[Iaude] MPEC G48: 2017 GS4 [a=1.69,e=0.56,i=16.4,H=19.7]

mpec at si.edu mpec at si.edu
Tue Apr 4 14:27:26 EDT 2017


M.P.E.C. 2017-G48                                Issued 2017 Apr. 4, 18:23 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 GS4
 
Observations:
     K17G04S* C2017 04 01.81604 15 45 20.75 +30 50 01.2          20.6 RqEG048D29
     K17G04S  C2017 04 01.83451 15 45 16.16 +30 49 46.2          20.5 RqEG048D29
     K17G04S  C2017 04 01.85297 15 45 11.65 +30 49 30.5          20.0 RqEG048D29
     K17G04S  C2017 04 02.02505 15 44 31.12 +30 47 07.7          19.9 VSEG048033
     K17G04S  C2017 04 02.02734 15 44 30.55 +30 47 05.7          19.8 VSEG048033
     K17G04S  C2017 04 02.02964 15 44 29.98 +30 47 04.0          19.8 VSEG048033
     K17G04S  C2017 04 02.03193 15 44 29.42 +30 47 02.2          19.8 VSEG048033
     K17G04S  C2017 04 02.10542 15 44 11.39 +30 46 03.9          19.4 VSEG048033
     K17G04S  C2017 04 02.10772 15 44 10.79 +30 46 01.9          19.1 VSEG048033
     K17G04S  C2017 04 02.11001 15 44 10.21 +30 45 59.8          18.7 VSEG048033
     K17G04S KC2017 04 02.90741 15 41 00.32 +30 35 00.3          19.5 RoEG048K88
     K17G04S KC2017 04 02.91108 15 40 59.43 +30 34 57.5          19.4 RoEG048K88
     K17G04S KC2017 04 02.91475 15 40 58.53 +30 34 54.3          19.6 RoEG048K88
     K17G04S KC2017 04 02.99095 15 40 40.24 +30 33 51.2          19.6 VqEG048I93
     K17G04S KC2017 04 02.99704 15 40 38.81 +30 33 46.3          19.8 VqEG048I93
     K17G04S KC2017 04 03.00169 15 40 37.73 +30 33 43.1          19.3 VqEG048I93
     K17G04S  C2017 04 03.03742 15 40 28.61 +30 33 12.8          19.7 RrEG048106
     K17G04S  C2017 04 03.04012 15 40 27.96 +30 33 11.0          19.4 RrEG048106
     K17G04S  C2017 04 03.04281 15 40 27.36 +30 33 09.1          19.4 RrEG048106
     K17G04S KC2017 04 03.08412 15 40 17.04 +30 32 32.2                uEG048118
     K17G04S KC2017 04 03.09781 15 40 13.67 +30 32 21.0                uEG048118
     K17G04S KC2017 04 03.11304 15 40 09.92 +30 32 07.8                uEG048118
     K17G04S  C2017 04 03.38967 15 39 04.63 +30 28 15.4          20.2 VqEG048I52
     K17G04S  C2017 04 03.39106 15 39 04.27 +30 28 14.1          20.2 VqEG048I52
     K17G04S  C2017 04 03.39321 15 39 03.74 +30 28 12.3          20.3 VqEG048I52
     K17G04S  C2017 04 03.39463 15 39 03.41 +30 28 11.5          20.2 VqEG048I52
     K17G04S KC2017 04 03.87986 15 37 08.64 +30 20 55.2                SEG048104
     K17G04S KC2017 04 03.88003 15 37 08.52 +30 20 56.4          19.5 RoEG048K88
     K17G04S KC2017 04 03.88461 15 37 07.38 +30 20 51.6          19.2 RoEG048K88
     K17G04S KC2017 04 03.88573 15 37 07.24 +30 20 50.2          19.5  SEG048104
     K17G04S KC2017 04 03.89160 15 37 05.84 +30 20 45.6          19.4  SEG048104
     K17G04S  C2017 04 04.48764 15 34 42.81 +30 11 54.6          20.5 VoEG048691
     K17G04S KC2017 04 04.49708 15 34 40.50 +30 11 45.4          19.3 RoEG048291
     K17G04S  C2017 04 04.49741 15 34 40.40 +30 11 45.2          20.3 VoEG048691
     K17G04S KC2017 04 04.49933 15 34 39.94 +30 11 43.3          19.7 RoEG048291
     K17G04S KC2017 04 04.50160 15 34 39.38 +30 11 41.0          19.7 RoEG048291
     K17G04S  C2017 04 04.50700 15 34 38.06 +30 11 35.9          20.3 VoEG048691
 
