[Iaude] MPEC G51: 2017 GW4 [a=1.48,e=0.60,i=6.9,H=27.8]

mpec at si.edu mpec at si.edu
Tue Apr 4 22:09:50 EDT 2017


M.P.E.C. 2017-G51                                Issued 2017 Apr. 5, 02:06 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 GW4
 
Observations:
     K17G04W  C2017 04 03.46683 12 58 45.379+01 39 17.15         19.8 wLEG051F51
     K17G04W  C2017 04 03.46747 12 58 44.368+01 38 58.34         20.3 wLEG051F51
     K17G04W  C2017 04 03.48070 12 58 24.362+01 32 45.50         20.0 wLEG051F51
     K17G04W  C2017 04 03.48160 12 58 23.038+01 32 20.71               LEG051F51
     K17G04W  C2017 04 03.49463 12 58 03.545+01 26 16.73         19.9 wLEG051F51
     K17G04W  C2017 04 03.49527 12 58 02.623+01 25 59.33         20.1 wLEG051F51
     K17G04W  C2017 04 03.50884 12 57 42.746+01 19 46.54               LEG051F51
     K17G04W  C2017 04 03.51658 12 57 31.545+01 16 15.51         19.9 wLEG051F51
     K17G04W* C2017 04 03.52800 12 57 15.247+01 11 07.63         20.0 wLEG051F51
     K17G04W  C2017 04 03.55088 12 56 43.370+01 01 00.77         20.0 wLEG051F51
     K17G04W |C2017 04 04.24254 12 46 08.97 -02 40 31.5          20.5 VuEG051807
     K17G04W |C2017 04 04.24627 12 46 05.96 -02 41 26.4          20.4 VuEG051807
     K17G04W |C2017 04 04.25011 12 46 02.88 -02 42 22.3          20.8 VuEG051807
     K17G04W  C2017 04 04.32624 12 45 15.40 -03 05 43.6          20.1 RoEG051926
     K17G04W  C2017 04 04.32950 12 45 12.91 -03 06 28.6          19.9 RoEG051926
     K17G04W  C2017 04 04.33277 12 45 10.39 -03 07 13.4          20.2 RoEG051926
     K17G04W KC2017 04 04.94104 12 39 49.64 -05 02 09.2                UEG051J95
     K17G04W KC2017 04 04.95518 12 39 42.46 -05 04 19.8                UEG051J95
     K17G04W KC2017 04 04.97117 12 39 34.43 -05 06 43.8          21.1 GUEG051J95
 
Observer details:
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.
J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
    + CCD.
 
Orbital elements:
2017 GW4                                                 Earth MOID = 0.0063 AU
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
M   3.97057              (2000.0)            P               Q
n   0.54803134     Peri.   82.34120     -0.12375702     -0.99183103
a   1.4788784      Node    14.87467     +0.85635289     -0.12248621
e   0.5972012      Incl.    6.91570     +0.50134212     -0.03561367
P   1.80           H   27.8           G   0.15           U   6
Residuals in seconds of arc
170403 F51  0.1-  0.2-    170403 F51  0.0   0.1+    170404 926  0.5+  0.0
170403 F51  0.6-  0.8-    170403 F51  0.1-  0.0     170404 926  0.2+  0.0
170403 F51  0.2+  0.2+    170403 F51  0.1-  0.2-    170404 J95  0.3+  0.0
170403 F51  0.6+  0.7+    170404 807  0.2-  0.4-    170404 J95  0.2-  0.7-
170403 F51  0.3-  0.1-    170404 807  0.2-  0.5-    170404 J95  0.1-  0.7+
170403 F51  0.0   0.2+    170404 807  0.1-  0.1-
170403 F51  0.2+  0.5+    170404 926  0.3+  0.3+

Ephemeris:
2017 GW4                 a,e,i = 1.48, 0.60, 7                   q = 0.5957
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 03 06    00 09 14.0 +12 27 05   0.2989  0.7294    24.0   146.4    32.3
...
2017 03 21    00 07 42.4 +15 29 43   0.1231  0.8781    15.4   162.4    34.9
...
2017 03 29    23 50 41.3 +20 52 54   0.03874 0.9621    20.1   159.1    31.3
...
2017 04 04    12 49 21.1 -01 37 37   0.02509 1.0251   176.0     3.9    20.2
2017 04 05    12 39 20.8 -05 07 28   0.03528 1.0356   175.8     4.1    21.0
2017 04 06    12 33 49.3 -07 02 44   0.04560 1.0460   173.6     6.1    21.7
...
2017 04 12    12 23 16.0 -10 46 44   0.1087  1.1079   165.5    13.1    24.0
...
2017 04 20    12 21 19.3 -11 54 07   0.1959  1.1885   158.0    18.5    25.6
...
2017 05 05    12 25 48.0 -12 35 54   0.3727  1.3322   145.4    25.4    27.4

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-G51




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