[Iaude] MPEC G50: 2017 GU4 [a=0.96,e=0.13,i=24.2,H=22.9]

mpec at si.edu mpec at si.edu
Tue Apr 4 14:39:24 EDT 2017


M.P.E.C. 2017-G50                                Issued 2017 Apr. 4, 18:35 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 GU4
 
Observations:
     K17G04U  C2017 03 31.35874 11 29 15.066-07 54 28.55         18.4 wLEG050F51
     K17G04U* C2017 04 03.26973 11 27 43.17 +05 30 09.0          18.6 VqEG050G96
     K17G04U  C2017 04 03.27400 11 27 42.90 +05 31 17.8          18.5 VqEG050G96
     K17G04U  C2017 04 03.27832 11 27 42.64 +05 32 27.4          18.5 VqEG050G96
     K17G04U  C2017 04 03.28260 11 27 42.39 +05 33 36.2          18.6 VqEG050G96
     K17G04U  C2017 04 03.37195 11 27 37.36 +05 57 30.0          18.5 VqEG050I52
     K17G04U  C2017 04 03.37213 11 27 37.35 +05 57 32.8          18.5 VqEG050I52
     K17G04U  C2017 04 03.37250 11 27 37.33 +05 57 38.8                qEG050I52
     K17G04U  C2017 04 03.41153 11 27 35.49 +06 08 02.8          19.3 VqEG050I52
     K17G04U  C2017 04 03.41171 11 27 35.47 +06 08 06.0          18.9 VqEG050I52
     K17G04U  C2017 04 03.41189 11 27 35.44 +06 08 08.5          18.9 VqEG050I52
     K17G04U  C2017 04 03.41208 11 27 35.46 +06 08 12.0          19.1 VqEG050I52
     K17G04U KC2017 04 03.80374 11 27 33.93 +07 51 47.2          18.7  tEG050K63
     K17G04U KC2017 04 03.80405 11 27 33.94 +07 51 51.3          18.1  SEG050104
     K17G04U KC2017 04 03.80816 11 27 33.75 +07 52 56.3          18.1  SEG050104
     K17G04U KC2017 04 03.81237 11 27 33.54 +07 54 02.9          18.1  SEG050104
     K17G04U KC2017 04 03.81278 11 27 33.51 +07 54 09.3          18.2 RqEG050160
     K17G04U KC2017 04 03.81359 11 27 33.43 +07 54 21.7          18.7  tEG050K63
     K17G04U KC2017 04 03.81497 11 27 33.40 +07 54 44.0          18.5 RqEG050160
     K17G04U KC2017 04 03.81608 11 27 33.36 +07 55 01.6          18.2 RqEG050160
     K17G04U KC2017 04 03.81718 11 27 33.29 +07 55 20.3          18.5 RqEG050160
     K17G04U KC2017 04 03.81939 11 27 33.22 +07 55 54.0          18.2 RqEG050160
     K17G04U KC2017 04 03.82309 11 27 33.07 +07 56 52.3          19.0  tEG050K63
     K17G04U KC2017 04 03.83978 11 27 32.43 +08 01 15.1          18.6 VqEG050C77
     K17G04U KC2017 04 03.84493 11 27 31.99 +08 02 37.6          18.9 VqEG050C77
     K17G04U KC2017 04 03.84631 11 27 31.10 +08 02 54.2          18.5 RoEG050K88
     K17G04U KC2017 04 03.84956 11 27 30.93 +08 03 46.1          18.4 RoEG050K88
     K17G04U KC2017 04 03.85005 11 27 31.95 +08 03 57.6          18.9 VqEG050C77
     K17G04U KC2017 04 03.85281 11 27 30.76 +08 04 37.2          18.9 RoEG050K88
     K17G04U KC2017 04 03.87145 11 27 31.48 +08 09 36.2          18.6 VUEG050958
     K17G04U KC2017 04 03.88091 11 27 30.23 +08 12 02.9          18.3 RqEG050203
     K17G04U KC2017 04 03.89447 11 27 29.51 +08 15 35.7          18.9 RqEG050203
     K17G04U KC2017 04 03.89576011 27 29.45 +08 15 48.7          19.3 VtEG050510
     K17G04U KC2017 04 03.90824 11 27 28.81 +08 19 12.1          18.6 RqEG050203
     K17G04U KC2017 04 03.91164411 27 28.66 +08 19 58.9          19.1 VtEG050510
     K17G04U KC2017 04 03.92662 11 27 28.70 +08 24 04.6          18.8 VUEG050958
     K17G04U KC2017 04 03.92752511 27 27.93 +08 24 08.9          18.8 VtEG050510
     K17G04U KC2017 04 03.93113 11 27 30.19 +08 25 36.6          18.4 RqEG050J22
     K17G04U KC2017 04 03.93327 11 27 30.03 +08 26 09.4          18.9 RqEG050J22
     K17G04U KC2017 04 03.93540 11 27 30.11 +08 26 44.6          18.5 RqEG050J22
     K17G04U KC2017 04 03.94340711 27 27.15 +08 28 17.7          18.5 VtEG050510
     K17G04U  C2017 04 03.94785 11 27 27.38 +08 29 40.0          18.6 RqEG050B74
     K17G04U  C2017 04 03.95118 11 27 27.21 +08 30 32.0          18.7 RqEG050B74
     K17G04U  C2017 04 03.95647 11 27 26.93 +08 31 55.3          19.5 RqEG050B74
     K17G04U KC2017 04 03.95928911 27 26.38 +08 32 26.6          18.4 VtEG050510
     K17G04U  C2017 04 04.17749 11 27 25.09 +09 29 37.3          18.9 VqEG050I52
     K17G04U  C2017 04 04.17767 11 27 25.08 +09 29 40.3          18.8 VqEG050I52
     K17G04U  C2017 04 04.17785 11 27 25.07 +09 29 43.3          18.8 VqEG050I52
     K17G04U  C2017 04 04.17803 11 27 25.06 +09 29 46.5          18.6 VqEG050I52
     K17G04U  C2017 04 04.18670 11 27 24.60 +09 32 02.0          19.0 RuEG050926
     K17G04U  C2017 04 04.18887 11 27 24.51 +09 32 36.2          19.0 RuEG050926
     K17G04U  C2017 04 04.19105 11 27 24.37 +09 33 09.7          19.0 RuEG050926
     K17G04U KC2017 04 04.20896 11 27 21.91 +09 37 38.2          19.1 RqEG050H36
     K17G04U KC2017 04 04.21522 11 27 21.57 +09 39 14.7          18.8 RqEG050H36
     K17G04U KC2017 04 04.22086 11 27 21.32 +09 40 41.2          18.0 RqEG050H36
 
