[Iaude] MPEC X43: 2018 XH [a=1.41,e=0.30,i=1.2,H=22.0,PHA]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Wed Dec 5 10:49:26 EST 2018


M.P.E.C. 2018-X43                                Issued 2018 Dec. 5, 15:45 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 XH
 
Observations:
     K18X00H* C2018 12 03.09565 07 45 03.34 +24 29 13.9          19.8 RcEX043J04
     K18X00H  C2018 12 03.10734 07 45 06.39 +24 29 05.1          19.4 RcEX043J04
     K18X00H  C2018 12 03.11903 07 45 09.41 +24 28 55.7          19.6 RcEX043J04
     K18X00H  C2018 12 03.13766 07 45 14.25 +24 28 41.2          19.6 RcEX043J04
     K18X00H  C2018 12 03.97303207 49 10.961+24 16 47.81         19.6 GVEX043J04
     K18X00H  C2018 12 03.97378307 49 11.175+24 16 47.09         19.3 GVEX043J04
     K18X00H  C2018 12 03.97454307 49 11.378+24 16 46.68         19.5 GVEX043J04
     K18X00H KC2018 12 04.01243307 49 20.67 +24 16 02.7          20.0 GVEX043J95
     K18X00H KC2018 12 04.02038007 49 22.82 +24 15 56.7          19.9 GVEX043J95
     K18X00H  C2018 12 04.21987 07 50 17.28 +24 13 22.8          19.5 GVEX043J04
     K18X00H  C2018 12 04.22063 07 50 17.46 +24 13 22.1          19.4 GVEX043J04
     K18X00H  C2018 12 04.22138 07 50 17.68 +24 13 21.2          19.5 GVEX043J04
     K18X00H  C2018 12 04.47963 07 51 31.78 +24 09 27.1          19.5 GVEX043I52
     K18X00H  C2018 12 04.48005 07 51 31.90 +24 09 26.9          19.4 GVEX043I52
     K18X00H  C2018 12 04.48451 07 51 33.10 +24 09 22.7          19.5 GVEX043I52
     K18X00H  C2018 12 04.48643 07 51 33.61 +24 09 21.1          19.4 GVEX043I52
     K18X00H KC2018 12 04.95326707 53 51.64 +24 01 57.6          20.1 GVEX043L01
     K18X00H KC2018 12 04.95521307 53 52.21 +24 01 56.1          20.0 GVEX043L01
     K18X00H KC2018 12 04.95716107 53 52.74 +24 01 53.9          20.0 GVEX043L01
     K18X00H KC2018 12 04.95911007 53 53.29 +24 01 52.4          19.8 GVEX043L01
     K18X00H KC2018 12 04.96113 07 53 54.01 +24 01 50.7          19.3 RVEX043K63
     K18X00H KC2018 12 04.96205 07 53 54.28 +24 01 48.2          19.8 GUEX043587
     K18X00H KC2018 12 04.96326 07 53 54.62 +24 01 49.2          19.2 RVEX043K63
     K18X00H KC2018 12 04.96521 07 53 55.16 +24 01 45.4          19.5 GUEX043587
     K18X00H KC2018 12 04.96626 07 53 55.42 +24 01 44.6          19.7 GUEX043587
     K18X00H KC2018 12 04.96829 07 53 56.01 +24 01 45.0          19.0 RVEX043K63
     K18X00H  C2018 12 04.97984407 54 00.524+24 01 40.32         19.9 GVEX043J04
     K18X00H  C2018 12 04.98072207 54 00.747+24 01 39.73         19.5 GVEX043J04
     K18X00H  C2018 12 04.98158807 54 00.982+24 01 39.05         19.6 GVEX043J04
     K18X00H KC2018 12 04.99932 07 54 04.67 +24 01 17.4          19.8  VEX043104
     K18X00H  C2018 12 05.00172 07 54 05.11 +24 01 10.4          20.1 VSEX043033
     K18X00H  C2018 12 05.00310 07 54 05.51 +24 01 09.5          20.0 VSEX043033
     K18X00H KC2018 12 05.00317 07 54 05.74 +24 01 14.1          19.5  VEX043104
     K18X00H  C2018 12 05.00447 07 54 05.89 +24 01 08.0          20.3 VSEX043033
     K18X00H KC2018 12 05.00702 07 54 06.81 +24 01 10.4          19.4  VEX043104
     K18X00H KC2018 12 05.00702 07 54 06.37 +24 01 08.7          19.0 RoEX043K88
     K18X00H KC2018 12 05.01167 07 54 07.63 +24 01 04.7          19.2 RoEX043K88
     K18X00H KC2018 12 05.01632 07 54 08.90 +24 01 00.6          20.0 RoEX043K88
     K18X00H  C2018 12 05.09851 07 54 32.06 +23 59 41.1          20.3 VSEX043033
     K18X00H  C2018 12 05.09987 07 54 32.41 +23 59 39.8          20.7 VSEX043033
     K18X00H  C2018 12 05.10124 07 54 32.79 +23 59 38.4          20.2 VSEX043033
     K18X00H KC2018 12 05.10231 07 54 33.21 +23 59 41.5                VEX043204
     K18X00H KC2018 12 05.11441 07 54 36.57 +23 59 30.1                VEX043204
     K18X00H KC2018 12 05.12409 07 54 39.24 +23 59 20.7          19.8 GVEX043204
     K18X00H  C2018 12 05.23453 07 55 10.15 +23 57 27.0          20.3 VSEX043033
     K18X00H  C2018 12 05.23579 07 55 10.50 +23 57 25.7          20.4 VSEX043033
     K18X00H  C2018 12 05.23704 07 55 10.85 +23 57 24.7          20.6 VSEX043033
     K18X00H  C2018 12 05.36128607 55 50.40 +23 55 42.9          20.0 GVEX043H01
     K18X00H  C2018 12 05.36629407 55 51.78 +23 55 38.3          19.6 GVEX043H01
     K18X00H  C2018 12 05.38114507 55 55.88 +23 55 24.4          19.4 GVEX043H01
     K18X00H  C2018 12 05.39046407 55 58.45 +23 55 15.6          19.4 GVEX043H01
 
