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  • MPEC 2017-H34 : 2017 HG1

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    M.P.E.C. 2017-H34                                Issued 2017 Apr. 21, 11:11 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 HG1
    
    Observations:
         K17H01G* C2017 04 19.13006 11 34 47.91 -01 40 49.1          18.8 VqEH034G96
         K17H01G  C2017 04 19.13643 11 34 42.48 -01 36 01.5          19.5 VqEH034G96
         K17H01G  C2017 04 19.13884 11 34 40.49 -01 34 09.1          19.1 VqEH034G96
         K17H01G  C2017 04 19.17986 11 34 05.61 -01 03 14.3          19.0 VqEH034G96
         K17H01G  C2017 04 19.18108 11 34 04.59 -01 02 21.3          19.2 VqEH034G96
         K17H01G  C2017 04 19.29523 11 32 30.68 +00 20 05.6          19.3 VqEH034G96
         K17H01G  C2017 04 19.29564 11 32 30.37 +00 20 22.5          19.1 VqEH034G96
         K17H01G  C2017 04 19.29645 11 32 29.74 +00 20 56.7          19.2 VqEH034G96
         K17H01G  C2017 04 19.33511 11 32 01.02 +00 47 45.5          19.4 VqEH034G96
         K17H01G  C2017 04 19.33552 11 32 00.72 +00 48 02.6          19.4 VqEH034G96
         K17H01G  C2017 04 19.33632 11 32 00.15 +00 48 34.9          19.5 VqEH034G96
         K17H01G KC2017 04 19.95200 11 27 40.17 +06 51 24.4          19.4 VqEH034I93
         K17H01G KC2017 04 19.95493 11 27 38.55 +06 52 52.3          19.6 VqEH034I93
         K17H01G KC2017 04 19.95833 11 27 36.53 +06 54 36.9          19.4 VqEH034I93
         K17H01G  C2017 04 20.13028 11 26 59.34 +08 20 17.7          19.6 VqEH034G96
         K17H01G  C2017 04 20.13068 11 26 59.13 +08 20 29.2          19.9 VqEH034G96
         K17H01G  C2017 04 20.13109 11 26 58.91 +08 20 40.2          19.4 VqEH034G96
         K17H01G  C2017 04 20.13149 11 26 58.67 +08 20 51.8          19.5 VqEH034G96
         K17H01G  C2017 04 20.26157 11 26 12.873+09 21 58.03         20.0 wLEH034F51
         K17H01G  C2017 04 20.27377 11 26 05.897+09 27 22.23         20.2 wLEH034F51
         K17H01G  C2017 04 20.28590 11 25 58.893+09 32 42.89         19.9 wLEH034F51
         K17H01G KC2017 04 20.81278 11 23 14.00 +12 54 07.9          19.8 RUEH034K51
         K17H01G KC2017 04 20.81441 11 23 13.27 +12 54 42.3          19.8 RUEH034K51
         K17H01G KC2017 04 20.81603 11 23 12.58 +12 55 16.1          19.9 RUEH034K51
         K17H01G KC2017 04 20.88653 11 22 42.24 +13 19 42.1          20.1  SEH034104
         K17H01G KC2017 04 20.89239 11 22 39.72 +13 21 40.4          19.8  SEH034104
         K17H01G KC2017 04 20.89971 11 22 36.57 +13 24 07.4          19.7  SEH034104
         K17H01G  C2017 04 21.16341 11 21 42.00 +14 49 36.9          20.3 VqEH034I52
         K17H01G  C2017 04 21.16441 11 21 41.57 +14 49 54.8          20.4 VqEH034I52
         K17H01G  C2017 04 21.16620 11 21 40.80 +14 50 27.5                qEH034I52
         K17H01G  C2017 04 21.16696 11 21 40.46 +14 50 41.2          20.5 VqEH034I52
         K17H01G KC2017 04 21.18735 11 21 32.22 +14 56 55.2          18.9 RoEH034691
         K17H01G KC2017 04 21.20028 11 21 26.65 +15 00 47.8          19.0 RoEH034691
         K17H01G KC2017 04 21.21323 11 21 21.19 +15 04 35.2          19.4 RoEH034691
    
