[Iaude] MPEC G43: 2017 GN4 [a=2.72,e=0.64,i=24.5,H=20.4]

[mpec at si.edu]

M.P.E.C. 2017-G43                                Issued 2017 Apr. 4, 18:06 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 GN4
 
Observations:
     K17G04N* C2017 04 01.45718 12 44 34.440-13 29 02.43         22.2 wLEG043F51
     K17G04N  C2017 04 01.46747 12 44 33.112-13 29 08.37         22.1 wLEG043F51
     K17G04N  C2017 04 01.47776 12 44 31.750-13 29 14.68         21.9 wLEG043F51
     K17G04N  C2017 04 01.48806 12 44 30.422-13 29 20.78         21.9 wLEG043F51
     K17G04N |C2017 04 02.20936 12 42 58.68 -13 36 18.1          21.9 VuEG043807
     K17G04N |C2017 04 02.21404 12 42 58.07 -13 36 20.8          21.8 VuEG043807
     K17G04N |C2017 04 02.21888 12 42 57.41 -13 36 23.3          22.1 VuEG043807
     K17G04N |C2017 04 03.21687 12 40 47.93 -13 46 11.4          21.9 VuEG043807
     K17G04N |C2017 04 03.22475 12 40 46.90 -13 46 16.1          21.9 VuEG043807
     K17G04N |C2017 04 03.23232 12 40 45.83 -13 46 21.1          22.2 VuEG043807
     K17G04N |C2017 04 04.20463 12 38 37.33 -13 55 53.2          21.9 VuEG043807
     K17G04N |C2017 04 04.21036 12 38 36.51 -13 55 55.9          21.7 VuEG043807
     K17G04N |C2017 04 04.21626 12 38 35.70 -13 56 00.2          22.0 VuEG043807
 
Observer details:
807 Cerro Tololo.  Observers T. Linder, R. Holmes.  0.61-m f/6.5 astrograph
    + 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 GN4                                                 Earth MOID = 0.1849 AU
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
M 320.92929              (2000.0)            P               Q
n   0.22029504     Peri.  292.73753     +0.46033879     +0.88696257
a   2.7151859      Node     5.15324     -0.58309213     +0.33371367
e   0.6401884      Incl.   24.48315     -0.66939657     +0.31926883
P   4.47           H   20.4           G   0.15           U   9
Residuals in seconds of arc
170401 F51  0.0   0.0     170402 807  0.1+  0.1+    170404 807  0.4+  0.4-
170401 F51  0.2+  0.1+    170402 807  0.2-  0.4+    170404 807  0.1-  0.3+
170401 F51  0.2-  0.1-    170403 807  0.2-  0.5+    170404 807  0.1-  0.6-
170401 F51  0.0   0.2-    170403 807  0.3+  0.5+
170402 807  0.0   0.0     170403 807  0.5-  0.1-

Ephemeris:
2017 GN4                 a,e,i = 2.72, 0.64, 24                  q = 0.9770
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 03 05    13 22 40.0 -09 07 12   1.2424  2.1132   141.9    16.8    23.4
...
2017 03 20    13 06 51.1 -11 26 48   1.0281  1.9906   159.2    10.2    22.6
...
2017 03 28    12 53 28.9 -12 45 01   0.9361  1.9239   168.1     6.1    22.2
...
2017 04 03    12 41 16.5 -13 44 07   0.8788  1.8732   171.3     4.6    21.9
2017 04 04    12 39 04.7 -13 53 55   0.8703  1.8648   171.1     4.8    21.9
2017 04 05    12 36 50.5 -14 03 42   0.8620  1.8563   170.7     5.0    21.8
...
2017 04 11    12 22 39.8 -15 01 31   0.8187  1.8051   164.9     8.3    21.8
...
2017 04 19    12 02 28.8 -16 14 55   0.7768  1.7362   154.0    14.7    21.9
...
2017 05 04    11 25 58.1 -18 19 10   0.7410  1.6061   132.7    27.5    22.0

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-G43