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg.  Observers F. Ludwig,
    B. Stecklum.  Measurer B. Stecklum.  1.34-m f/3 Schmidt + CCD.
104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri.  Measurers
    P. Bacci, L. Tesi, G. Fagioli.  0.60-m f/4 reflector + CCD.
106 Crni Vrh.  Observer B. Mikuz.  0.6-m f/3.3 Deltagraph + CCD.
118 Modra.  Observer S. Gajdos.  0.6-m f/5.5 reflector + CCD.
291 LPL/Spacewatch II.  Observer R. S. McMillan.  1.8-m f/2.7 reflector + CCD.
691 Steward Observatory, Kitt Peak.  Observer R. S. McMillan.  0.9-m f/3
    reflector + CCD.
D29 Purple Mountain Observatory, XuYi Station.  Observers H. B. Zhao, B. Li,
    G. Zhaori, R. Q. Hong, L. F. Hu.  Measurers H. B. Zhao, B. Li. H. Lu,
    G. Zhaori.  1.04-m f/1.8 Schmidt + 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.
K88 GINOP-KHK, Piszkesteto.  Observer K. Sarneczky.  0.60-m Schmidt + CCD.
 
Orbital elements:
2017 GS4                                                 Earth MOID = 0.1941 AU
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
M  15.42039              (2000.0)            P               Q
n   0.44840287     Peri.   18.85215     -0.11749692     -0.95355279
a   1.6905335      Node    78.64280     +0.87089590     -0.23315671
e   0.5624125      Incl.   16.43367     +0.47721568     +0.19072239
P   2.20           H   19.7           G   0.15           U   9
Residuals in seconds of arc
170401 D29  0.2+  0.2+    170402 I93  0.4-  0.0     170403 104  0.2-  0.2-
170401 D29  0.2+  0.0     170402 I93  0.3+  0.0     170403 K88  0.5+  1.0+
170401 D29  1.1+  0.8-    170403 I93  1.0+  0.6+    170403 K88  0.0   0.1+
170402 033  0.3-  0.2+    170403 106  0.4-  0.6-    170403 104  0.1-  0.3-
170402 033  0.4-  0.0     170403 106  0.2-  0.1-    170403 104  0.0   0.1+
170402 033  0.5-  0.1+    170403 106  0.5+  0.2+    170404 691  0.1+  0.3+
170402 033  0.5-  0.1+    170403 118  0.8-  0.9-    170404 291  0.1+  0.0
170402 033  0.4+  0.4+    170403 118  1.0-  0.3-    170404 691  0.2-  0.1+
170402 033  0.1-  0.2+    170403 118  1.1-  0.4-    170404 291  0.0   0.0
170402 033  0.3-  0.0     170403 I52  0.6+  0.3-    170404 291  0.1-  0.1-
170402 K88  0.2+  0.4+    170403 I52  0.4+  0.4-    170404 691  0.1-  0.1-
170402 K88  0.2+  0.6+    170403 I52  0.4+  0.4-
170402 K88  0.1+  0.3+    170403 I52  0.7+  0.0

Ephemeris:
2017 GS4                 a,e,i = 1.69, 0.56, 16                  q = 0.7398
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 03 05    17 32 50.2 +32 43 07   0.3508  1.0344    87.0    73.2    20.1
...
2017 03 20    16 36 22.4 +32 36 45   0.3848  1.1686   107.1    54.5    20.0
...
2017 03 28    16 04 42.1 +31 44 18   0.4055  1.2403   117.8    45.4    19.9
...
2017 04 03    15 40 37.5 +30 33 52   0.4249  1.2937   125.5    39.0    20.0
2017 04 04    15 36 39.2 +30 19 19   0.4285  1.3025   126.7    38.0    20.0
2017 04 05    15 32 42.4 +30 03 59   0.4324  1.3113   127.9    37.0    20.0
...
2017 04 11    15 09 47.9 +28 16 07   0.4586  1.3637   134.6    31.6    20.0
...
2017 04 19    14 42 25.0 +25 17 03   0.5036  1.4321   141.2    26.0    20.2
...
2017 05 04    14 04 39.1 +18 47 44   0.6227  1.5556   144.0    22.4    20.7

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-G48




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