[Iaude] MPEC H48: 2017 HK2 [a=1.20,e=0.15,i=13.9,H=25.0]

mpec at si.edu mpec at si.edu
Sat Apr 22 19:21:21 EDT 2017


M.P.E.C. 2017-H48                                Issued 2017 Apr. 22, 23:17 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 at CFA.HARVARD.EDU
            URL http://www.minorplanetcenter.net/    ISSN 1523-6714


                                   2017 HK2
 
Observations:
     K17H02K* C2017 04 20.45045 14 43 40.830-14 10 05.37         21.4 wLEH048F51
     K17H02K  C2017 04 20.46151 14 43 41.433-14 08 54.47         21.4 wLEH048F51
     K17H02K  C2017 04 20.47255 14 43 42.022-14 07 43.81         21.9 wLEH048F51
     K17H02K |C2017 04 21.27096 14 44 46.18 -12 39 55.8          21.9 VuEH048807
     K17H02K |C2017 04 21.27839 14 44 46.54 -12 39 06.1          21.9 VuEH048807
     K17H02K |C2017 04 21.28581 14 44 46.94 -12 38 16.7          21.9 VuEH048807
     K17H02K _C2017 04 21.43419214 45 01.373-12 22 45.28         21.2 GUEH048568
     K17H02K _C2017 04 21.43517614 45 01.430-12 22 38.63         21.2 GUEH048568
     K17H02K _C2017 04 21.43617714 45 01.479-12 22 31.93         21.2 GUEH048568
     K17H02K KC2017 04 21.47617 14 45 00.93 -12 18 10.8                oEH048291
     K17H02K KC2017 04 21.48017 14 45 01.22 -12 17 44.0                oEH048291
     K17H02K KC2017 04 21.48420 14 45 01.47 -12 17 16.8                oEH048291
     K17H02K KC2017 04 22.07754014 45 50.67 -11 08 50.7          21.0 GUEH048K91
     K17H02K KC2017 04 22.08656814 45 51.22 -11 07 48.2          21.3 GUEH048K91
     K17H02K KC2017 04 22.09561414 45 51.80 -11 06 45.4          20.7 GUEH048K91
     K17H02K  C2017 04 22.29309 14 46 11.98 -10 45 13.8                oEH048926
     K17H02K  C2017 04 22.29854 14 46 12.29 -10 44 36.4                oEH048926
     K17H02K  C2017 04 22.30528 14 46 12.67 -10 43 49.4          21.3 RoEH048926
     K17H02K  C2017 04 22.35304514 46 15.10 -10 38 19.4          21.5 GUEH048H01
     K17H02K  C2017 04 22.36073214 46 15.54 -10 37 25.7          21.6 GUEH048H01
     K17H02K  C2017 04 22.36832114 46 15.97 -10 36 32.6          21.5 GUEH048H01
     K17H02K  C2017 04 22.37436114 46 16.32 -10 35 50.4          21.1 GUEH048H01
     K17H02K KC2017 04 22.51720314 46 30.06 -10 17 41.6          21.2 RtEH048474
     K17H02K KC2017 04 22.51907014 46 30.14 -10 17 28.5          20.8 RtEH048474
     K17H02K KC2017 04 22.52253714 46 30.43 -10 17 04.0          20.7 RtEH048474
     K17H02K KC2017 04 22.52431514 46 30.49 -10 16 51.3          20.8 RtEH048474
 
Observer details:
291 LPL/Spacewatch II.  Observer T. H. Bressi.  1.8-m f/2.7 reflector + CCD.
474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore,
    P. M. Kilmartin.  Measurer P. M. Kilmartin.  1.0-m f/7.7 reflector + CCD.
568 Mauna Kea.  Observers R. J. Wainscoat, L. Wells.  Measurers M. Micheli,
    R. J. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + 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.  0.81-m f/7 Ritchey-Chretien + 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.
H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
    Measurer W. H. Ryan.  2.4-m f/8.9 reflector + CCD.
K91 Sutherland-LCOGT A.  Observers T. Lister, S. Greenstreet, E. Gomez.
    Measurer T. Lister.  1.0-m f/8 Ritchey-Chretien + CCD.
 
Orbital elements:
2017 HK2                                                 Earth MOID = 0.1078 AU
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
M 254.09187              (2000.0)            P               Q
n   0.74746153     Peri.   75.03115     +0.26132142     +0.95733905
a   1.2024771      Node   210.97907     -0.95183845     +0.23434918
e   0.1478646      Incl.   13.86443     -0.16035794     +0.16906329
P   1.32           H   25.0           G   0.15           U   7
Residuals in seconds of arc
170420 F51  0.1-  0.2-    170421 291  0.0   0.4+    170422 H01  0.1-  0.2-
170420 F51  0.0   0.1+    170421 291  0.4+  0.1+    170422 H01  0.1-  0.2-
170420 F51  0.0   0.1+    170421 291  0.2+  0.0     170422 H01  0.2-  0.1-
170421 807  0.6+  0.1-    170422 K91  0.0   0.1+    170422 H01  0.2-  0.2-
170421 807  0.3-  0.0     170422 K91  0.1-  0.1-    170422 474  0.0   0.0
170421 807  0.7-  0.1-    170422 K91  0.0   0.1-    170422 474  0.5-  0.0
170421 568  0.0   0.3-    170422 926  0.0   0.2+    170422 474  0.6+  0.2+
170421 568  0.1+  0.2-    170422 926  0.0   0.2-    170422 474  0.1-  0.4+
170421 568  0.0   0.2-    170422 926  0.0   0.1+

Ephemeris:
2017 HK2                 a,e,i = 1.20, 0.15, 14                  q = 1.0247
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 03 23    14 04 36.1 -37 52 14   0.2646  1.1969   134.4    36.5    24.0
...
2017 04 07    14 25 34.9 -30 53 56   0.1831  1.1618   149.1    26.3    22.8
...
2017 04 15    14 36 19.8 -22 35 01   0.1478  1.1432   160.0    17.5    22.1
...
2017 04 21    14 44 25.0 -13 10 11   0.1272  1.1296   167.8    10.8    21.5
2017 04 22    14 45 46.7 -11 18 17   0.1244  1.1273   168.4    10.3    21.4
2017 04 23    14 47 08.8 -09 21 24   0.1218  1.1251   168.6    10.2    21.3
...
2017 04 29    14 55 35.0 +03 49 32   0.1107  1.1119   160.3    17.8    21.4
...
2017 05 07    15 07 58.9 +22 53 40   0.1091  1.0951   140.3    36.1    21.9
...
2017 05 22    15 36 23.0 +49 18 14   0.1359  1.0670   110.2    62.9    23.0

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-H48




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