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  • MPEC 2017-G44 : 2017 GO4

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    M.P.E.C. 2017-G44                                Issued 2017 Apr. 4, 18:09 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 GO4
    
    Observations:
         K17G04O  C2017 03 25.49712 13 01 52.651-23 34 38.09         20.8 wLEG044F51
         K17G04O  C2017 03 25.50757 13 01 51.136-23 34 06.12         20.8 wLEG044F51
         K17G04O* C2017 04 01.45974 12 45 31.529-14 59 08.55         19.6 wLEG044F51
         K17G04O  C2017 04 01.47004 12 45 29.010-14 58 03.40         19.7 wLEG044F51
         K17G04O  C2017 04 01.49063 12 45 23.993-14 55 52.48         19.7 wLEG044F51
         K17G04O |C2017 04 02.21014 12 43 07.33 -13 35 11.5          19.9 VuEG044807
         K17G04O |C2017 04 02.21142 12 43 07.00 -13 35 02.7          19.6 VuEG044807
         K17G04O |C2017 04 02.21269 12 43 06.66 -13 34 54.7          19.1 VuEG044807
         K17G04O |C2017 04 02.21397 12 43 06.36 -13 34 45.6          19.8 VuEG044807
         K17G04O |C2017 04 02.21524 12 43 06.05 -13 34 36.7          19.8 VuEG044807
         K17G04O  C2017 04 02.40810 12 42 23.27 -13 14 50.5          19.7 VoEG044691
         K17G04O  C2017 04 02.41932 12 42 20.52 -13 13 30.7          19.7 VoEG044691
         K17G04O  C2017 04 02.43053 12 42 17.76 -13 12 11.3          19.8 VoEG044691
         K17G04O KC2017 04 02.89300 12 40 50.37 -12 17 38.3          18.6 RoEG044K88
         K17G04O KC2017 04 02.89756 12 40 49.21 -12 17 05.0          18.8 RoEG044K88
         K17G04O KC2017 04 02.90212 12 40 48.05 -12 16 32.0          18.8 RoEG044K88
         K17G04O KC2017 04 02.94135 12 40 40.64 -12 11 38.7          19.5 VqEG044I93
         K17G04O KC2017 04 02.94595 12 40 39.42 -12 11 04.6          19.1 VqEG044I93
         K17G04O KC2017 04 02.95079 12 40 38.17 -12 10 28.6          19.3 VqEG044I93
         K17G04O KC2017 04 02.95672 12 40 36.75 -12 09 42.8          19.2 VUEG044958
         K17G04O KC2017 04 02.96306 12 40 35.14 -12 08 56.3          19.0 VUEG044958
         K17G04O KC2017 04 02.96939 12 40 33.47 -12 08 09.7          19.1 VUEG044958
         K17G04O |C2017 04 03.16526 12 39 51.74 -11 40 52.1          19.4 VuEG044807
         K17G04O |C2017 04 03.16653 12 39 51.39 -11 40 42.6          19.3 VuEG044807
         K17G04O |C2017 04 03.16797 12 39 51.00 -11 40 31.8          19.4 VuEG044807
         K17G04O  C2017 04 03.19211 12 39 50.25 -11 39 58.6          19.7 RuEG044926
         K17G04O  C2017 04 03.19498 12 39 49.48 -11 39 37.3          19.5 RuEG044926
         K17G04O  C2017 04 03.19784 12 39 48.76 -11 39 15.3          19.2 RuEG044926
         K17G04O  C2017 04 03.23689 12 39 38.32 -11 34 24.6          19.4 VqEG044I52
         K17G04O  C2017 04 03.23786 12 39 38.08 -11 34 17.0          19.2 VqEG044I52
         K17G04O  C2017 04 03.24083 12 39 37.26 -11 33 54.9          19.2 VqEG044I52
         K17G04O  C2017 04 03.24165 12 39 37.04 -11 33 48.9          19.6 VqEG044I52
         K17G04O HC2017 04 03.41888 12 38 48.92 -11 11 01.5          19.3 RoEG044691
         K17G04O  C2017 04 03.42079 12 38 48.41 -11 10 46.5          19.7 VoEG044691
         K17G04O HC2017 04 03.42535 12 38 47.23 -11 10 10.8          19.2 RoEG044691
         K17G04O  C2017 04 03.42727 12 38 46.69 -11 09 55.3          19.6 VoEG044691
         K17G04O HC2017 04 03.43165 12 38 45.58 -11 09 20.5          19.4 RoEG044691
         K17G04O  C2017 04 03.43357 12 38 45.06 -11 09 05.6          19.8 VoEG044691
         K17G04O KC2017 04 03.92042 12 37 02.83 -10 05 01.7          18.8 RoEG044K88
         K17G04O KC2017 04 03.92542 12 37 01.46 -10 04 20.7          19.0 RoEG044K88
         K17G04O KC2017 04 03.93042 12 37 00.04 -10 03 39.7          18.9 RoEG044K88
         K17G04O  C2017 04 04.41897 12 34 58.41 -08 54 36.6          19.7 VoEG044691
         K17G04O  C2017 04 04.43037 12 34 55.24 -08 52 57.5          19.5 VoEG044691
         K17G04O  C2017 04 04.44175 12 34 52.03 -08 51 17.4          20.0 VoEG044691
    
