[Iaude] MPEC X44: 2018 XJ [a=2.29,e=0.59,i=3.9,H=27.9]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Wed Dec 5 10:53:17 EST 2018


M.P.E.C. 2018-X44                                Issued 2018 Dec. 5, 15:49 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 XJ
 
Observations:
     K18X00J* C2018 12 04.26901 04 53 55.28 +16 08 26.4          19.7 GVEX044G96
     K18X00J  C2018 12 04.27416 04 54 02.95 +16 10 04.9          20.3 GVEX044G96
     K18X00J  C2018 12 04.27933 04 54 10.52 +16 11 41.5          19.9 GVEX044G96
     K18X00J  C2018 12 04.28450 04 54 18.10 +16 13 19.0          20.7 GVEX044G96
     K18X00J  C2018 12 04.33782204 55 34.00 +16 29 34.3          20.3 GVEX044H01
     K18X00J  C2018 12 04.34299504 55 41.42 +16 31 08.0          20.2 GVEX044H01
     K18X00J  C2018 12 04.35144004 55 53.53 +16 33 40.4          20.1 GVEX044H01
     K18X00J  C2018 12 04.35933104 56 04.83 +16 36 02.0          20.1 GVEX044H01
     K18X00J  C2018 12 04.44668 04 58 09.97 +17 01 38.4          20.3 GVEX044I52
     K18X00J  C2018 12 04.45032 04 58 15.14 +17 02 40.5          20.4 GVEX044I52
     K18X00J  C2018 12 04.88262 05 08 39.80 +18 55 54.7          20.1 VSEX044033
     K18X00J  C2018 12 04.88341 05 08 40.77 +18 56 06.3          20.2 VSEX044033
     K18X00J  C2018 12 04.88420 05 08 41.72 +18 56 17.9          20.2 VSEX044033
     K18X00J  C2018 12 04.88499 05 08 42.68 +18 56 29.5          20.5 VSEX044033
     K18X00J  C2018 12 04.88579 05 08 43.66 +18 56 41.2          20.8 VSEX044033
     K18X00J  C2018 12 04.88657 05 08 44.62 +18 56 52.6          20.8 VSEX044033
     K18X00J  C2018 12 04.88736 05 08 45.58 +18 57 04.1          20.6 VSEX044033
     K18X00J  C2018 12 04.88816 05 08 46.55 +18 57 15.8          20.7 VSEX044033
     K18X00J KC2018 12 04.89969405 09 00.84 +19 00 31.1          21.0 GVEX044L01
     K18X00J KC2018 12 04.90059705 09 01.94 +19 00 44.5          20.8 GVEX044L01
     K18X00J IC2018 12 04.90266405 09 04.37 +19 01 14.4          21.0 GVEX044L01
     K18X00J KC2018 12 04.90369705 09 05.62 +19 01 30.4          21.0 GVEX044L01
     K18X00J KC2018 12 04.96671 05 10 20.80 +19 16 34.8          20.2  VEX044104
     K18X00J KC2018 12 04.97420205 10 38.228+19 19 28.39         20.3 GVEX044J04
     K18X00J KC2018 12 04.97723605 10 41.742+19 20 11.49         20.6 GVEX044J04
     K18X00J KC2018 12 04.97774 05 10 33.68 +19 19 09.0                VEX044104
     K18X00J KC2018 12 04.98292 05 10 39.66 +19 20 22.1          19.9  VEX044104
     K18X00J KC2018 12 05.06405 05 12 13.27 +19 38 35.6          20.4 GVEX044204
     K18X00J HC2018 12 05.08077 05 12 32.32 +19 42 16.2                VEX044204
     K18X00J  C2018 12 05.14272605 14 09.95 +19 56 20.4          23.0 GVEX044H01
     K18X00J  C2018 12 05.14649805 14 14.23 +19 57 11.2          20.9 GVEX044H01
     K18X00J  C2018 12 05.16066805 14 30.17 +20 00 21.2          20.9 GVEX044H01
     K18X00J  C2018 12 05.16710905 14 37.35 +20 01 47.2          20.1 GVEX044H01
 
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.
G96 Mt. Lemmon Survey.  Observer B. M. Africano.  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.  1.5-m reflector + 10K 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.  Observer P. Ruiz.  Measurers
    M. Micheli, D. Koschny, M. Busch, E. Schwab, A. Knoefel.  1.0-m f/4.4
    reflector + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.
 
Orbital elements:
2018 XJ                                                  Earth MOID = 0.0096 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M  48.99280              (2000.0)            P               Q
n   0.28479224     Peri.  320.73940     +0.81822248     -0.57117611
a   2.2879715      Node    74.21302     +0.54308033     +0.73063391
e   0.5910616      Incl.    3.89368     +0.18861531     +0.37407478
P   3.46           H   27.9           G   0.15           U   6
Residuals in seconds of arc
181204 G96  1.4-  0.4-    181204 033  0.3+  0.2+    181204 104  0.5-  0.7-
181204 G96  0.1+  0.7+    181204 033  0.0   0.2+    181204 J04  0.4-  0.1+
181204 G96  0.1+  0.2-    181204 033  0.0   0.2+    181204 J04  0.1-  0.1+
181204 G96  0.4+  0.0     181204 033  0.0   0.1+    181204 104  0.6+  0.9-
181204 H01  0.3+  0.2+    181204 033  0.1+  0.1+    181204 104  0.3+  0.1+
181204 H01  0.2+  0.1+    181204 033  0.1+  0.0     181205 204  0.5-  0.2+
181204 H01  0.1+  0.2+    181204 033  0.0   0.1-    181205 204  0.5-  0.3+
181204 H01  0.1+  0.1+    181204 L01  0.1+  0.4-    181205 H01  0.0   0.0
181204 I52  0.1+  0.4-    181204 L01  0.3+  0.2-    181205 H01  0.1+  0.1+
181204 I52  0.1+  0.2-    181204 L01  0.4-  0.4-    181205 H01  0.2+  0.1+
181204 033  0.2+  0.2+    181204 L01  0.2-  0.6+    181205 H01  0.1+  0.3+

Ephemeris:
2018 XJ                  a,e,i = 2.29, 0.59, 4                   q = 0.9356
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 11 05    19 19 47.0 -37 10 17   0.1603  0.9353    65.0   106.1    27.7
...
2018 11 20    20 05 00.4 -39 29 30   0.06954 0.9548    59.6   116.8    26.6
...
2018 11 28    22 27 03.1 -41 12 55   0.02364 0.9822    78.5   100.1    23.4
...
2018 12 04    04 46 19.3 +14 40 26   0.02398 1.0095   172.4     7.5    20.4
2018 12 05    05 11 00.1 +19 26 12   0.02915 1.0145   173.1     6.7    20.8
2018 12 06    05 28 49.6 +22 36 02   0.03470 1.0197   170.7     9.0    21.2
...
2018 12 12    06 16 22.8 +29 49 51   0.07104 1.0533   164.7    14.3    23.1
...
2018 12 20    06 34 12.9 +32 05 34   0.1232  1.1042   167.0    11.6    24.3
...
2019 01 04    06 42 24.0 +32 43 11   0.2329  1.2131   169.6     8.4    25.7

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-X44



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