[Iaude] MPEC G40: 2017 GK4 [a=1.32,e=0.39,i=16.4,H=21.8,PHA]

mpec at si.edu mpec at si.edu
Tue Apr 4 13:59:23 EDT 2017


M.P.E.C. 2017-G40                                Issued 2017 Apr. 4, 17:55 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 GK4
 
Observations:
     K17G04K  C2017 03 16.41168 11 57 56.327-30 34 45.04         20.5 iLEG040F51
     K17G04K  C2017 03 16.42163 11 57 55.556-30 34 38.15         20.2 iLEG040F51
     K17G04K  C2017 03 16.44155 11 57 53.880-30 34 24.45         20.3 iLEG040F51
     K17G04K* C2017 04 01.41384 11 30 11.158-22 17 27.32         19.9 wLEG040F51
     K17G04K  C2017 04 01.42475 11 30 09.374-22 16 48.25         20.2 wLEG040F51
     K17G04K  C2017 04 01.44662 11 30 05.784-22 15 29.29         20.1 wLEG040F51
     K17G04K KC2017 04 01.85653911 29 07.91 -21 49 57.8          19.5 GUEG040K93
     K17G04K KC2017 04 01.86078911 29 07.21 -21 49 42.1          18.8 GUEG040K93
     K17G04K KC2017 04 01.86501111 29 06.52 -21 49 26.5          19.4 GUEG040K93
     K17G04K |C2017 04 02.03161 11 28 43.44 -21 39 02.4          19.4 VuEG040807
     K17G04K |C2017 04 02.03352 11 28 43.13 -21 38 55.4          19.3 VuEG040807
     K17G04K |C2017 04 02.03543 11 28 42.83 -21 38 48.4          19.4 VuEG040807
     K17G04K KC2017 04 02.88390 11 26 34.23 -20 44 34.4          18.5 VqEG040I93
     K17G04K KC2017 04 02.89027 11 26 33.16 -20 44 08.5          18.7 VqEG040I93
     K17G04K KC2017 04 02.89831 11 26 31.83 -20 43 34.7          18.6 VqEG040I93
     K17G04K |C2017 04 02.99549 11 26 18.61 -20 36 01.7          19.1 VuEG040807
     K17G04K |C2017 04 02.99677 11 26 18.40 -20 35 56.4          19.5 VuEG040807
     K17G04K |C2017 04 02.99805 11 26 18.19 -20 35 51.5          20.1 VuEG040807
     K17G04K |C2017 04 02.99933 11 26 17.98 -20 35 46.8          19.8 VuEG040807
     K17G04K |C2017 04 03.00062 11 26 17.78 -20 35 41.4          19.2 VuEG040807
     K17G04K  C2017 04 03.23145 11 25 40.15 -20 20 42.3          19.0 RoEG040926
     K17G04K  C2017 04 03.23423 11 25 39.67 -20 20 30.9          18.6 RoEG040926
     K17G04K  C2017 04 03.23701 11 25 39.19 -20 20 19.4          19.2 RoEG040926
     K17G04K  C2017 04 03.25546 11 25 36.00 -20 19 02.9          19.4 VoEG040691
     K17G04K  C2017 04 03.26831 11 25 33.75 -20 18 09.3          19.9 VoEG040691
     K17G04K  C2017 04 03.27190 11 25 33.08 -20 17 53.1          19.6 RuEG040926
     K17G04K  C2017 04 03.27215 11 25 33.03 -20 17 53.2          19.1 VqEG040I52
     K17G04K  C2017 04 03.27389 11 25 32.73 -20 17 46.0          19.1 VqEG040I52
     K17G04K  C2017 04 03.27603 11 25 32.35 -20 17 36.6          19.6 RuEG040926
     K17G04K  C2017 04 03.27869 11 25 31.88 -20 17 26.4          20.0 VqEG040I52
     K17G04K  C2017 04 03.28019 11 25 31.66 -20 17 18.1          20.0 RuEG040926
     K17G04K  C2017 04 03.28043 11 25 31.57 -20 17 18.5          19.5 VqEG040I52
     K17G04K  C2017 04 03.28117 11 25 31.50 -20 17 15.1          19.5 VoEG040691
     K17G04K  C2017 04 03.28432 11 25 30.86 -20 17 02.0          19.0 RuEG040926
     K17G04K  C2017 04 04.20896 11 23 05.90 -19 09 57.2          19.3 VqEG040I52
     K17G04K  C2017 04 04.21107 11 23 05.51 -19 09 48.4          19.8 VqEG040I52
     K17G04K  C2017 04 04.21417 11 23 04.95 -19 09 33.8          19.1 VqEG040I52
     K17G04K  C2017 04 04.21629 11 23 04.56 -19 09 24.2          18.7 VqEG040I52
 
