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  • MPEC 2017-U279: 2017 UU42

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    M.P.E.C. 2017-U279                               Issued 2017 Oct. 30, 16:43 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 UU42
    
    Observations:
         K17U42U* C2017 10 26.22798 00 25 56.79 -06 46 05.3          20.8 GUEU279G96
         K17U42U  C2017 10 26.23329 00 25 55.16 -06 45 47.1                UEU279G96
         K17U42U  C2017 10 26.23858 00 25 53.55 -06 45 28.6          20.4 GUEU279G96
         K17U42U  C2017 10 26.24392 00 25 51.95 -06 45 10.8          20.4 GUEU279G96
         K17U42U  C2017 10 26.27155600 25 43.43 -06 43 34.8          19.9 GUEU279H01
         K17U42U  C2017 10 26.27634900 25 41.96 -06 43 17.8          20.0 GUEU279H01
         K17U42U  C2017 10 26.28295600 25 39.96 -06 42 55.0          20.1 GUEU279H01
         K17U42U  C2017 10 26.29170600 25 37.30 -06 42 24.6          20.1 GUEU279H01
         K17U42U  C2017 10 26.30769 00 25 32.50 -06 41 28.4          19.9 GUEU279I52
         K17U42U  C2017 10 26.30894 00 25 32.14 -06 41 24.0          20.4 GUEU279I52
         K17U42U  C2017 10 26.31018 00 25 31.75 -06 41 19.8          20.6 GUEU279I52
         K17U42U  C2017 10 26.31142 00 25 31.39 -06 41 15.1          20.1 GUEU279I52
         K17U42U  C2017 10 26.38532 00 25 09.06 -06 36 57.5                UEU279I52
         K17U42U  C2017 10 26.38836 00 25 08.14 -06 36 46.7                UEU279I52
         K17U42U  C2017 10 26.39144 00 25 07.26 -06 36 34.9          20.5 GUEU279I52
         K17U42U  C2017 10 26.39268 00 25 06.87 -06 36 32.1                UEU279I52
         K17U42U  C2017 10 27.13951 00 21 31.07 -05 53 13.7          20.5 RoEU279926
         K17U42U  C2017 10 27.14250 00 21 30.19 -05 53 03.1          20.5 RoEU279926
         K17U42U  C2017 10 27.14550 00 21 29.30 -05 52 52.5          20.8 RoEU279926
         K17U42U  C2017 10 27.20075 00 21 12.85 -05 49 41.6          21.1 GUEU279V06
         K17U42U  C2017 10 27.20226 00 21 12.45 -05 49 36.0          20.2 GUEU279V06
         K17U42U  C2017 10 27.20377 00 21 11.95 -05 49 31.2          20.4 GUEU279V06
         K17U42U  C2017 10 27.20528 00 21 11.50 -05 49 25.9          21.0 GUEU279V06
         K17U42U KC2017 10 27.23326 00 21 03.08 -05 47 47.4                oEU279711
         K17U42U KC2017 10 27.23639 00 21 02.14 -05 47 35.7                oEU279711
         K17U42U KC2017 10 27.24049 00 21 00.99 -05 47 19.7                oEU279711
         K17U42U  C2017 10 28.15287 00 16 41.97 -04 54 30.5          20.4 GUEU279V06
         K17U42U  C2017 10 28.15355 00 16 41.78 -04 54 28.5          20.5 GUEU279V06
         K17U42U  C2017 10 28.15423 00 16 41.57 -04 54 25.7          20.6 GUEU279V06
         K17U42U  C2017 10 28.15490 00 16 41.38 -04 54 23.8          20.6 GUEU279V06
         K17U42U KC2017 10 28.18538 00 16 32.33 -04 52 37.2                oEU279711
         K17U42U KC2017 10 28.18911 00 16 31.23 -04 52 23.6                oEU279711
         K17U42U KC2017 10 28.19277 00 16 30.18 -04 52 11.4                oEU279711
         K17U42U  C2017 10 28.20848 00 16 25.81 -04 51 17.0          20.2 RoEU279926
         K17U42U  C2017 10 28.21192 00 16 24.83 -04 51 05.0          19.9 RoEU279926
         K17U42U  C2017 10 28.21535 00 16 23.82 -04 50 52.9          20.1 RoEU279926
         K17U42U KC2017 10 29.88278 00 08 47.07 -03 14 52.8                UEU279J95
         K17U42U KC2017 10 29.90257 00 08 41.62 -03 13 44.9          20.3 GUEU279J95
         K17U42U  C2017 10 30.19866 00 07 23.01 -02 56 41.9          19.8 GUEU279I52
         K17U42U  C2017 10 30.19977 00 07 22.70 -02 56 37.5          20.1 GUEU279I52
    
