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  • MPEC 2017-U30 : 2017 UA

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    M.P.E.C. 2017-U30                                Issued 2017 Oct. 17, 11:34 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 UA
    
    Observations:
         K17U00A* C2017 10 16.25799 00 57 55.59 +02 12 54.0          19.3 GUEU030G96
         K17U00A  C2017 10 16.26318 00 57 39.88 +02 16 49.3          18.6 GUEU030G96
         K17U00A  C2017 10 16.26836 00 57 24.15 +02 20 44.7          18.6 GUEU030G96
         K17U00A  C2017 10 16.27357 00 57 08.26 +02 24 41.9          18.9 GUEU030G96
         K17U00A  C2017 10 16.41236 00 49 29.80 +04 20 05.4          18.2 GUEU030I52
         K17U00A  C2017 10 16.41316 00 49 27.04 +04 20 48.7          18.4 GUEU030I52
         K17U00A  C2017 10 16.41397 00 49 24.19 +04 21 32.7          18.6 GUEU030I52
         K17U00A  C2017 10 16.41476 00 49 21.43 +04 22 15.0          18.6 GUEU030I52
         K17U00A EC2017 10 16.97273900 05 03.32 +16 46 31.1          18.0 GUEU030J95
         K17U00A KC2017 10 17.01546 23 58 42.55 +18 13 17.3          17.8  qEU030104
         K17U00A KC2017 10 17.01663 23 58 32.50 +18 15 37.0          17.2  qEU030104
         K17U00A KC2017 10 17.01779 23 58 22.50 +18 17 57.1          17.4  qEU030104
         K17U00A KC2017 10 17.07295623 50 29.34 +20 10 05.3          17.7 GUEU030J95
         K17U00A KC2017 10 17.07659523 49 54.91 +20 17 55.2          17.6 GUEU030J95
         K17U00A KC2017 10 17.08030323 49 19.60 +20 25 55.8          17.5 GUEU030J95
         K17U00A  C2017 10 17.13541 23 43 08.29 +22 46 47.2          17.2 RoEU030926
         K17U00A  C2017 10 17.13608 23 43 00.95 +22 48 24.7          17.3 RoEU030926
         K17U00A  C2017 10 17.13672 23 42 53.91 +22 49 59.2          17.3 RoEU030926
         K17U00A  C2017 10 17.17311 23 35 58.09 +24 19 22.9          17.2 GUEU030I52
         K17U00A  C2017 10 17.17319 23 35 57.14 +24 19 34.9          16.9 GUEU030I52
         K17U00A  C2017 10 17.17327 23 35 56.11 +24 19 48.4          17.0 GUEU030I52
         K17U00A  C2017 10 17.17335 23 35 55.17 +24 20 00.1          17.4 GUEU030I52
         K17U00A  C2017 10 17.19541 23 31 26.55 +25 16 43.9          17.1 RoEU030926
         K17U00A  C2017 10 17.19602 23 31 18.98 +25 18 16.8          17.0 RoEU030926
         K17U00A  C2017 10 17.19662 23 31 11.35 +25 19 50.1          17.1 RoEU030926
    
    Observer details:
    104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri.  Measurers
        P. Bacci, L. Tesi, G. Fagioli.  0.60-m reflector + CCD.
    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 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.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    
    Orbital elements:
    2017 UA                                                  Earth MOID = 0.0031 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 267.63316              (2000.0)            P               Q
    n   0.85449700     Peri.   84.25135     -0.29346143     -0.95473721
    a   1.0998388      Node    22.99466     +0.82052787     -0.27761839
    e   0.2546845      Incl.    7.13949     +0.49052461     -0.10679366
    P   1.15           H   28.7           G   0.15           U   6
    Residuals in seconds of arc
    171016 G96  0.5+  1.1-    171017 104  0.4+  0.1-    171017 I52 (1.4+  0.9-)
    171016 G96  0.8+  1.1-    171017 104  1.2+  1.1-    171017 I52 (1.4+  1.0-)
    171016 G96 (1.9+  2.0-)   171017 104 (1.7+  0.6-)   171017 I52  0.4+  0.4+
    171016 G96 (3.6+  3.9-)   171017 J95  0.3+  0.4-    171017 I52  0.5+  0.0
    171016 I52  0.2-  0.6+    171017 J95  0.4+  0.3-    171017 926 (1.5-  1.9+)
    171016 I52  0.1+  0.7+    171017 J95  0.1+  0.3-    171017 926  0.7-  1.0+
    171016 I52  0.3-  1.0+    171017 926  0.1+  0.6+    171017 926 (2.2-  2.0+)
    171016 I52  0.5-  0.6+    171017 926  0.3-  0.4+
    171016 J95  0.7-  0.4+    171017 926  1.0-  1.5+
    
    Ephemeris:
    2017 UA                  a,e,i = 1.10, 0.25, 7                   q = 0.8197
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 09 17    01 54 48.7 -14 38 57   0.1475  1.1280   144.1    31.5    26.1
    ...
    2017 10 02    01 58 31.4 -15 00 58   0.07250 1.0653   151.7    26.4    24.3
    ...
    2017 10 10    01 52 59.0 -13 31 05   0.03512 1.0308   156.2    23.0    22.6
    ...
    2017 10 16    01 07 21.6 -00 26 09   0.0080851.0049   169.9    10.0    18.9
    2017 10 17    00 02 02.4 +17 57 40   0.0042281.0006   157.5    22.4    17.9
    2017 10 18    18 26 53.3 +49 16 39   0.0034910.9962    87.0    92.8    19.7
    ...
    2017 10 24    14 20 39.3 +20 36 29   0.02919 0.9703    32.9   146.1    28.7
    ...
    2017 11 01    14 10 17.9 +17 30 39   0.06615 0.9371    32.0   145.8    30.4
    ...
    2017 11 16    14 08 48.4 +13 45 00   0.1405  0.8815    37.4   137.0    30.6
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-U30
    

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