[Iaude] MPEC X56: 2018 XS [a=2.04,e=0.53,i=3.9,H=22.1]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Sat Dec 8 11:45:17 EST 2018


M.P.E.C. 2018-X56                                Issued 2018 Dec. 8, 16:41 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 https://www.minorplanetcenter.net/    ISSN 1523-6714


                                    2018 XS
 
Observations:
     K18X00S* C2018 12 03.27743106 14 14.48 +52 54 13.0          19.94rUEX056I41
     K18X00S  C2018 12 03.27881906 14 14.29 +52 54 08.7          19.86rUEX056I41
     K18X00S  C2018 12 03.36102006 14 02.73 +52 49 43.9          19.98rUEX056I41
     K18X00S  C2018 12 03.36242006 14 02.50 +52 49 39.0          20.13rUEX056I41
     K18X00S  C2018 12 04.87572 06 11 24.41 +51 28 32.5          18.9 VSEX056033
     K18X00S  C2018 12 04.87782 06 11 24.17 +51 28 26.2          19.0 VSEX056033
     K18X00S  C2018 12 04.87993 06 11 23.92 +51 28 20.0          19.1 VSEX056033
     K18X00S  C2018 12 05.10417 06 10 56.67 +51 16 57.3          19.9 VSEX056033
     K18X00S  C2018 12 05.10632 06 10 56.41 +51 16 50.1          19.9 VSEX056033
     K18X00S  C2018 12 05.10847 06 10 56.15 +51 16 43.5          20.1 VSEX056033
     K18X00S KC2018 12 05.81726 06 09 51.61 +50 40 59.8          19.8 RoEX056K88
     K18X00S KC2018 12 05.82287 06 09 50.97 +50 40 44.0          20.0 RoEX056K88
     K18X00S  C2018 12 05.98454006 09 35.275+50 33 09.20         19.8 GVEX056J04
     K18X00S  C2018 12 05.98563606 09 35.131+50 33 06.03         19.7 GVEX056J04
     K18X00S  C2018 12 05.98674706 09 34.997+50 33 03.16         19.9 GVEX056J04
     K18X00S KC2018 12 06.87751 06 08 11.57 +49 49 52.0          20.1 GVEX056104
     K18X00S KC2018 12 06.88346 06 08 10.93 +49 49 36.0          20.2 GVEX056104
     K18X00S KC2018 12 06.89240 06 08 09.88 +49 49 12.1          19.8 GVEX056104
     K18X00S pC2018 12 07.00058206 07 57.65 +49 44 12.2          20.4 GVEX056L01
     K18X00S pC2018 12 07.00213306 07 57.39 +49 44 08.6          20.3 GVEX056L01
     K18X00S pC2018 12 07.00446606 07 57.11 +49 44 01.8          20.4 GVEX056L01
     K18X00S  C2018 12 08.11270 06 06 17.23 +48 52 53.4          18.6 VSEX056033
     K18X00S  C2018 12 08.11429 06 06 17.06 +48 52 49.0          18.4 VSEX056033
     K18X00S  C2018 12 08.11590 06 06 16.88 +48 52 44.5          18.5 VSEX056033
     K18X00S  C2018 12 08.17696 06 06 10.89 +48 49 53.2          18.9 VSEX056033
     K18X00S  C2018 12 08.22866 06 06 06.14 +48 47 27.2          18.9 VSEX056033
     K18X00S  C2018 12 08.23027 06 06 05.99 +48 47 22.6          19.1 VSEX056033
     K18X00S  C2018 12 08.23186 06 06 05.85 +48 47 18.0          19.2 VSEX056033
     K18X00S KC2018 12 08.25049006 06 08.15 +48 46 56.4          20.2 VuEX056H21
     K18X00S KC2018 12 08.26441206 06 06.60 +48 46 19.5          20.2 VuEX056H21
     K18X00S KC2018 12 08.28213206 06 04.69 +48 45 32.1          20.3 VuEX056H21
 
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg.  Observers F. Ludwig,
    B. Stecklum, C. Hoegner.  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 reflector + CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.81-m f/4.0
    astrograph + CCD.
I41 Palomar Mountain--ZTF.  Observer A. U. Tomatic.  Measurers F. J. Masci,
    Q.-Z. Ye.  1.2-m f/2.4 Schmidt.
J04 ESA Optical Ground Station, Tenerife.  Observer P. Ruiz.  Measurers
    M. Micheli, D. Koschny, M. Busch, E. Schwab, A. Knoefel.  1.0-m f/4.4
    reflector + CCD.
K88 GINOP-KHK, Piszkesteto.  Observer A. Bodi.  Measurer K. Sarneczky.
    0.60-m Schmidt + CCD.
L01 Visnjan Observatory, Tican.  Observers K. Korlevic, F. Valentine.
    Measurer K. Korlevic.  1.0-m f/2.9 reflector + CCD.
 
Orbital elements:
2018 XS                                                  Earth MOID = 0.0089 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M  64.51960              (2000.0)            P               Q
n   0.33771540     Peri.   40.74435     +0.94633721     -0.32215766
a   2.0422182      Node   338.00864     +0.27583523     +0.84657590
e   0.5340710      Incl.    3.93490     +0.16840670     +0.42370236
P   2.92           H   22.1           G   0.15           U   6
Residuals in seconds of arc
181203 I41  0.0   0.0     181205 K88  0.4-  0.2+    181208 033  0.0   0.0
181203 I41  0.0   0.1+    181205 J04  0.2-  0.1-    181208 033  0.2-  0.0
181203 I41  0.2+  0.2+    181205 J04  0.3-  0.2-    181208 033  0.0   0.0
181203 I41  0.0   0.1-    181205 J04  0.3-  0.0     181208 033  0.1+  0.0
181204 033  0.1-  0.2-    181206 104  0.5+  0.1-    181208 033  0.0   0.1-
181204 033  0.1-  0.3-    181206 104  0.5+  0.0     181208 033  0.0   0.2-
181204 033  0.1-  0.2-    181206 104  0.3-  0.3+    181208 H21  0.1+  0.0
181205 033  0.0   0.3+    181207 L01  0.8+  0.4-    181208 H21  0.3-  0.0
181205 033  0.0   0.1-    181207 L01  0.0   0.4+    181208 H21  0.0   0.1-
181205 033  0.0   0.1+    181207 L01  0.2-  0.2+
181205 K88  0.0   0.2+    181208 033  0.1+  0.0

Ephemeris:
2018 XS                  a,e,i = 2.04, 0.53, 4                   q = 0.9515
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 11 08    16 45 38.2 +67 27 48   0.06332 0.9890    86.5    89.9    19.3
...
2018 11 23    06 44 07.6 +65 29 08   0.1073  1.0554   126.9    48.5    19.2
...
2018 12 01    06 18 42.6 +55 07 16   0.1435  1.1008   140.6    34.6    19.5
...
2018 12 07    06 07 57.5 +49 44 12   0.1743  1.1383   149.1    26.4    19.8
2018 12 08    06 06 28.9 +48 58 07   0.1797  1.1448   150.3    25.2    19.8
2018 12 09    06 05 04.6 +48 13 50   0.1852  1.1513   151.6    24.0    19.9
...
2018 12 15    05 57 59.4 +44 20 21   0.2206  1.1918   158.0    18.0    20.1
...
2018 12 23    05 51 38.1 +40 15 03   0.2741  1.2483   163.0    13.3    20.5
...
2019 01 07    05 47 40.7 +34 49 56   0.3962  1.3592   158.2    15.6    21.6

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-X56



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