• Processing (Info)

  • MPEC 2017-E31 : 2017 DR109

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    M.P.E.C. 2017-E31                                Issued 2017 Mar. 4, 17:14 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 DR109
    
    Observations:
         K17DA9R* C2017 02 27.24563 09 55 21.95 +23 51 08.4          19.6 VqEE031703
         K17DA9R  C2017 02 27.25656 09 55 16.72 +23 47 11.3          19.4 VqEE031703
         K17DA9R  C2017 02 27.26676 09 55 11.86 +23 43 32.2          19.9 VqEE031703
         K17DA9R  C2017 02 27.35560509 54 29.85 +23 11 35.4          19.4 V EE031H01
         K17DA9R  C2017 02 27.36416009 54 26.32 +23 08 33.8          19.3 V EE031H01
         K17DA9R  C2017 02 27.37064709 54 23.66 +23 06 16.4          19.4 V EE031H01
         K17DA9R  C2017 02 27.37667109 54 21.26 +23 04 08.6          19.6 V EE031H01
         K17DA9R  C2017 02 27.37855 09 54 21.88 +23 03 50.0          19.7 VqEE031I52
         K17DA9R  C2017 02 27.37899 09 54 21.73 +23 03 40.7          20.0 VqEE031I52
         K17DA9R  C2017 02 27.37940 09 54 21.61 +23 03 31.2          20.0 VqEE031I52
         K17DA9R  C2017 02 27.37982 09 54 21.51 +23 03 23.5          21.6 VqEE031I52
         K17DA9R  C2017 03 02.25013 09 48 47.11 +13 32 26.4          21.0 VqEE031G96
         K17DA9R  C2017 03 02.25374 09 48 46.45 +13 32 01.6          20.8 VqEE031G96
         K17DA9R  C2017 03 02.25734 09 48 45.84 +13 31 36.9          20.4 VqEE031G96
         K17DA9R  C2017 03 02.26094 09 48 45.17 +13 31 12.0          20.9 VqEE031G96
         K17DA9R  C2017 03 02.33763 09 48 31.61 +13 22 23.6          20.1 VqEE031I52
         K17DA9R  C2017 03 02.34613 09 48 30.23 +13 21 25.2          20.6 VqEE031I52
         K17DA9R  C2017 03 02.34775 09 48 29.94 +13 21 14.5          20.4 VqEE031I52
         K17DA9R  C2017 03 02.35214 09 48 29.24 +13 20 44.4          20.6 VqEE031I52
         K17DA9R  C2017 03 03.11187 09 48 11.61 +12 04 05.4          21.7 VqEE031I52
         K17DA9R  C2017 03 03.11333 09 48 11.53 +12 03 58.5          20.4 VqEE031I52
         K17DA9R  C2017 03 03.11478 09 48 11.39 +12 03 51.2          21.1 VqEE031I52
         K17DA9R  C2017 03 03.11624 09 48 11.18 +12 03 43.2          21.6 VqEE031I52
         K17DA9R  C2017 03 04.27748 09 47 13.27 +10 33 10.8                qEE031G96
         K17DA9R  C2017 03 04.28104 09 47 12.83 +10 32 55.3          20.8 VqEE031G96
         K17DA9R  C2017 03 04.28451 09 47 12.39 +10 32 40.1          20.7 VqEE031G96
         K17DA9R  C2017 03 04.38752 09 47 01.32 +10 25 37.1          21.5 VqEE031I52
         K17DA9R  C2017 03 04.39104 09 47 01.12 +10 25 22.9          21.3 VqEE031I52
         K17DA9R  C2017 03 04.39266 09 47 00.95 +10 25 16.5          22.1 VqEE031I52
    
    Observer details:
    703 Catalina Sky 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.
        0.68-m Schmidt + 10K 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.
    I52 Steward Observatory, Mt. Lemmon Station.  Observers E. J. Christensen,
        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.  1.0-m reflector + CCD.
    
    Orbital elements:
    2017 DR109                                               Earth MOID = 0.0059 AU
    Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
    M  66.50741              (2000.0)            P               Q
    n   0.98798765     Peri.   70.99696     +0.60333045     -0.79734296
    a   0.9983934      Node   341.86840     +0.71183854     +0.54712628
    e   0.2424744      Incl.    2.83292     +0.35955286     +0.25474896
    P   1.00           H   27.6           G   0.15           U   7
    Residuals in seconds of arc
    170227 703  0.4+  1.0+    170227 I52 (1.8+  0.6+)   170303 I52  0.6+  0.3+
    170227 703  0.4-  0.8-    170302 G96  0.0   0.3+    170303 I52  0.8+  0.4+
    170227 703  0.9-  0.5-    170302 G96  0.1-  0.3+    170303 I52  0.0   0.0
    170227 H01  0.0   0.1+    170302 G96  0.5+  0.3+    170304 G96  0.0   0.9+
    170227 H01  0.1+  0.1+    170302 G96  0.3+  0.1+    170304 G96  0.3-  0.1-
    170227 H01  0.2-  0.3+    170302 I52  0.3-  0.7-    170304 G96  0.7-  1.1-
    170227 H01  0.0   0.0     170302 I52  0.1+  0.6-    170304 I52  1.0-  0.2-
    170227 I52  0.2-  0.3+    170302 I52  0.3-  0.1-    170304 I52  0.7+  0.1+
    170227 I52  0.2+  0.2+    170302 I52  0.1-  0.1+    170304 I52  0.3+  0.4+
    170227 I52  0.8+  0.6-    170303 I52  0.5-  0.4-
    
    Ephemeris:
    2017 DR109               a,e,i = 1.00, 0.24, 3                   q = 0.7563
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 02 02    21 40 06.3 +00 33 12   0.09439 0.8973    19.8   158.2    32.6
    ...
    2017 02 17    21 34 53.9 +09 45 07   0.02899 0.9615    22.8   156.5    29.7
    ...
    2017 02 25    10 23 39.7 +52 05 05   0.0076070.9955   137.1    42.6    18.7
    ...
    2017 03 03    09 48 03.1 +12 16 29   0.03026 1.0202   162.7    16.8    20.9
    2017 03 04    09 47 23.1 +10 54 13   0.03439 1.0243   161.9    17.5    21.3
    2017 03 05    09 46 55.6 +09 49 27   0.03855 1.0283   161.0    18.3    21.5
    ...
    2017 03 11    09 46 30.7 +06 18 00   0.06408 1.0520   155.4    23.1    22.8
    ...
    2017 03 19    09 48 58.2 +04 25 15   0.09972 1.0819   148.6    28.7    24.0
    ...
    2017 04 03    09 59 26.3 +02 50 16   0.1726  1.1321   137.0    37.0    25.6
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-E31
    

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