[Iaude] MPEC G47: 2017 GR4 [a=3.00,e=0.51,i=17.5,H=20.2]

mpec at si.edu mpec at si.edu
Tue Apr 4 14:23:21 EDT 2017


M.P.E.C. 2017-G47                                Issued 2017 Apr. 4, 18:20 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 GR4
 
Observations:
     K17G04R* C2017 04 01.54563 15 53 29.059-14 50 00.28         21.1 wLEG047F51
     K17G04R  C2017 04 01.55804 15 53 30.412-14 49 40.28         21.0 wLEG047F51
     K17G04R  C2017 04 01.57043 15 53 31.772-14 49 19.98         20.9 wLEG047F51
     K17G04R |C2017 04 02.34142 15 54 59.87 -14 27 58.5          20.9 VuEG047807
     K17G04R |C2017 04 02.34524 15 55 00.27 -14 27 52.2          21.0 VuEG047807
     K17G04R |C2017 04 02.34907 15 55 00.70 -14 27 45.7          21.0 VuEG047807
     K17G04R  C2017 04 02.46628 15 55 13.93 -14 24 45.5          21.0 RoEG047926
     K17G04R  C2017 04 02.47503 15 55 14.91 -14 24 31.0          21.4 RoEG047926
     K17G04R  C2017 04 02.48387 15 55 15.89 -14 24 16.0          21.7 RoEG047926
     K17G04R _C2017 04 02.63001915 55 32.255-14 20 09.70         20.9 GUEG047568
     K17G04R _C2017 04 02.63100515 55 32.358-14 20 08.07         21.1 GUEG047568
     K17G04R _C2017 04 02.63199415 55 32.468-14 20 06.38         21.1 GUEG047568
     K17G04R |C2017 04 03.22575 15 56 40.19 -14 03 13.8          20.9 VuEG047807
     K17G04R |C2017 04 03.22957 15 56 40.57 -14 03 07.6          21.3 VuEG047807
     K17G04R |C2017 04 03.23340 15 56 41.00 -14 03 01.1          21.3 VuEG047807
     K17G04R  C2017 04 03.42427 15 57 01.88 -13 57 52.1          21.0 RoEG047926
     K17G04R  C2017 04 03.42810 15 57 02.30 -13 57 45.2          21.1 RoEG047926
     K17G04R  C2017 04 03.43190 15 57 02.70 -13 57 38.8          20.7 RoEG047926
     K17G04R |C2017 04 04.31805 15 58 40.64 -13 31 59.8          21.1 VuEG047807
     K17G04R |C2017 04 04.32099 15 58 40.98 -13 31 54.6          21.4 VuEG047807
     K17G04R |C2017 04 04.32239 15 58 41.14 -13 31 52.4          21.3 VuEG047807
     K17G04R  C2017 04 04.48799 15 58 58.99 -13 27 19.4          20.5 RoEG047926
     K17G04R  C2017 04 04.49181 15 58 59.37 -13 27 12.4          21.0 RoEG047926
     K17G04R  C2017 04 04.49564 15 58 59.72 -13 27 05.3          21.0 RoEG047926
 
Observer details:
568 Mauna Kea.  Observers R. J. Wainscoat, D. Woodworth.  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.  0.41-m f/3.75 astrograph + CCD, 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.
 
Orbital elements:
2017 GR4
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
M 347.69749              (2000.0)            P               Q
n   0.18977529     Peri.   21.12581     -0.73200438     +0.67165077
a   2.9989987      Node   202.34948     -0.66021099     -0.74070273
e   0.5143509      Incl.   17.48624     -0.16819937     -0.01564345
P   5.19           H   20.2           G   0.15           U   7
Residuals in seconds of arc
170401 F51  0.0   0.1+    170402 926  0.3+  0.1+    170403 926  0.1+  0.2+
170401 F51  0.0   0.1-    170402 568  0.1-  0.0     170403 926  0.1+  0.1+
170401 F51  0.1+  0.0     170402 568  0.1-  0.1-    170404 807  0.5-  0.1+
170402 807  0.1-  0.2+    170402 568  0.1-  0.0     170404 807  0.0   0.2+
170402 807  0.3-  0.1+    170403 807  0.3+  0.1+    170404 807  0.2+  0.0
170402 807  0.0   0.3+    170403 807  0.1-  0.1-    170404 926  0.5+  0.5-
170402 926  0.6-  0.0     170403 807  0.2+  0.1-    170404 926  0.2+  0.1-
170402 926  0.1-  0.1-    170403 926  0.1-  0.2-    170404 926  0.5-  0.3+

Ephemeris:
2017 GR4                 a,e,i = 3.00, 0.51, 17                  q = 1.4565
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 03 05    14 51 49.6 -22 51 17   0.8057  1.5350   116.9    35.2    22.1
...
2017 03 20    15 27 10.8 -19 35 24   0.6811  1.4943   125.0    33.1    21.6
...
2017 03 28    15 44 26.4 -16 46 17   0.6268  1.4783   129.5    31.4    21.4
...
2017 04 03    15 56 14.2 -14 09 42   0.5925  1.4691   133.0    29.9    21.2
2017 04 04    15 58 05.6 -13 41 16   0.5873  1.4678   133.6    29.6    21.2
2017 04 05    15 59 54.8 -13 12 13   0.5823  1.4666   134.1    29.3    21.1
...
2017 04 11    16 10 05.5 -10 05 47   0.5557  1.4607   137.5    27.6    21.0
...
2017 04 19    16 21 27.6 -05 32 10   0.5297  1.4568   141.5    25.4    20.8
...
2017 05 04    16 35 23.3 +03 18 08   0.5110  1.4618   146.5    22.4    20.6

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-G47




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