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  • MPEC 2016-H09 : 2016 GY221

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    M.P.E.C. 2016-H09                                Issued 2016 Apr. 16, 20:01 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
    
                                      2016 GY221
    
    Observations:
         K16GM1Y* C2016 04 15.41819 15 24 51.37 +16 59 47.0                qEH009703
         K16GM1Y  C2016 04 15.42421 15 24 51.21 +16 57 49.6          18.8 VqEH009703
         K16GM1Y  C2016 04 15.43023 15 24 50.99 +16 55 51.6          18.7 VqEH009703
         K16GM1Y  C2016 04 15.46408 15 24 50.22 +16 44 43.0          18.9 VqEH009703
         K16GM1Y  C2016 04 15.47021 15 24 50.12 +16 42 41.5          18.7 VqEH009703
         K16GM1Y  C2016 04 15.47633 15 24 50.04 +16 40 39.7          19.0 VqEH009703
         K16GM1Y  C2016 04 15.48246 15 24 49.88 +16 38 38.4          18.7 VqEH009703
         K16GM1Y  C2016 04 15.64073 15 25 08.02 +15 46 10.0          18.8 VqEH009900
         K16GM1Y  C2016 04 15.64829 15 25 07.86 +15 43 39.5          19.0 VqEH009900
         K16GM1Y  C2016 04 15.65584 15 25 07.67 +15 41 08.5          18.8 VqEH009900
         K16GM1Y  C2016 04 15.65628 15 25 08.13 +15 41 01.4          18.7 VoEH009300
         K16GM1Y  C2016 04 15.65896 15 25 08.04 +15 40 06.6          18.9 VoEH009300
         K16GM1Y  C2016 04 15.66060 15 25 08.01 +15 39 34.4          18.9 VoEH009300
         K16GM1Y  C2016 04 15.66225 15 25 08.00 +15 39 02.1          18.8 VoEH009300
         K16GM1Y  C2016 04 15.66339 15 25 07.46 +15 38 37.4          18.7 VqEH009900
         K16GM1Y  C2016 04 15.66389 15 25 07.98 +15 38 28.9          18.9 VoEH009300
         K16GM1Y KC2016 04 15.91558 15 25 23.65 +14 12 32.3          18.6 RqEH009160
         K16GM1Y KC2016 04 15.91740 15 25 23.67 +14 11 55.0          19.1 RqEH009160
         K16GM1Y KC2016 04 15.91922 15 25 23.69 +14 11 18.2          19.0 RqEH009160
         K16GM1Y KC2016 04 15.92102 15 25 23.71 +14 10 41.6          19.1 RqEH009160
         K16GM1Y KC2016 04 15.92282 15 25 23.68 +14 10 04.4          18.8 RqEH009160
         K16GM1Y  C2016 04 16.29054 15 25 39.55 +12 02 25.1          19.3 RuEH009926
         K16GM1Y  C2016 04 16.29256 15 25 39.54 +12 01 43.7          19.1 RuEH009926
         K16GM1Y  C2016 04 16.29454 15 25 39.47 +12 01 01.3          18.8 RuEH009926
         K16GM1Y KC2016 04 16.33919 15 25 33.64 +11 44 47.0          19.0 VqEH009H21
         K16GM1Y KC2016 04 16.34220 15 25 33.58 +11 43 42.6          18.9 VqEH009H21
         K16GM1Y KC2016 04 16.34512 15 25 33.49 +11 42 39.9          18.8 VqEH009H21
         K16GM1Y KC2016 04 16.34805 15 25 33.43 +11 41 37.0          19.0 VqEH009H21
         K16GM1Y KC2016 04 16.35104 15 25 33.35 +11 40 33.0          19.1 VqEH009H21
         K16GM1Y  C2016 04 16.40226 15 25 36.29 +11 22 41.6          19.0 RuEH009926
         K16GM1Y  C2016 04 16.40424 15 25 36.22 +11 21 58.4          19.0 RuEH009926
         K16GM1Y  C2016 04 16.40623 15 25 36.13 +11 21 15.2          19.0 RuEH009926
         K16GM1Y  C2016 04 16.59956 15 25 39.116+10 11 53.01         19.3 wLEH009F51
         K16GM1Y  C2016 04 16.61935 15 25 38.629+10 04 36.83         18.9 wLEH009F51
    
