[Iaude] MPEC X35: 2018 XC [a=0.79,e=0.40,i=21.3,H=26.0]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Tue Dec 4 17:15:47 EST 2018 

M.P.E.C. 2018-X35                                Issued 2018 Dec. 4, 22:11 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 XC
 
Observations:
     K18X00C* C2018 12 03.26236304 07 09.87 +34 59 57.4          18.49RUEX035I41
     K18X00C  C2018 12 03.26271004 07 08.56 +35 00 05.8          18.49RUEX035I41
     K18X00C  C2018 12 03.33164804 03 08.50 +35 27 30.4          18.51RUEX035I41
     K18X00C  C2018 12 03.33199404 03 07.19 +35 27 38.9          18.51RUEX035I41
     K18X00C KC2018 12 03.99430403 30 42.28 +38 49 11.1          18.7 GVEX035J95
     K18X00C KC2018 12 03.99541403 30 39.24 +38 49 26.7          19.2 GVEX035J95
     K18X00C KC2018 12 03.99655003 30 36.18 +38 49 42.9          18.9 GVEX035J95
     K18X00C  C2018 12 04.11008 03 26 07.40 +39 16 28.5          18.9 GVEX035I52
     K18X00C  C2018 12 04.11119 03 26 04.54 +39 16 43.5          19.3 GVEX035I52
     K18X00C KC2018 12 04.73780 03 02 36.45 +41 06 42.1                VEX035104
     K18X00C KC2018 12 04.73888703 02 33.43 +41 06 52.4          19.7 G EX035L01
     K18X00C KC2018 12 04.74016903 02 30.80 +41 07 03.8          19.9 G EX035L01
     K18X00C KC2018 12 04.74130103 02 28.44 +41 07 14.0          19.9 G EX035L01
     K18X00C KC2018 12 04.74133 03 02 29.11 +41 07 13.7          19.4  VEX035104
     K18X00C KC2018 12 04.74238903 02 26.19 +41 07 24.0          19.8 G EX035L01
     K18X00C KC2018 12 04.74367403 02 23.55 +41 07 35.2          19.8 G EX035L01
     K18X00C KC2018 12 04.74373 03 02 24.21 +41 07 35.7          19.7  VEX035104
     K18X00C KC2018 12 04.76910 03 01 31.82 +41 11 14.5                UEX035587
     K18X00C KC2018 12 04.76956 03 01 30.90 +41 11 18.5          19.5 GUEX035587
     K18X00C KC2018 12 04.78212 03 01 05.12 +41 13 08.5                UEX035587
     K18X00C KC2018 12 04.86597302 58 23.482+41 25 35.98         19.0 GVEX035J04
     K18X00C KC2018 12 04.86702502 58 21.418+41 25 44.79         19.4 GVEX035J04
 
Observer details:
104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri.  Measurers
    P. Bacci, L. Tesi, G. Fagioli.  0.60-m reflector + CCD.
587 Sormano.  Observers M. Calcagno, F. Manca, P. Sicoli, A. Testa.  Measurer
    P. Sicoli.  0.5-m f/6.8 reflector + CCD.
I41 Palomar Mountain--ZTF.  Observer A. U. Tomatic.  Measurers H.-J. Tan,
    H.-W. Lin, F. J. Masci, Q.-Z. Ye.  1.2-m f/2.4 Schmidt.
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 D. Abreu.  Measurers
    M. Micheli, D. Koschny, M. Busch, 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.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.
 
Orbital elements:
2018 XC                                                  Earth MOID = 0.0133 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M 319.92054              (2000.0)            P               Q
n   1.40371419     Peri.  212.20418     +0.17429893     +0.92382737
a   0.7899815      Node    69.82681     -0.80884691     +0.33172600
e   0.4031330      Incl.   21.29079     -0.56159287     -0.19105198
P   0.70           H   26.0           G   0.15           U   8
Residuals in seconds of arc
181203 I41  0.4+  0.3-    181204 I52  0.1-  0.2-    181204 104  0.2+  0.1-
181203 I41  0.7-  0.5-    181204 104  0.2+  0.3+    181204 587  0.6-  0.6+
181203 I41  1.0+  0.5+    181204 L01  0.2+  0.1+    181204 587  0.4-  0.6+
181203 I41  0.5-  1.0+    181204 L01  0.4+  0.1-    181204 587  0.5-  0.2+
181203 J95  0.2+  0.1-    181204 L01  0.2+  0.2-    181204 J04  0.0   0.0
181203 J95  0.2-  0.2-    181204 104  0.4-  0.3-    181204 J04  0.6+  0.1+
181203 J95  0.0   0.0     181204 L01  0.1+  0.1-
181204 I52  0.4-  0.2+    181204 L01  0.3+  0.5-

Ephemeris:
2018 XC                  a,e,i = 0.79, 0.40, 21                  q = 0.4715
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 11 04    12 15 50.1 -43 20 02   0.2220  0.8368    40.9   129.1    28.0
...
2018 11 19    11 33 20.6 -42 53 12   0.09992 0.9357    55.7   119.3    25.6
...
2018 11 27    10 10 37.3 -36 20 04   0.03748 0.9794    77.6   100.3    22.5
...
2018 12 03    04 22 28.0 +33 01 40   0.02261 1.0080   168.6    11.1    18.5
2018 12 04    03 30 34.1 +38 51 31   0.02884 1.0124   157.7    21.7    19.4
2018 12 05    02 54 02.8 +41 41 33   0.03588 1.0167   149.9    29.1    20.1
...
2018 12 11    01 30 13.1 +44 53 52   0.08296 1.0405   130.4    46.1    22.4
...
2018 12 19    01 06 52.3 +45 03 51   0.1483  1.0666   120.4    52.7    23.9
...
2019 01 03    01 05 49.2 +45 18 31   0.2698  1.0985   108.3    58.2    25.5

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-X35

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