[Iaude] MPEC G39: 2017 GJ4 [a=1.29,e=0.30,i=1.6,H=25.9]

mpec at si.edu mpec at si.edu
Tue Apr 4 13:55:23 EDT 2017


M.P.E.C. 2017-G39                                Issued 2017 Apr. 4, 17:51 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 GJ4
 
Observations:
     K17G04J* C2017 04 01.40998 11 33 59.039-17 44 07.86         21.3 wLEG039F51
     K17G04J  C2017 04 01.42090 11 34 02.554-17 43 33.54         21.2 wLEG039F51
     K17G04J  C2017 04 01.43185 11 34 06.084-17 42 58.83         20.9 wLEG039F51
     K17G04J KC2017 04 01.89725311 36 59.18 -17 17 30.1          20.8 GUEG039K92
     K17G04J KC2017 04 01.90287011 37 00.92 -17 17 13.2          20.5 GUEG039K92
     K17G04J KC2017 04 01.90849411 37 02.64 -17 16 56.6          20.8 GUEG039K92
     K17G04J |C2017 04 02.05362 11 37 59.11 -17 09 48.5          21.2 VuEG039807
     K17G04J |C2017 04 02.05747 11 38 00.31 -17 09 38.0          21.3 VuEG039807
     K17G04J |C2017 04 02.06130 11 38 01.49 -17 09 27.3          21.3 VuEG039807
     K17G04J _C2017 04 02.30104811 39 24.395-16 59 42.35         20.8 GUEG039568
     K17G04J _C2017 04 02.30203511 39 24.684-16 59 39.78         21.1 GUEG039568
     K17G04J _C2017 04 02.30301611 39 24.981-16 59 36.92         21.1 GUEG039568
     K17G04J |C2017 04 03.01234 11 43 18.62 -16 25 03.3          21.3 VuEG039807
     K17G04J |C2017 04 03.01705 11 43 19.96 -16 24 51.2          21.2 VuEG039807
     K17G04J |C2017 04 03.02190 11 43 21.33 -16 24 39.1          21.1 VuEG039807
     K17G04J  C2017 04 03.23988 11 44 24.64 -16 17 13.0          20.4 RoEG039926
     K17G04J  C2017 04 03.24682 11 44 26.46 -16 16 54.9          20.3 RoEG039926
     K17G04J  C2017 04 03.25259 11 44 27.96 -16 16 40.2          20.4 RoEG039926
     K17G04J  C2017 04 03.28245 11 44 35.70 -16 15 23.3          21.2 VqEG039I52
     K17G04J  C2017 04 03.28918 11 44 37.46 -16 15 05.2          21.1 VqEG039I52
     K17G04J  C2017 04 03.29064 11 44 37.85 -16 15 01.7          21.2 VqEG039I52
     K17G04J KC2017 04 03.29417 11 44 38.93 -16 14 51.1          20.3 RoEG039691
     K17G04J KC2017 04 03.32480 11 44 46.85 -16 13 30.2          20.8 RoEG039691
     K17G04J |C2017 04 04.10986 11 48 40.45 -15 38 40.8          21.2 VuEG039807
     K17G04J |C2017 04 04.11458 11 48 41.54 -15 38 29.2          20.9 VuEG039807
     K17G04J |C2017 04 04.11944 11 48 42.68 -15 38 18.1          21.1 VuEG039807
     K17G04J  C2017 04 04.26287 11 49 21.11 -15 34 29.0          21.1 RoEG039926
     K17G04J  C2017 04 04.26772 11 49 22.19 -15 34 17.3          21.1 RoEG039926
     K17G04J  C2017 04 04.27387 11 49 23.62 -15 34 02.7          20.7 RoEG039926
 
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.
691 Steward Observatory, Kitt Peak.  Observer J. V. Scotti.  0.9-m f/3
    reflector + 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.
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.
K92 Sutherland-LCOGT B.  Observers T. Lister, S. Greenstreet, E. Gomez.
    Measurer T. Lister.  1.0-m f/8 Ritchey-Chretien + CCD.
 
Orbital elements:
2017 GJ4                                                 Earth MOID = 0.0081 AU
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
M   9.39294              (2000.0)            P               Q
n   0.67288342     Peri.  246.30329     -0.54686784     -0.83690672
a   1.2897618      Node   236.86867     +0.77773504     -0.49771429
e   0.2956053      Incl.    1.56444     +0.30994156     -0.22774465
P   1.46           H   25.9           G   0.15           U   7
Residuals in seconds of arc
170401 F51  0.0   0.1+    170402 568  0.1-  0.2-    170403 I52  0.0   0.3-
170401 F51  0.0   0.0     170402 568  0.1+  0.0     170403 691  1.0+  0.3+
170401 F51  0.0   0.1+    170403 807  0.2-  0.1-    170403 691  0.0   0.1-
170401 K92  0.2-  0.0     170403 807  0.1-  0.1+    170404 807  0.3+  0.2+
170401 K92  0.0   0.2+    170403 807  0.1-  0.0     170404 807  0.1-  0.6+
170401 K92  0.1-  0.1+    170403 926  0.0   0.1-    170404 807  0.2-  0.2+
170402 807  0.1-  0.1-    170403 926  0.1+  0.0     170404 926  0.2+  0.1-
170402 807  0.0   0.3-    170403 926  0.0   0.4-    170404 926  0.5-  0.1-
170402 807  0.0   0.4-    170403 I52  0.3-  0.3-    170404 926  0.4-  0.2-
170402 568  0.0   0.0     170403 I52  0.1-  0.1+

Ephemeris:
2017 GJ4                 a,e,i = 1.29, 0.30, 2                   q = 0.9085
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 03 05    02 35 29.3 -10 47 41   0.06046 0.9565    52.8   124.3    24.9
...
2017 03 20    07 54 20.3 -33 38 20   0.02924 1.0080   113.8    64.7    20.5
...
2017 03 28    10 56 28.3 -22 26 28   0.04808 1.0403   150.7    28.0    20.6
...
2017 04 03    11 43 08.6 -16 26 19   0.07006 1.0661   160.4    18.3    21.2
2017 04 04    11 48 07.3 -15 43 40   0.07404 1.0705   161.3    17.4    21.3
2017 04 05    11 52 36.5 -15 04 41   0.07809 1.0749   162.0    16.7    21.4
...
2017 04 11    12 12 25.4 -12 08 41   0.1038  1.1019   163.4    15.0    22.0
...
2017 04 19    12 28 38.7 -09 50 31   0.1416  1.1389   160.6    17.0    22.8
...
2017 05 04    12 48 44.5 -08 00 05   0.2246  1.2092   150.7    24.1    24.2

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-G39




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