    Observer details:
    104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri.  Measurers
        P. Bacci, L. Tesi, G. Fagioli.  0.60-m f/4 reflector + CCD.
    691 Steward Observatory, Kitt Peak.  Observer T. H. Bressi.  0.9-m f/3
        reflector + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, B. Gibson, T. Goggia,
        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 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.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer G. J. Leonard.
        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.
    K51 Osservatorio del Celado, Castello Tesino.  Observers G. Favero, R. Furgoni.
        Measurer R. Furgoni.  0.80-m f/4 reflector + CCD.
    
    Orbital elements:
    2017 HG1                                                 Earth MOID = 0.0072 AU
    Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
    M  62.48405              (2000.0)            P               Q
    n   1.38381343     Peri.  197.69227     +0.68541827     -0.72566642
    a   0.7975373      Node   209.12817     +0.68209861     +0.66875921
    e   0.2974003      Incl.    7.09037     +0.25483972     +0.16176949
    P   0.71           H   27.4           G   0.15           U   7
    Residuals in seconds of arc
    170419 G96 (1.6+  4.8-)   170419 I93  0.6+  0.6-    170420 104  0.0   0.4-
    170419 G96 (0.5+  7.9-)   170419 I93  0.3-  0.8+    170420 104  0.3+  0.0
    170419 G96 (1.2+  5.2-)   170420 G96  0.2-  0.3-    170420 104  0.3+  0.2+
    170419 G96  0.1+  1.1+    170420 G96  0.0   0.1-    170421 I52  0.0   0.2+
    170419 G96  0.3+  0.3-    170420 G96  0.2+  0.7-    170421 I52  0.1-  0.1-
    170419 G96  0.1-  0.1+    170420 G96  0.1+  0.4-    170421 I52  0.2-  0.0
    170419 G96  0.0   0.3-    170420 F51  0.0   0.2+    170421 I52  0.4-  0.2-
    170419 G96  0.1-  0.1-    170420 F51  0.1+  0.1-    170421 691  0.1+  0.9+
    170419 G96  0.1+  0.2-    170420 F51  0.1-  0.1+    170421 691 (0.5-  1.9+)
    170419 G96  0.0   0.1+    170420 K51  0.1+  0.0     170421 691  0.2+  0.8-
    170419 G96  0.0   0.6-    170420 K51  0.2-  0.2+
    170419 I93  0.6-  0.5+    170420 K51  0.0   0.0
    
    Ephemeris:
    2017 HG1                 a,e,i = 0.80, 0.30, 7                   q = 0.5603
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 03 22    22 59 38.0 -40 09 47   0.09556 0.9292    43.3   132.6    28.1
    ...
    2017 04 06    22 44 43.6 -47 41 34   0.04082 0.9819    61.7   116.2    25.0
    ...
    2017 04 14    21 26 00.5 -69 47 16   0.01298 1.0028    89.1    90.1    21.2
    ...
    2017 04 20    11 27 31.9 +07 21 45   0.01352 1.0150   139.6    39.9    19.7
    2017 04 21    11 22 16.3 +14 01 14   0.01678 1.0167   134.2    45.1    20.3
    2017 04 22    11 18 39.3 +18 27 29   0.02020 1.0183   130.1    49.0    20.8
    ...
    2017 04 28    11 10 06.9 +28 59 50   0.04176 1.0263   116.9    61.0    22.7
    ...
    2017 05 06    11 09 19.7 +32 33 30   0.07082 1.0325   107.7    68.6    24.1
    ...
    2017 05 21    11 14 36.3 +34 03 05   0.1226  1.0298    94.9    78.3    25.6
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-H34
    

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