Observer details:
104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri.  Measurers
    P. Bacci, L. Tesi, G. Fagioli.  0.60-m f/4 reflector + CCD.
160 Castelmartini.  Observers M. Jaeger, E. Prosperi, S. Prosperi, W. Vollmann.
    Measurer E. Prosperi.  0.35-m f/10 Schmidt-Cassegrain + CCD.
203 GiaGa Observatory.  Observers S. Foglia, G. Galli.  Measurer G. Galli.
    0.28-m f/6.8 Schmidt-Cassegrain + CCD.
510 Siegen.  Observer H. Bill.  0.43-m f/4.5 reflector + 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.
958 Observatoire de Dax.  Observers P. Dupouy, J. B. de Vanssay.  Measurer
    P. Dupouy.  0.43-m f/2.7 reflector + CCD.
B74 Santa Maria de Montmagastrell.  Observer J. M. Bosch.  0.40-m f/10
    Schmidt-Cassegrain + CCD.
C77 Bernezzo Observatory.  Observer A. Mantero.  0.25-m f/4 reflector + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers B. Gibson, T. Goggia, 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.
G96 Mt. Lemmon Survey.  Observer R. G. Matheny.  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.
    1.5-m reflector + 10K CCD.
H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + 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.
J22 Tacande Observatory, La Palma.  Observer K. Hills.  0.5-m f/2.9 astrograph
    + CCD.
K63 G. Pascoli Observatory, Castelvecchio Pascoli.  Observer R. Bacci.  0.30-m
    f/4 Newtonian reflector + CCD.
K88 GINOP-KHK, Piszkesteto.  Observer K. Sarneczky.  0.60-m Schmidt + CCD.
 