    Observer details:
    711 McDonald Observatory.  Observer J. G. Ries.  2.1-m reflector + CCD + focal
        reducer.
    926 Tenagra II Observatory.  Observers M. Schwartz, P. R. Holvorcem.  Measurer
        M. Schwartz.  0.81-m f/7 Ritchey-Chretien + CCD.
    G96 Mt. Lemmon Survey.  Observer G. J. Leonard.  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.
    I52 Steward Observatory, Mt. Lemmon Station.  Observers D. C. Fuls,
        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.  1.0-m reflector + CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + 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 UU42                                           PHA, Earth MOID = 0.0381 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 195.75949              (2000.0)            P               Q
    n   0.77161811     Peri.  132.71786     -0.89412481     -0.36406276
    a   1.1772475      Node    29.06817     +0.03786533     -0.64168227
    e   0.1528049      Incl.   32.46078     +0.44621411     -0.67505717
    P   1.28           H   21.3           G   0.15           U   8
    Residuals in seconds of arc
    171026 G96  0.2+  0.3+    171026 I52  0.3-  1.1+    171028 V06  0.1+  0.1-
    171026 G96  0.0   0.1+    171026 I52  0.5-  0.5-    171028 V06  0.1+  0.5-
    171026 G96  0.1+  0.2+    171027 926  0.3-  0.1-    171028 711  0.6-  0.3-
    171026 G96  0.5+  0.6-    171027 926  0.1-  0.1+    171028 711  0.8-  0.4+
    171026 H01  0.2+  0.3-    171027 926  0.1-  0.3+    171028 711  0.6-  0.1-
    171026 H01  0.0   0.0     171027 V06  0.1-  0.4-    171028 926  0.4-  0.0
    171026 H01  0.1+  0.2-    171027 V06  0.6+  0.1-    171028 926  0.2-  0.1+
    171026 H01  0.0   0.3-    171027 V06  0.1-  0.6-    171028 926  0.4-  0.3+
    171026 I52  0.3-  0.3-    171027 V06  0.1-  0.5-    171029 J95  0.3+  0.1+
    171026 I52  0.0   0.2-    171027 711  1.2+  0.0     171029 J95  0.2-  0.1-
    171026 I52  0.2-  0.3-    171027 711  1.0+  0.8+    171030 I52  0.0   0.3-
    171026 I52  0.0   0.0     171027 711  2.1+  2.5+    171030 I52  0.1-  0.3+
    171026 I52  0.8-  0.2-    171028 V06  0.2+  0.2-
    171026 I52  0.9-  0.0     171028 V06  0.3+  0.5-
    
    Ephemeris:
    2017 UU42                a,e,i = 1.18, 0.15, 32                  q = 0.9974
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 09 30    02 37 13.3 -24 31 32   0.4061  1.3310   137.9    30.3    21.3
    ...
    2017 10 15    01 25 51.0 -16 46 39   0.3389  1.3118   154.8    18.9    20.5
    ...
    2017 10 23    00 42 24.1 -09 51 14   0.3320  1.2996   153.0    20.3    20.5
    ...
    2017 10 29    00 12 46.2 -04 05 21   0.3418  1.2896   145.5    25.9    20.7
    2017 10 30    00 08 15.9 -03 07 52   0.3446  1.2878   144.0    27.0    20.7
    2017 10 31    00 03 54.0 -02 10 50   0.3478  1.2861   142.4    28.1    20.8
    ...
    2017 11 06    23 40 48.4 +03 15 48   0.3722  1.2752   133.2    34.5    21.1
    ...
    2017 11 14    23 18 12.9 +09 34 32   0.4167  1.2596   121.8    41.9    21.5
    ...
    2017 11 29    22 56 40.1 +18 39 42   0.5185  1.2277   105.0    50.9    22.2
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-U279
    

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