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 reflector + CCD.
204 Schiaparelli Observatory.  Observer L. Buzzi.  0.84-m f/3.5 reflector +
    CCD.
587 Sormano.  Observers M. Calcagno, F. Manca, P. Sicoli, A. Testa.  Measurer
    P. Sicoli.  0.5-m f/6.8 reflector + CCD.
H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
    Measurer W. H. Ryan.  2.4-m f/8.9 Ritchey-Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer E. J. Christensen.
    Measurers B. M. Africano, E. J. Christensen, G. A. Farneth, D. C. Fuls,
    A. R. Gibbs, A. D. Grauer, H. Groeller, R. A. Kowalski, S. M. Larson,
    G. J. Leonard, R. L. Seaman, F. C. Shelly.  1.0-m reflector + CCD.
J04 ESA Optical Ground Station, Tenerife.  Observers D. Abreu, P. Ruiz.
    Measurers M. Busch, D. Koschny, J. Linder, M. Micheli, E. Schwab,
    A. Knoefel.  1.0-m f/4.4 reflector + CCD.
J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3
    Schmidt-Cassegrain + CCD.
K63 G. Pascoli Observatory, Castelvecchio Pascoli.  Observer R. Bacci.
    0.41-m f/3.2 Newtonian reflector + CCD.
K88 GINOP-KHK, Piszkesteto.  Observer A. Bodi.  Measurer K. Sarneczky.
    0.60-m Schmidt + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.
 
Orbital elements:
2018 XH                                             PHA, Earth MOID = 0.0135 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M  50.48546              (2000.0)            P               Q
n   0.58598779     Peri.  216.34503     -0.74418517     -0.66764303
a   1.4143069      Node   281.75559     +0.61780043     -0.67599028
e   0.2985681      Incl.    1.22939     +0.25399029     -0.31191333
P   1.68           H   22.0           G   0.15           U   7
Residuals in seconds of arc
181203 J04  0.0   0.5+    181204 L01  0.1-  0.3+    181205 104  0.2+  0.3-
181203 J04  0.2+  0.7+    181204 L01  0.3-  0.2-    181205 K88  0.2+  0.0
181203 J04  0.1+  0.3+    181204 L01  0.2-  0.0     181205 K88  0.2-  0.3+
181203 J04  0.4+  0.4+    181204 K63  0.0   0.2-    181205 K88  0.5-  0.4+
181203 J04  0.2-  0.1+    181204 587  0.4+  0.4-    181205 033  0.3+  0.1+
181203 J04  0.2-  0.1-    181204 K63  0.1+  0.1+    181205 033  0.1-  0.1+
181203 J04  0.3-  0.1+    181204 587  0.4+  0.4-    181205 033  0.1-  0.0
181204 J95  0.1+  0.6-    181204 587  0.1-  0.3-    181205 204  0.0   0.0
181204 J95  0.2-  0.1-    181204 K63  0.1-  0.3+    181205 204  0.2+  0.1+
181204 J04  0.2+  0.1+    181204 J04  0.3+  0.0     181205 204  0.2+  0.0
181204 J04  0.1-  0.1+    181204 J04  0.1-  0.1+    181205 033  0.0   0.2+
181204 J04  0.2+  0.1-    181204 J04  0.3-  0.1+    181205 033  0.1-  0.2+
181204 I52  0.0   0.2-    181204 104  0.1+  0.1-    181205 033  0.2-  0.4+
181204 I52  0.1+  0.0     181205 033  0.1-  0.2+    181205 H01  0.1+  0.0
181204 I52  0.1+  0.1-    181205 033  0.1+  0.5+    181205 H01  0.0   0.0
181204 I52  0.0   0.1+    181205 104  0.1+  0.0     181205 H01  0.0   0.0
181204 L01  0.4-  0.1+    181205 033  0.1+  0.2+    181205 H01  0.0   0.0

Ephemeris:
2018 XH                  a,e,i = 1.41, 0.30, 1                   q = 0.9920
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 11 05    06 07 45.8 +26 39 30   0.3493  1.2469   130.4    37.2    21.7
...
2018 11 20    06 53 12.2 +26 16 36   0.2518  1.1805   135.3    36.1    20.8
...
2018 11 28    07 22 57.2 +25 25 47   0.2079  1.1467   136.6    36.2    20.4
...
2018 12 04    07 49 15.4 +24 16 40   0.1789  1.1225   136.7    37.1    20.0
2018 12 05    07 54 03.1 +24 01 37   0.1744  1.1186   136.5    37.3    20.0
2018 12 06    07 58 58.7 +23 45 23   0.1700  1.1147   136.4    37.6    19.9
...
2018 12 12    08 31 35.2 +21 38 06   0.1459  1.0922   134.7    39.8    19.6
...
2018 12 20    09 24 21.4 +17 02 37   0.1206  1.0648   129.7    45.3    19.3
...
2019 01 04    11 27 15.6 +02 00 26   0.09867 1.0234   111.4    63.5    19.3

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-X43



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