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  • MPEC 2017-B132: 2017 BH30

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    M.P.E.C. 2017-B132                               Issued 2017 Jan. 30, 03:40 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 BH30
    
                              Revision to MPEC 2017-B121
    
    Additional Observations:
         K17B30H KC2017 01 29.78725 07 31 32.95 +18 54 11.9          17.0 RqEB132160
         K17B30H KC2017 01 29.78883 07 31 32.07 +18 55 28.7          17.2 RqEB132160
         K17B30H KC2017 01 29.78962 07 31 31.63 +18 56 08.0          17.1 RqEB132160
         K17B30H KC2017 01 29.79041 07 31 31.19 +18 56 47.2          16.9 RqEB132160
         K17B30H KC2017 01 29.79198 07 31 30.29 +18 58 05.0          17.5 RqEB132160
         K17B30H KC2017 01 29.81052707 31 02.93 +19 10 08.1          17.3 VqEB132G34
         K17B30H KC2017 01 29.81165807 31 02.25 +19 11 07.7          17.3 VqEB132G34
         K17B30H KC2017 01 29.81294807 31 01.26 +19 12 19.0          17.2 VqEB132G34
         K17B30H KC2017 01 29.81423807 31 00.39 +19 13 27.6          16.8 VqEB132G34
         K17B30H KC2017 01 29.81569007 30 59.29 +19 14 49.1          17.5 VqEB132G34
         K17B30H KC2017 01 29.81698107 30 58.37 +19 15 58.9          17.4 VqEB132G34
         K17B30H KC2017 01 29.81815107 30 57.50 +19 17 02.7          17.7 VqEB132G34
         K17B30H KC2017 01 29.81938207 30 56.58 +19 18 11.0          17.5 VqEB132G34
         K17B30H KC2017 01 29.85053 07 30 35.24 +19 53 05.7          17.0 VSEB132595
         K17B30H KC2017 01 29.85247 07 30 33.20 +19 55 15.2          16.7 VSEB132595
         K17B30H KC2017 01 29.85611 07 30 29.28 +19 59 21.8          16.9 VSEB132595
         K17B30H KC2017 01 29.87141307 30 07.22 +20 13 40.7          16.9 VqEB132G34
         K17B30H KC2017 01 29.87362307 30 04.60 +20 16 26.1          17.4 VqEB132G34
         K17B30H KC2017 01 29.87473207 30 03.29 +20 17 48.8          16.4 VqEB132G34
         K17B30H KC2017 01 29.87583807 30 02.01 +20 19 10.9          17.5 VqEB132G34
         K17B30H KC2017 01 29.88057307 29 56.23 +20 25 12.3          17.0 VqEB132G34
         K17B30H  C2017 01 29.91397 07 29 07.47 +21 14 50.5                qEB132246
         K17B30H  C2017 01 29.91407 07 29 07.29 +21 15 01.3                qEB132246
         K17B30H  C2017 01 29.91417 07 29 06.94 +21 15 16.4                qEB132246
         K17B30H  C2017 01 29.91426 07 29 06.99 +21 15 18.6                qEB132246
         K17B30H  C2017 01 29.91435 07 29 06.84 +21 15 27.5                qEB132246
         K17B30H  C2017 01 29.91444 07 29 06.67 +21 15 36.2                qEB132246
         K17B30H  C2017 01 29.91454 07 29 06.53 +21 15 45.1                qEB132246
         K17B30H  C2017 01 29.91463 07 29 06.38 +21 15 53.9                qEB132246
         K17B30H  C2017 01 29.91472 07 29 06.23 +21 16 02.6                qEB132246
         K17B30H  C2017 01 30.03983 07 32 18.20 +27 05 46.3          15.3 RqEB132H36
         K17B30H  C2017 01 30.04000 07 32 18.07 +27 06 39.2          15.1 RqEB132H36
         K17B30H  C2017 01 30.04017 07 32 17.93 +27 07 32.4          15.2 RqEB132H36
         K17B30H  C2017 01 30.04043 07 32 17.72 +27 08 52.1          15.3 RqEB132H36
         K17B30H  C2017 01 30.05639907 33 00.93 +28 39 16.0          15.0 GUEB132H01
         K17B30H  C2017 01 30.06914107 32 54.71 +30 06 41.6          14.6 GUEB132H01
         K17B30H  C2017 01 30.08039607 32 45.38 +31 38 23.3          14.3 GUEB132H01
         K17B30H  C2017 01 30.09898707 32 18.74 +34 50 38.5          14.1 GUEB132H01
         K17B30H  C2017 01 30.13501 07 31 02.56 +45 22 03.0          13.9 VqEB132G96
         K17B30H  C2017 01 30.13513 07 31 01.88 +45 25 04.5          13.6 VqEB132G96
    
    Observer details:
    160 Castelmartini.  Observers M. Jaeger, E. Prosperi, S. Prosperi, W. Vollmann.
        Measurer E. Prosperi.  0.35-m f/10 Schmidt-Cassegrain + CCD.
    246 Klet Observatory-KLENOT.  Observers M. Tichy, J. Ticha.  Measurer M. Tichy.
        1.06-m KLENOT Telescope + CCD.
    595 Farra d'Isonzo.  Observers E. Pettarin, F. Piani.  Measurer E. Pettarin.
        0.61-m f/4.0 reflector + CCD.
    G34 Oberfrauendorf.  Observer T. Felber.  0.25-m f/10 Schmidt-Cassegrain + CCD
        + f/6.3 focal reducer.
    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.
    H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.
    