    Observer details:
    160 Castelmartini.  Observers M. Jaeger, E. Prosperi, S. Prosperi, W. Vollmann.
        Measurer E. Prosperi.  0.35-m f/10 Schmidt-Cassegrain + CCD.
    300 Bisei Spaceguard Center--BATTeRS.  Observers S. Okumura, T. Nimura.  1.0-m
        f/3.0 reflector + CCD.
    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 + CCD.
    900 Moriyama.  Observer Y. Ikari.  0.26-m f/7.0 reflector + CCD.
    926 Tenagra II Observatory.  Observers M. Schwartz, P. R. Holvorcem.  Measurer
        M. Schwartz.  0.41-m f/3.75 astrograph + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers B. Gibson, T. Goggia, N. Primak,
        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.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers L. Buzzi, T. Linder, S. Foglia, T. Vorobjov.  0.61-m f/4.0
        astrograph + CCD.
    
    Orbital elements:
    2016 GY221                                               Earth MOID = 0.0354 AU
    Epoch 2016 Jan. 13.0 TT = JDT 2457400.5                 MPC
    M 309.54542              (2000.0)            P               Q
    n   0.56533976     Peri.  169.76213     -0.92653916     +0.35483412
    a   1.4485373      Node    31.92721     -0.35970438     -0.73831907
    e   0.2836576      Incl.   13.66899     -0.11017238     -0.57356578
    P   1.74           H   24.4           G   0.15           U   7
    Residuals in seconds of arc
    160415 703  0.5+  1.4-    160415 300  0.2-  0.3+    160416 H21  0.0   0.0
    160415 703  0.5+  0.4-    160415 300  0.3+  0.9+    160416 H21  0.2+  0.1+
    160415 703  0.4-  0.1+    160415 900  0.0   0.2-    160416 H21  0.0   0.0
    160415 703  0.3-  0.2+    160415 300  0.6+  0.5+    160416 H21  0.1+  0.1-
    160415 703  0.1-  0.3+    160415 160  0.9-  0.4-    160416 H21  0.0   0.1+
    160415 703  0.3+  0.0     160415 160  0.6-  0.6-    160416 926  0.1+  1.0+
    160415 703  0.6-  0.5+    160415 160  0.3-  0.2-    160416 926  0.0   0.5+
    160415 900  0.2+  0.1-    160415 160  0.0   0.1-    160416 926  0.4-  0.2+
    160415 900  0.4+  0.2+    160415 160  0.4-  0.5-    160416 F51  0.0   0.2+
    160415 900  0.3+  0.1-    160416 926  0.1+  1.2-    160416 F51  0.0   0.3-
    160415 300  0.0   0.9+    160416 926  0.5+  0.2+
    160415 300  0.3-  0.3-    160416 926  0.1+  0.3-
    
    Ephemeris:
    2016 GY221               a,e,i = 1.45, 0.28, 14                  q = 1.0376
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2016 03 17    14 46 42.2 +62 08 20   0.1597  1.0619   110.6    61.3    22.7
    ...
    2016 04 01    15 10 22.0 +54 13 12   0.09641 1.0417   113.6    61.5    21.6
    ...
    2016 04 09    15 19 22.7 +41 24 19   0.06406 1.0378   122.9    54.1    20.5
    ...
    2016 04 15    15 24 34.6 +19 14 20   0.04493 1.0382   140.1    38.3    19.3
    2016 04 16    15 25 20.0 +13 45 39   0.04276 1.0385   144.1    34.5    19.1
    2016 04 17    15 26 03.6 +07 44 42   0.04103 1.0389   148.1    30.7    18.9
    ...
    2016 04 23    15 29 40.5 -32 07 01   0.04218 1.0430   152.1    26.8    18.8
    ...
    2016 05 01    15 31 37.5 -63 12 56   0.06685 1.0525   130.8    46.4    20.4
    ...
    2016 05 16    15 23 48.4 -79 07 05   0.1306  1.0823   120.0    54.0    22.1
    
    A. U. Tomatic                (C) Copyright 2016 MPC           M.P.E.C. 2016-H09
    

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