.1-  0.3+    171016 246  0.1-  0.4+    171016 K63  0.3+  0.4+
    171016 G96  0.0   0.2+    171016 246  0.0   0.0     171016 K63  0.1+  1.0-
    171016 G96  0.1-  0.9+    171016 246  0.4+  0.4+    171016 K63  0.2-  0.1-
    171016 I52  0.0   0.4-    171016 113  0.0   0.6+    171017 104  0.1+  0.1+
    171016 I52  0.2+  0.8-    171016 246  0.1-  0.1-    171017 104  0.0   0.2-
    171016 I52  0.2-  1.3-    171016 246  0.5-  0.0     171017 104  0.2-  0.6-
    171016 I52  0.4-  0.5-    171016 246  0.2-  0.3+    171017 I52  0.0   0.2-
    171016 113  0.3-  0.7+    171016 160  0.1-  0.7-    171017 I52  0.1-  0.3-
    171016 K88  0.0   0.6-    171016 160  0.4-  0.7-    171017 I52  0.2-  0.4-
    171016 113 (0.2+  1.5+)   171016 160  0.3+  0.6+    171017 I52  0.0   0.4-
    171016 K88  0.1-  0.3+    171016 160  0.6+  0.0     171017 K88  0.3-  0.3+
    171016 K88  0.0   0.2-    171016 K51  0.1+  0.2-    171017 K88  0.0   0.0
    171016 113  0.6+  0.7+    171016 160  0.4+  0.7+    171017 K88  0.0   0.2+
    171016 113  0.5+  0.4+    171016 K51  0.1-  0.2-
    
    Ephemeris:
    2017 UD                  a,e,i = 1.13, 0.41, 16                  q = 0.6670
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 09 17    11 51 09.0 -31 45 10   0.2586  0.8047    34.3   135.3    28.8
    ...
    2017 10 02    11 48 15.7 -37 16 17   0.1137  0.9104    35.3   140.6    27.9
    ...
    2017 10 10    11 47 02.1 -46 44 13   0.04146 0.9688    43.3   135.1    25.2
    ...
    2017 10 16    23 45 49.6 -02 43 48   0.01726 1.0124   153.1    26.5    18.3
    2017 10 17    23 46 03.2 +09 21 05   0.02518 1.0195   155.0    24.4    19.1
    2017 10 18    23 46 13.8 +15 30 22   0.03369 1.0267   153.8    25.4    19.8
    ...
    2017 10 24    23 47 36.2 +26 07 19   0.08753 1.0692   147.0    30.5    22.1
    ...
    2017 11 01    23 51 02.5 +28 50 42   0.1619  1.1241   141.7    33.2    23.6
    ...
    2017 11 16    00 02 21.3 +29 53 16   0.3086  1.2202   132.9    36.4    25.3
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-U44
    

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