• MPC Preparation (Info)

  • MPEC 2017-U189: 2017 UT4

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    M.P.E.C. 2017-U189                               Issued 2017 Oct. 26, 17:41 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 UT4
    
    Observations:
         K17U04T* C2017 10 22.44948 01 53 08.287+11 01 42.86         21.7 wLEU189F51
         K17U04T  C2017 10 22.46115 01 53 07.283+11 02 12.19         21.7 wLEU189F51
         K17U04T  C2017 10 22.48441 01 53 05.309+11 03 10.27         21.5 wLEU189F51
         K17U04T  C2017 10 23.28437 01 52 19.23 +11 37 10.2          21.6 GUEU189G96
         K17U04T  C2017 10 23.28959 01 52 18.81 +11 37 24.3          21.5 GUEU189G96
         K17U04T  C2017 10 23.29479 01 52 18.36 +11 37 38.2          20.7 GUEU189G96
         K17U04T  C2017 10 23.30004 01 52 17.91 +11 37 51.0          20.9 GUEU189G96
         K17U04T KC2017 10 24.34714 01 51 10.69 +12 24 42.4          20.9 RoEU189291
         K17U04T KC2017 10 24.35163 01 51 10.28 +12 24 54.7                oEU189291
         K17U04T KC2017 10 24.35611 01 51 09.85 +12 25 07.0          20.5 RoEU189291
         K17U04T  C2017 10 25.38277 01 50 01.01 +13 13 21.4          20.4 RoEU189926
         K17U04T  C2017 10 25.39368 01 49 59.98 +13 13 51.4          21.4 RoEU189926
         K17U04T KC2017 10 26.28848 01 49 00.55 +13 57 52.5                oEU189691
         K17U04T KC2017 10 26.31651 01 48 57.82 +13 59 16.5                oEU189691
         K17U04T  C2017 10 26.42431 01 48 47.54 +14 04 36.8                UEU189V06
         K17U04T  C2017 10 26.42516 01 48 47.49 +14 04 38.9                UEU189V06
         K17U04T  C2017 10 26.42601 01 48 47.44 +14 04 41.2          21.6 GUEU189V06
         K17U04T  C2017 10 26.42687 01 48 47.35 +14 04 44.2                UEU189V06
    
    Observer details:
    291 LPL/Spacewatch II.  Observer M. T. Read.  1.8-m f/2.7 reflector + CCD.
    691 Steward Observatory, Kitt Peak.  Observer M. T. Read.  0.9-m f/3 reflector
        + CCD.
    926 Tenagra II Observatory.  Observers M. Schwartz, P. R. Holvorcem.  Measurer
        M. Schwartz.  0.81-m f/7 Ritchey-Chretien + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz,
        M. Willman.  Measurers K. Chambers, S. Chastel, L. Denneau, H. Flewelling,
        M. Huber, E. Lilly, E. Magnier, R. Wainscoat, C. Waters, R. Weryk.  1.8-m
        Ritchey-Chretien + CCD.
    G96 Mt. Lemmon Survey.  Observer D. C. Fuls.  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.
    V06 Catalina Sky Survey-Kuiper.  Observer E. J. Christensen.  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.  1.55-m reflector + CCD.
    
    Orbital elements:
    2017 UT4                                                 Earth MOID = 0.0722 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 296.19364              (2000.0)            P               Q
    n   0.60947674     Peri.   55.91945     +0.07695358     -0.99588807
    a   1.3777316      Node    29.77682     +0.88012017     +0.04532409
    e   0.2606143      Incl.    5.52358     +0.46847266     +0.07843895
    P   1.62           H   25.6           G   0.15           U   7
    Residuals in seconds of arc
    171022 F51  0.1-  0.1-    171023 G96  0.5+  0.8-    171026 691  0.4-  0.0
    171022 F51  0.1-  0.1+    171024 291  0.3+  0.0     171026 691  0.0   0.2-
    171022 F51  0.1-  0.1+    171024 291  0.2+  0.1+    171026 V06  0.4-  0.3+
    171023 G96  0.0   0.6-    171024 291  0.3-  0.2+    171026 V06  0.0   0.1-
    171023 G96  0.4+  0.2-    171025 926  0.5+  0.9+    171026 V06  0.3+  0.4-
    171023 G96  0.5+  0.1+    171025 926  0.1-  0.0     171026 V06  0.1+  0.1+
    
    Ephemeris:
    2017 UT4                 a,e,i = 1.38, 0.26, 6                   q = 1.0187
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 09 26    02 00 14.6 +00 47 17   0.2384  1.2192   152.6    22.3    24.0
    ...
    2017 10 11    02 00 40.3 +04 55 43   0.1687  1.1627   166.0    12.0    22.8
    ...
    2017 10 19    01 56 11.4 +08 48 50   0.1390  1.1345   174.6     4.7    22.0
    ...
    2017 10 25    01 50 29.1 +12 55 28   0.1203  1.1146   178.1     1.7    21.5
    2017 10 26    01 49 20.9 +13 43 51   0.1174  1.1114   176.8     2.9    21.5
    2017 10 27    01 48 09.5 +14 34 29   0.1147  1.1083   175.5     4.1    21.5
    ...
    2017 11 02    01 39 58.1 +20 29 15   0.1002  1.0902   167.1    11.8    21.5
    ...
    2017 11 10    01 26 14.0 +30 45 31   0.08586 1.0685   154.6    23.4    21.5
    ...
    2017 11 25    00 51 09.6 +55 10 27   0.07490 1.0373   130.5    46.4    21.8
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-U189
    

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