[Iaude] MPEC G46: 2017 GQ4 [a=1.71,e=0.32,i=6.2,H=23.4]

Tue Apr 4 14:19:22 EDT 2017

M.P.E.C. 2017-G46                                Issued 2017 Apr. 4, 18:16 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 GQ4
 
Observations:
     K17G04Q* C2017 04 01.49437 14 07 41.425-22 09 42.59         21.0 wLEG046F51
     K17G04Q  C2017 04 01.50562 14 07 43.155-22 09 33.53         21.0 wLEG046F51
     K17G04Q  C2017 04 01.51683 14 07 44.868-22 09 24.76         21.3 wLEG046F51
     K17G04Q  C2017 04 01.52804 14 07 46.582-22 09 15.81         21.3 wLEG046F51
     K17G04Q KC2017 04 02.12056414 09 31.12 -22 00 38.9          20.9 GUEG046W86
     K17G04Q KC2017 04 02.12680514 09 32.13 -22 00 34.2          20.8 GUEG046W86
     K17G04Q KC2017 04 02.13149514 09 32.89 -22 00 30.7          21.0 GUEG046W86
     K17G04Q |C2017 04 02.26465 14 09 53.74 -21 58 45.1          21.3 VuEG046807
     K17G04Q |C2017 04 02.26852 14 09 54.33 -21 58 41.5          21.2 VuEG046807
     K17G04Q |C2017 04 02.27240 14 09 54.92 -21 58 38.2          21.4 VuEG046807
     K17G04Q _C2017 04 02.62093814 10 53.225-21 54 14.51         21.6 GUEG046568
     K17G04Q _C2017 04 02.62191814 10 53.382-21 54 13.65         21.5 GUEG046568
     K17G04Q _C2017 04 02.62290514 10 53.539-21 54 12.74         21.3 GUEG046568
     K17G04Q |C2017 04 03.18879 14 12 35.07 -21 45 23.6          21.8 VuEG046807
     K17G04Q |C2017 04 03.19366 14 12 35.87 -21 45 19.5          21.4 VuEG046807
     K17G04Q  C2017 04 03.36160 14 13 04.09 -21 43 32.3          21.4 VqEG046I52
     K17G04Q  C2017 04 03.36458 14 13 04.56 -21 43 29.4                qEG046I52
     K17G04Q  C2017 04 03.36761 14 13 05.05 -21 43 27.2                qEG046I52
     K17G04Q |C2017 04 04.30309 14 15 47.71 -21 28 02.6          21.5 VuEG046807
     K17G04Q |C2017 04 04.30691 14 15 48.28 -21 27 58.4          21.6 VuEG046807
     K17G04Q |C2017 04 04.31073 14 15 48.89 -21 27 55.1          21.3 VuEG046807
 
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.
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.
I52 Steward Observatory, Mt. Lemmon Station.  Observer E. J. Christensen.
    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.
W86 Cerro Tololo-LCOGT B.  Observers T. Lister, S. Greenstreet, E. Gomez.
    Measurer T. Lister.  1.0-m f/8 Ritchey-Chretien + CCD.
 
Orbital elements:
2017 GQ4                                                 Earth MOID = 0.1519 AU
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
M 329.06774              (2000.0)            P               Q
n   0.44191648     Peri.    9.16667     -0.78124629     +0.62197784
a   1.7070356      Node   209.50015     -0.57930488     -0.75398374
e   0.3217806      Incl.    6.16637     -0.23250827     -0.21131039
P   2.23           H   23.4           G   0.15           U   7
Residuals in seconds of arc
170401 F51  0.1-  0.1-    170402 807  0.1+  0.5-    170403 807  0.2+  0.1+
170401 F51  0.0   0.1+    170402 807  0.1-  0.2-    170403 I52  0.0   0.0
170401 F51  0.0   0.0     170402 807  0.3-  0.1-    170403 I52  0.0   0.2+
170401 F51  0.0   0.0     170402 568  0.0   0.0     170403 I52  0.2+  0.3-
170402 W86  0.0   0.1+    170402 568  0.0   0.1-    170404 807  0.3+  0.0
170402 W86  0.1+  0.1+    170402 568  0.0   0.1-    170404 807  0.2-  0.3+
170402 W86  0.2+  0.0     170403 807  0.2-  0.2+    170404 807  0.2-  0.2-

Ephemeris:
2017 GQ4                 a,e,i = 1.71, 0.32, 6                   q = 1.1577
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 03 05    12 59 42.4 -22 16 09   0.3164  1.2497   139.6    31.0    22.7
...
2017 03 20    13 34 09.2 -23 29 25   0.2438  1.2068   146.6    27.0    22.0
...
2017 03 28    13 55 07.2 -22 56 31   0.2135  1.1888   150.7    24.3    21.6
...
2017 04 03    14 12 01.0 -21 48 20   0.1948  1.1778   153.9    22.0    21.3
2017 04 04    14 14 55.3 -21 33 02   0.1921  1.1762   154.4    21.6    21.2
2017 04 05    14 17 50.9 -21 16 36   0.1894  1.1747   154.9    21.1    21.2
...
2017 04 11    14 35 46.6 -19 13 59   0.1755  1.1668   158.1    18.7    20.9
...
2017 04 19    14 59 53.5 -15 31 27   0.1627  1.1600   161.8    15.7    20.6
...
2017 05 04    15 40 44.9 -06 59 05   0.1568  1.1594   163.5    14.3    20.5

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-G46