    Observer details:
    691 Steward Observatory, Kitt Peak.  Observers J. V. Scotti, 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.  0.41-m f/3.75 astrograph + CCD, 0.81-m f/7 Ritchey-Chretien
        + CCD.
    958 Observatoire de Dax.  Observers P. Dupouy, J. B. de Vanssay.  Measurer
        P. Dupouy.  0.43-m f/2.7 reflector + 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.
    I52 Steward Observatory, Mt. Lemmon Station.  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.  1.0-m reflector + CCD.
    I93 St Pardon de Conques.  Observer F. Losse.  0.40-m f/3.7 reflector + CCD.
    K88 GINOP-KHK, Piszkesteto.  Observer K. Sarneczky.  0.60-m Schmidt + CCD.
    
    Orbital elements:
    2017 GO4                                                 Earth MOID = 0.0248 AU
    Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
    M 196.89175              (2000.0)            P               Q
    n   1.04892153     Peri.  128.77880     +0.81925146     +0.57243502
    a   0.9593433      Node   196.39008     -0.55626530     +0.77900452
    e   0.1829407      Incl.    6.88796     -0.13926940     +0.25587126
    P   0.94           H   24.9           G   0.15           U   7
    Residuals in seconds of arc
    170325 F51  0.1+  0.1+    170402 K88  0.2+  0.5-    170403 I52  0.1-  0.2-
    170325 F51  0.1+  0.0     170402 I93  0.6+  0.9-    170403 I52  0.1-  0.4-
    170401 F51  0.0   0.1-    170402 I93  0.0   0.5-    170403 691  0.1+  0.1+
    170401 F51  0.0   0.1-    170402 I93  0.1-  0.0     170403 691  0.0   0.1+
    170401 F51  0.1-  0.1-    170402 958  0.5-  1.0+    170403 691  0.2+  0.1-
    170402 807  0.3-  0.0     170402 958  0.1-  0.9+    170403 691  0.3-  0.3+
    170402 807  0.3-  0.0     170402 958  0.6-  1.0+    170403 691  0.2+  0.6+
    170402 807  0.6-  0.7-    170403 807  0.2-  0.1-    170403 691  0.1-  0.4+
    170402 807  0.2-  0.3-    170403 807  0.2-  0.1-    170403 K88  0.7+  0.4-
    170402 807  0.0   0.1-    170403 807  0.2-  0.2-    170403 K88  0.8+  0.2-
    170402 691  0.2-  0.1+    170403 926  0.3+  0.6-    170403 K88  0.3+  0.1-
    170402 691  0.0   0.5+    170403 926  0.1-  0.7-    170404 691  0.3-  0.2+
    170402 691  0.4-  0.4+    170403 926  0.3+  0.0     170404 691  0.5+  0.3-
    170402 K88  0.4+  0.3-    170403 I52  0.1-  0.2-    170404 691  0.1+  0.2+
    170402 K88  0.3+  0.2-    170403 I52  0.2+  0.1+
    
    Ephemeris:
    2017 GO4                 a,e,i = 0.96, 0.18, 7                   q = 0.7838
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 03 05    13 13 00.5 -30 06 40   0.1687  1.1120   132.1    41.4    22.9
    ...
    2017 03 20    13 09 02.6 -27 02 43   0.1062  1.0871   147.7    29.3    21.5
    ...
    2017 03 28    12 57 07.5 -21 09 51   0.07647 1.0704   160.3    18.3    20.4
    ...
    2017 04 03    12 40 25.7 -12 02 23   0.05701 1.0564   172.9     6.7    19.3
    2017 04 04    12 36 43.9 -09 51 57   0.05412 1.0539   174.3     5.4    19.1
    2017 04 05    12 32 42.2 -07 26 49   0.05136 1.0515   174.1     5.6    19.0
    ...
    2017 04 11    11 59 01.7 +13 25 21   0.03858 1.0359   150.8    28.1    19.2
    ...
    2017 04 19    10 22 24.2 +51 47 20   0.03741 1.0136   103.2    74.7    20.4
    ...
    2017 05 04    04 35 59.9 +66 33 29   0.07186 0.9677    53.9   122.7    24.2
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-G44
    

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