Observer details:
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.
I93 St Pardon de Conques.  Observer F. Losse.  0.40-m f/3.7 reflector + CCD.
K93 Sutherland-LCOGT C.  Observers T. Lister, S. Greenstreet, E. Gomez.
    Measurer T. Lister.  1.0-m f/8 Ritchey-Chretien + CCD.
 
Orbital elements:
2017 GK4                                            PHA, Earth MOID = 0.0421 AU
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
M 279.32375              (2000.0)            P               Q
n   0.65005466     Peri.   83.09847     +0.25626202     +0.96048617
a   1.3197838      Node   202.67100     -0.96016843     +0.23999530
e   0.3857001      Incl.   16.36660     -0.11138388     +0.14095591
P   1.52           H   21.8           G   0.15           U   6
Residuals in seconds of arc
170316 F51  0.0   0.1+    170402 I93  0.2-  0.4-    170403 I52  0.0   0.0
170316 F51  0.4+  0.1+    170402 I93  0.1+  1.1+    170403 I52  0.0   0.1-
170316 F51  0.4-  0.2-    170402 807  0.3-  0.0     170403 926  0.1-  0.2-
170401 F51  0.0   0.0     170402 807  0.2-  0.2+    170403 I52  0.1-  0.6-
170401 F51  0.1+  0.0     170402 807  0.2-  0.0     170403 926  0.5+  0.9+
170401 F51  0.1-  0.1+    170402 807  0.2-  0.5-    170403 I52  0.2-  0.0
170401 K93  0.1-  0.2-    170403 807  0.0   0.3-    170403 691  0.0   0.0
170401 K93  0.1-  0.1-    170403 926  0.2+  0.2+    170403 926  0.7-  0.4-
170401 K93  0.0   0.1-    170403 926  0.2+  0.0     170404 I52  0.2+  0.3+
170402 807  0.1-  0.1+    170403 926  0.3+  0.0     170404 I52  0.0   0.4-
170402 807  0.1-  0.1+    170403 691  0.2+  0.1-    170404 I52  0.0   0.3+
170402 807  0.1+  0.0     170403 691  0.1+  0.2-    170404 I52  0.1-  0.3+
170402 I93  0.2-  0.7-    170403 926  0.1+  0.6+

Ephemeris:
2017 GK4                 a,e,i = 1.32, 0.39, 16                  q = 0.8107
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 03 05    12 06 50.4 -31 26 03   0.4156  1.3350   139.4    28.9    21.8
...
2017 03 20    11 53 25.6 -29 40 46   0.2805  1.2467   150.0    23.5    20.6
...
2017 03 28    11 39 55.4 -25 54 40   0.2173  1.1978   154.4    21.1    19.9
...
2017 04 03    11 26 15.6 -20 36 01   0.1750  1.1605   154.8    21.5    19.4
2017 04 04    11 23 38.8 -19 24 58   0.1684  1.1542   154.4    22.0    19.3
2017 04 05    11 20 55.6 -18 07 37   0.1620  1.1480   153.9    22.6    19.2
...
2017 04 11    11 01 57.5 -07 39 05   0.1275  1.1104   146.4    30.0    18.9
...
2017 04 19    10 25 48.1 +16 13 13   0.09717 1.0606   123.2    52.4    18.8
...
2017 05 04    07 30 42.1 +66 04 37   0.1170  0.9707    68.1   105.5    21.0

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-G40




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