    Orbital elements:
    2017 BH30                                                Earth MOID = 0.0004 AU
    Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
    M 354.33747              (2000.0)            P               Q
    n   0.27755658     Peri.   56.80406     -0.99327606     +0.11298880
    a   2.3275643      Node   129.67052     -0.11410177     -0.91859464
    e   0.6508706      Incl.    1.87784     -0.01958200     -0.37870493
    P   3.55           H   28.8           G   0.15           U   4
    Residuals in seconds of arc
    170129 703  0.2+  0.1+    170129 Q62  0.6+  1.1-    170129 595  0.0   0.3-
    170129 703  0.4-  0.1-    170129 Q62  1.0+  1.1-    170129 595  0.1-  0.1+
    170129 703  0.1+  0.4+    170129 Q62 (1.5+  0.6-)   170129 G34  0.3+  0.7-
    170129 703  1.3+  0.8-    170129 K88  0.1+  0.1+    170129 G34  0.2-  1.2+
    170129 H01  0.0   0.1-    170129 K88  0.2+  0.2-    170129 G34  0.2-  1.1+
    170129 H01  0.0   0.1-    170129 K88  0.3+  0.2-    170129 G34  0.4+  0.1+
    170129 H01  0.0   0.0     170129 L04  0.4-  0.6+    170129 G34  0.3+  0.3-
    170129 H01  0.1-  0.1-    170129 L04  0.2-  0.6+    170129 246  0.2-  0.1-
    170129 I52  0.2-  0.2-    170129 K88  0.0   0.1-    170129 246  0.4-  1.2+
    170129 I52  0.1-  0.1-    170129 K88  0.1-  0.1-    170129 246 (3.0-  6.7+)
    170129 I52  0.1+  0.1+    170129 K88  0.0   0.3-    170129 246  0.2-  0.3+
    170129 I52  0.1+  0.1+    170129 K88  0.1-  0.5-    170129 246  0.3-  0.5+
    170129 703  0.0   0.6-    170129 470 (0.4-  2.2+)   170129 246  0.6-  0.6+
    170129 703  0.0   0.1-    170129 470 (0.2-  2.5+)   170129 246  0.2-  0.1-
    170129 703  0.5-  0.2-    170129 160  0.1+  0.4+    170129 246  0.2-  0.0
    170129 703  0.3-  0.3-    170129 160  0.0   0.3-    170129 246  0.3-  0.1+
    170129 H01  0.2-  0.1-    170129 160  0.1+  0.1+    170130 H36 (0.1+  4.0+)
    170129 G96  0.2-  0.2-    170129 160  0.2+  0.2+    170130 H36 (0.1+  4.9+)
    170129 G96  0.7-  0.4+    170129 160  0.3+  0.1-    170130 H36 (0.1-  6.0+)
    170129 G96  0.2-  0.2+    170129 G34  0.9-  0.4+    170130 H36 (0.2-  5.8+)
    170129 H01  0.1-  0.2-    170129 G34  0.7+  0.6-    170130 H01  0.2+  0.9-
    170129 H01  0.1-  0.1-    170129 G34  0.4-  1.2+    170130 H01  0.4+  0.7-
    170129 H01  0.2-  0.1-    170129 G34  0.4+  0.1-    170130 H01  0.1+  0.7-
    170129 G96  0.4-  0.1-    170129 G34 (0.2-  2.2+)   170130 H01  0.2+  0.3-
    170129 G96  0.3-  0.2+    170129 G34  0.2+  1.1+    170130 G96  0.2-  0.5+
    170129 G96  0.2-  0.3+    170129 G34  0.2+  0.2+    170130 G96  0.2-  0.0
    170129 G96  0.3-  0.1-    170129 G34  0.2+  0.0
    170129 Q62  1.3+  0.2+    170129 595  0.0   0.5-
    
    Ephemeris:
    2017 BH30                a,e,i = 2.33, 0.65, 2                   q = 0.8126
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2016 12 31    07 33 25.7 +14 25 13   0.2812  1.2570   164.9    11.7    27.3
    ...
    2017 01 15    07 33 06.2 +13 55 30   0.1342  1.1167   172.0     7.0    25.2
    ...
    2017 01 23    07 32 11.7 +13 56 56   0.06259 1.0454   167.1    12.1    23.6
    ...
    2017 01 29    07 31 12.9 +15 32 43   0.01043 0.9949   162.0    17.8    19.8
    2017 01 30    07 27 56.3 +25 00 53   0.0017960.9868   159.6    20.4    16.1
    2017 01 31    19 31 36.3 -14 25 39   0.0069340.9787    20.0   159.8    28.9
    ...
    2017 02 06    19 31 15.8 -17 02 27   0.05899 0.9333    25.7   152.7    31.5
    ...
    2017 02 14    19 34 02.7 -17 13 44   0.1301  0.8813    33.0   142.3    31.3
    ...
    2017 03 01    19 48 00.2 -17 05 58   0.2713  0.8206    44.7   121.8    30.5
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-B132
    

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