Orbital elements:
2017 GU4                                                 Earth MOID = 0.0824 AU
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
M 136.26991              (2000.0)            P               Q
n   1.04970988     Peri.  176.60309     +0.98951361     -0.12015793
a   0.9588629      Node   191.28808     +0.12098612     +0.99263874
e   0.1285768      Incl.   24.17311     +0.07889976     -0.01517889
P   0.94           H   22.9           G   0.15           U   7
Residuals in seconds of arc
170331 F51  0.1+  0.0     170403 160  0.1-  0.4-    170403 J22  0.8-  0.7-
170403 G96  0.3+  0.1-    170403 160  0.3-  0.9+    170403 J22  2.2+  1.0+
170403 G96  0.1+  0.0     170403 160  0.2+  0.3-    170403 510  0.2+  0.0
170403 G96  0.1+  0.0     170403 K63  0.4+  0.1-    170403 B74  0.1-  0.1+
170403 G96  0.2+  0.0     170403 C77  0.1-  0.3-    170403 B74  0.0   0.1-
170403 I52  0.0   0.1-    170403 C77  2.9-  0.9+    170403 B74  0.0   0.2+
170403 I52  0.0   0.2-    170403 K88  0.3+  0.3-    170403 510  0.1+  0.1-
170403 I52  0.0   0.1-    170403 K88  0.2+  0.3+    170404 I52  0.4+  0.2-
170403 I52  0.0   0.2-    170403 C77  0.3+  0.1+    170404 I52  0.4+  0.0
170403 I52  0.1-  0.1+    170403 K88  0.0   0.2+    170404 I52  0.4+  0.2+
170403 I52  0.5-  0.3-    170403 958  0.7-  0.8+    170404 I52  0.4+  0.6+
170403 I52  0.0   0.2+    170403 203  0.1+  0.4+    170404 926  0.1-  0.4-
170403 K63  0.4-  0.8+    170403 203  0.2-  0.3-    170404 926  0.4+  0.0
170403 104  0.3+  0.1-    170403 510  0.2-  0.5-    170404 926  0.0   0.4-
170403 104  0.3+  0.1-    170403 203  0.1-  0.5-    170404 H36  0.1+  0.5+
170403 104  0.1+  0.1-    170403 510  0.4-  0.1-    170404 H36  0.0   0.1-
170403 160  0.2-  0.5-    170403 958  0.1+  0.8+    170404 H36  0.8+  1.0-
170403 K63  1.0-  0.5-    170403 510  0.3+  0.4+
170403 160  0.3-  0.5-    170403 J22  0.2-  0.1+

Ephemeris:
2017 GU4                 a,e,i = 0.96, 0.13, 24                  q = 0.8356
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 03 05    11 54 30.9 -66 04 20   0.2093  1.0723   107.2    62.1    21.9
...
2017 03 20    11 39 20.7 -48 13 13   0.1225  1.0806   131.4    43.8    20.2
...
2017 03 28    11 31 37.4 -22 54 03   0.09127 1.0821   155.9    22.1    18.9
...
2017 04 03    11 27 50.7 +04 18 00   0.08808 1.0818   157.7    20.5    18.8
2017 04 04    11 27 26.5 +08 43 58   0.08964 1.0817   154.5    23.5    18.9
2017 04 05    11 27 06.4 +12 58 43   0.09175 1.0815   150.9    26.7    19.1
...
2017 04 11    11 26 29.8 +33 16 01   0.1135  1.0796   130.8    44.6    20.1
...
2017 04 19    11 29 06.9 +48 17 31   0.1560  1.0754   113.2    59.1    21.1
...
2017 05 04    11 42 27.8 +59 38 22   0.2443  1.0621    96.0    70.7    22.5

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-G50




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