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  • MPEC 2017-B114: 2017 BG30

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    M.P.E.C. 2017-B114                               Issued 2017 Jan. 29, 16:42 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 BG30
    
    Observations:
         K17B30G* C2017 01 28.21921 09 00 26.40 +15 21 57.8          20.9 VqEB114G96
         K17B30G  C2017 01 28.22117 09 00 26.26 +15 21 41.1          20.8 VqEB114G96
         K17B30G  C2017 01 28.22158 09 00 26.16 +15 21 38.6          21.0 VqEB114G96
         K17B30G  C2017 01 28.22200 09 00 26.09 +15 21 35.0          21.6 VqEB114G96
         K17B30G  C2017 01 28.24884809 00 21.61 +15 17 37.3          21.7 GUEB114H01
         K17B30G  C2017 01 28.25406609 00 21.05 +15 16 52.4          20.6 GUEB114H01
         K17B30G  C2017 01 28.26519109 00 19.80 +15 15 15.9          21.7 GUEB114H01
         K17B30G  C2017 01 28.27571509 00 18.57 +15 13 43.8          21.0 GUEB114H01
         K17B30G KC2017 01 28.93616 09 00 58.90 +13 25 50.0          19.9 RoEB114K88
         K17B30G KC2017 01 28.94370 09 00 58.24 +13 24 32.4          20.2 RoEB114K88
         K17B30G  C2017 01 29.17427609 01 37.07 +12 45 04.5          20.7 GUEB114H01
         K17B30G  C2017 01 29.17738909 01 36.91 +12 44 32.2          21.0 GUEB114H01
         K17B30G  C2017 01 29.18740909 01 36.30 +12 42 47.9          20.8 GUEB114H01
         K17B30G  C2017 01 29.19497609 01 35.78 +12 41 28.8          20.1 GUEB114H01
         K17B30G  C2017 01 29.32330 09 01 23.32 +12 18 27.4                qEB114I52
         K17B30G  C2017 01 29.32476 09 01 23.12 +12 18 10.4          21.2 VqEB114I52
         K17B30G  C2017 01 29.32623 09 01 22.90 +12 17 53.7          20.4 VqEB114I52
         K17B30G  C2017 01 29.32770 09 01 22.70 +12 17 37.3          21.3 VqEB114I52
         K17B30G  C2017 01 29.33882 09 01 21.18 +12 15 32.2          20.5 VqEB114G96
         K17B30G  C2017 01 29.34081 09 01 20.92 +12 15 08.8          20.8 VqEB114G96
         K17B30G  C2017 01 29.34279 09 01 20.65 +12 14 46.6          20.4 VqEB114G96
         K17B30G  C2017 01 29.34477 09 01 20.35 +12 14 24.6          20.5 VqEB114G96
    
    Observer details:
    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.  Observer 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.
    K88 GINOP-KHK, Piszkesteto.  Observer K. Sarneczky.  0.60-m Schmidt + CCD.
    
    Orbital elements:
    2017 BG30                                                Earth MOID = 0.0061 AU
    Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
    M 321.29294              (2000.0)            P               Q
    n   0.90679794     Peri.  250.11711     -0.96474537     +0.26212709
    a   1.0571315      Node   305.07235     -0.22941038     -0.88145838
    e   0.1089662      Incl.    1.65061     -0.12898544     -0.39283650
    P   1.09           H   29.5           G   0.15           U   6
    Residuals in seconds of arc
    170128 G96  0.4+  0.4-    170128 K88  0.1+  0.6+    170129 I52  0.2-  0.4-
    170128 G96  0.8+  0.7-    170128 K88  0.4+  0.5+    170129 I52  0.2-  0.2-
    170128 G96  0.1-  0.3+    170129 H01  0.1-  0.6-    170129 G96  0.0   0.7+
    170128 G96  0.6-  0.2+    170129 H01  0.1+  0.6-    170129 G96  0.2+  0.1-
    170128 H01  0.3-  0.1+    170129 H01  0.0   0.5-    170129 G96  0.2+  0.2+
    170128 H01  0.2-  0.2+    170129 H01  0.0   0.3-    170129 G96  0.2-  0.8+
    170128 H01  0.1-  0.2+    170129 I52  0.0   0.3+
    170128 H01  0.1-  0.0     170129 I52  0.0   0.3-
    
    Ephemeris:
    2017 BG30                a,e,i = 1.06, 0.11, 2                   q = 0.9419
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2016 12 30    08 40 57.6 +31 11 16   0.07944 1.0538   151.4    26.5    25.3
    ...
    2017 01 14    08 51 19.5 +28 47 38   0.04477 1.0264   162.8    16.5    23.7
    ...
    2017 01 22    08 55 38.1 +24 30 45   0.02854 1.0123   169.8     9.9    22.4
    ...
    2017 01 28    08 59 53.7 +15 56 32   0.01731 1.0021   175.1     4.8    21.1
    2017 01 29    09 00 58.8 +13 20 14   0.01555 1.0005   174.1     5.8    20.9
    2017 01 30    09 02 17.6 +10 04 55   0.01384 0.9988   171.8     8.1    20.8
    ...
    2017 02 05    09 28 51.0 -44 20 42   0.0064300.9891   119.6    60.1    20.7
    ...
    2017 02 13    20 27 18.4 -58 19 05   0.01529 0.9770    47.3   132.1    26.3
    ...
    2017 02 28    20 50 45.3 -40 26 29   0.04308 0.9585    41.0   137.3    29.1
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-B114
    

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