• MPC Preparation (Info)

  • MPEC 2017-G80 : 2017 GW6

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    M.P.E.C. 2017-G80                                Issued 2017 Apr. 10, 22:21 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 GW6
    
    Observations:
         K17G06W* C2017 04 07.41177 15 38 12.84 +00 46 59.9          19.8 VqEG080G96
         K17G06W  C2017 04 07.41606 15 38 11.76 +00 46 52.2          19.9 VqEG080G96
         K17G06W  C2017 04 07.42037 15 38 10.68 +00 46 44.0          19.8 VqEG080G96
         K17G06W  C2017 04 07.42464 15 38 09.63 +00 46 36.6          20.0 VqEG080G96
         K17G06W  C2017 04 07.46686 15 37 59.04 +00 45 18.8          20.6 VqEG080G96
         K17G06W  C2017 04 07.46979 15 37 58.33 +00 45 13.6          20.4 VqEG080G96
         K17G06W  C2017 04 07.47289 15 37 57.55 +00 45 07.9          20.3 VqEG080G96
         K17G06W  C2017 04 07.47566 15 37 56.86 +00 45 02.8          20.2 VqEG080G96
         K17G06W KC2017 04 07.49763 15 37 51.40 +00 44 22.9          19.5 RoEG080291
         K17G06W KC2017 04 07.49988 15 37 50.83 +00 44 18.7          19.6 RoEG080291
         K17G06W KC2017 04 07.50212 15 37 50.27 +00 44 14.7          19.6 RoEG080291
         K17G06W  C2017 04 07.53239 15 37 43.946+00 43 24.21         19.8 iLEG080F51
         K17G06W  C2017 04 07.54380 15 37 41.064+00 43 03.29         19.9 iLEG080F51
         K17G06W  C2017 04 07.55521 15 37 38.194+00 42 42.40         19.9 iLEG080F51
         K17G06W  C2017 04 07.56658 15 37 35.309+00 42 21.43         20.0 iLEG080F51
         K17G06W KC2017 04 08.11313 15 35 23.02 +00 25 17.6                UEG080J95
         K17G06W KC2017 04 08.11626 15 35 22.26 +00 25 12.0                UEG080J95
         K17G06W KC2017 04 08.11982 15 35 21.32 +00 25 06.1          19.3 GUEG080J95
         K17G06W  C2017 04 08.30619 15 34 36.74 +00 19 28.2          18.4 VqEG080G96
         K17G06W  C2017 04 08.30890 15 34 36.13 +00 19 21.8                qEG080G96
         K17G06W  C2017 04 08.31199 15 34 35.36 +00 19 15.1          20.1 VqEG080G96
         K17G06W KC2017 04 08.34703 15 34 26.42 +00 18 10.9                oEG080691
         K17G06W KC2017 04 08.35608 15 34 24.10 +00 17 53.9                oEG080691
         K17G06W KC2017 04 08.36512 15 34 21.78 +00 17 37.1                oEG080691
         K17G06W  C2017 04 09.24319515 30 44.01 -00 09 55.6          19.6 GUEG080H01
         K17G06W  C2017 04 09.24649415 30 43.15 -00 10 01.8          20.1 GUEG080H01
         K17G06W  C2017 04 09.25891615 30 39.95 -00 10 25.6          19.6 GUEG080H01
         K17G06W  C2017 04 09.26574115 30 38.19 -00 10 38.4          19.4 GUEG080H01
         K17G06W KC2017 04 09.32238 15 30 22.39 -00 11 54.0          20.4 VuEG080807
         K17G06W KC2017 04 09.32614 15 30 21.40 -00 12 01.1          19.8 VuEG080807
         K17G06W KC2017 04 09.32991 15 30 20.40 -00 12 08.3          20.0 VuEG080807
         K17G06W  C2017 04 09.40089 15 30 02.93 -00 14 53.6          19.5 RoEG080926
         K17G06W  C2017 04 09.40917 15 30 00.72 -00 15 09.5          19.4 RoEG080926
         K17G06W  C2017 04 09.41554 15 29 59.05 -00 15 21.5          19.2 RoEG080926
    
    Observer details:
    291 LPL/Spacewatch II.  Observer R. S. McMillan.  1.8-m f/2.7 reflector + CCD.
    691 Steward Observatory, Kitt Peak.  Observer R. S. McMillan.  0.9-m f/3
        reflector + CCD.
    807 Cerro Tololo.  Observers T. Linder, R. Holmes.  0.61-m f/6.5 astrograph
        + 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 B. Gibson, T. Goggia, S. Kahale,
        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.
    H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
        Measurer W. H. Ryan.  2.4-m f/8.9 reflector + CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    
    Orbital elements:
    2017 GW6                                                 Earth MOID = 0.1964 AU
    Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
    M  61.82103              (2000.0)            P               Q
    n   0.88279403     Peri.   31.52806     +0.37169173     -0.90593951
    a   1.0762086      Node    37.76264     +0.76792888     +0.17729807
    e   0.2967586      Incl.   19.33704     +0.52166128     +0.38449838
    P   1.12           H   21.0           G   0.15           U   8
    Residuals in seconds of arc
    170407 G96  0.1-  0.0     170407 F51  0.2-  0.1+    170409 H01  0.4-  0.2+
    170407 G96  0.2-  0.1+    170407 F51  0.0   0.1+    170409 H01  0.5-  0.3+
    170407 G96  0.2-  0.2-    170407 F51  0.2-  0.1+    170409 H01  0.4-  0.0
    170407 G96  0.1+  0.3+    170408 J95  0.0   0.8-    170409 H01  0.2-  0.2+
    170407 G96  0.1-  0.1-    170408 J95  0.4+  0.6-    170409 807  0.1+  0.3-
    170407 G96  0.2+  0.1+    170408 J95  0.2-  0.1+    170409 807  0.1+  0.2-
    170407 G96  0.1+  0.0     170408 G96  0.9-  1.6+    170409 807  0.0   0.3-
    170407 G96  0.2+  0.0     170408 G96  0.3+  0.3+    170409 926  0.3+  0.5+
    170407 291  0.4+  0.2+    170408 G96  0.5+  0.7-    170409 926  0.1-  0.3+
    170407 291  0.2+  0.2+    170408 691  0.2+  0.2+    170409 926  0.1+  0.4+
    170407 291  0.2+  0.3+    170408 691  0.2+  0.1+
    170407 F51  0.2-  0.0     170408 691  0.2+  0.2+
    
    Ephemeris:
    2017 GW6                 a,e,i = 1.08, 0.30, 19                  q = 0.7568
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 03 11    16 42 45.1 +10 54 20   0.3732  1.1257   101.0    60.0    21.3
    ...
    2017 03 26    16 18 10.1 +06 14 33   0.3233  1.1918   119.8    46.6    20.7
    ...
    2017 04 03    15 54 39.7 +02 55 39   0.3001  1.2237   132.8    36.8    20.3
    ...
    2017 04 09    15 31 43.9 -00 01 57   0.2880  1.2460   144.0    28.2    20.0
    2017 04 10    15 27 30.5 -00 33 41   0.2865  1.2496   146.0    26.6    20.0
    2017 04 11    15 23 11.0 -01 05 54   0.2853  1.2532   148.0    25.1    19.9
    ...
    2017 04 17    14 55 32.5 -04 26 22   0.2827  1.2735   160.4    15.4    19.6
    ...
    2017 04 25    14 17 04.5 -08 51 06   0.2931  1.2983   175.4     3.6    19.2
    ...
    2017 05 10    13 17 44.6 -15 20 03   0.3553  1.3374   153.6    19.6    20.4
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-G80
    

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