[Iaude] MPEC X84: 2018 XE2 [a=2.18,e=0.73,i=6.4,H=24.9]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Wed Dec 12 07:13:16 EST 2018


M.P.E.C. 2018-X84                                Issued 2018 Dec. 12, 12:10 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 XE2
 
Observations:
     K18X02E* C2018 12 10.26694 04 02 24.62 +08 08 20.1          20.2 GVEX084703
     K18X02E  C2018 12 10.27220 04 02 19.80 +08 06 45.9          19.8 GVEX084703
     K18X02E  C2018 12 10.27745 04 02 14.99 +08 05 09.6          19.3 GVEX084703
     K18X02E  C2018 12 10.28271 04 02 10.29 +08 03 37.1          20.0 GVEX084703
     K18X02E  C2018 12 10.32479204 01 30.99 +07 50 45.0          19.1 GVEX084H01
     K18X02E  C2018 12 10.32819204 01 27.85 +07 49 42.4          19.5 GVEX084H01
     K18X02E  C2018 12 10.33828304 01 18.53 +07 46 35.9          19.4 GVEX084H01
     K18X02E  C2018 12 10.34580404 01 11.56 +07 44 16.4          19.5 GVEX084H01
     K18X02E  C2018 12 10.38858 04 00 32.12 +07 30 59.4          19.3 GVEX084I52
     K18X02E  C2018 12 10.38913 04 00 31.57 +07 30 49.1          19.9 GVEX084I52
     K18X02E  C2018 12 10.38968 04 00 31.07 +07 30 38.8          19.2 GVEX084I52
     K18X02E  C2018 12 10.39024 04 00 30.56 +07 30 28.4          19.0 GVEX084I52
     K18X02E KC2018 12 10.80920303 53 57.15 +05 06 54.8          19.4 GVEX084L01
     K18X02E KC2018 12 10.81028703 53 55.97 +05 06 30.9          19.6 GVEX084L01
     K18X02E KC2018 12 10.81176903 53 54.35 +05 05 57.6          19.7 GVEX084L01
     K18X02E KC2018 12 10.81295403 53 53.07 +05 05 31.4          19.6 GVEX084L01
     K18X02E KC2018 12 10.81393903 53 51.99 +05 05 09.3          19.6 GVEX084L01
     K18X02E KC2018 12 10.85907 03 53 02.66 +04 48 16.3          19.3  VEX084104
     K18X02E KC2018 12 10.86310 03 52 58.25 +04 46 39.3                VEX084587
     K18X02E KC2018 12 10.86329 03 52 57.95 +04 46 40.2          19.4  VEX084104
     K18X02E KC2018 12 10.86421 03 52 57.04 +04 46 14.4                VEX084587
     K18X02E KC2018 12 10.86532 03 52 55.81 +04 45 48.9          19.6 GVEX084587
     K18X02E KC2018 12 10.86752 03 52 53.21 +04 45 04.1          19.3  VEX084104
     K18X02E KC2018 12 10.98359403 50 42.14 +03 59 33.0          19.3 GVEX084J95
     K18X02E KC2018 12 10.98577803 50 39.57 +03 58 40.1          19.3 GVEX084J95
     K18X02E KC2018 12 10.98802903 50 36.97 +03 57 46.5          19.7 GVEX084J95
     K18X02E KC2018 12 11.14068703 47 45.12 +02 55 10.6          19.6 VuEX084H21
     K18X02E KC2018 12 11.14391703 47 41.05 +02 53 47.8          19.6 VuEX084H21
     K18X02E KC2018 12 11.14770203 47 36.32 +02 52 10.8          19.6 VuEX084H21
     K18X02E  C2018 12 11.20607 03 46 26.25 +02 27 13.4                VEX084I52
     K18X02E  C2018 12 11.20705 03 46 24.94 +02 26 47.1          19.1 GVEX084I52
     K18X02E  C2018 12 11.20755 03 46 24.31 +02 26 34.1          19.3 GVEX084I52
     K18X02E KC2018 12 11.83673 03 31 41.14 -02 51 30.3          18.4 RVEX084K51
     K18X02E KC2018 12 11.83835 03 31 38.42 -02 52 26.6          18.4 RVEX084K51
     K18X02E KC2018 12 11.83998 03 31 35.68 -02 53 23.1          18.3 RVEX084K51
     K18X02E KC2018 12 11.87008 03 30 45.22 -03 10 49.2          18.7 RVEX084K63
     K18X02E KC2018 12 11.87260 03 30 40.91 -03 12 18.1          18.7 RVEX084K63
     K18X02E KC2018 12 11.88182 03 30 25.15 -03 17 43.1          18.1 RVEX084K63
     K18X02E  C2018 12 12.08498 03 24 43.86 -05 22 10.8          19.2 GVEX084I52
     K18X02E  C2018 12 12.08632 03 24 41.36 -05 23 01.9          18.9 GVEX084I52
     K18X02E  C2018 12 12.08765 03 24 38.91 -05 23 54.2          19.1 GVEX084I52
     K18X02E  C2018 12 12.08899 03 24 36.40 -05 24 46.3          18.7 GVEX084I52
 
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, A. Fumagalli, P. Sicoli, A. Testa.
    Measurer P. Sicoli.  0.5-m f/6.8 reflector + CCD.
703 Catalina Sky 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.  0.68-m Schmidt + 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.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.76-m f/3.0
    astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer G. J. Leonard.
    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.
J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3
    Schmidt-Cassegrain + CCD.
K51 Osservatorio del Celado, Castello Tesino.  Observers G. Favero,
    R. Furgoni.  Measurer R. Furgoni.  0.80-m f/4 reflector + CCD.
K63 G. Pascoli Observatory, Castelvecchio Pascoli.  Observer R. Bacci.
    0.41-m f/3.2 Newtonian reflector + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.
 
Orbital elements:
2018 XE2                                                 Earth MOID = 0.0162 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M  27.21646              (2000.0)            P               Q
n   0.30661488     Peri.  277.96656     -0.97573542     -0.19162731
a   2.1780804      Node   251.03381     +0.21732174     -0.90654110
e   0.7321430      Incl.    6.43074     -0.02667680     -0.37611461
P   3.21           H   24.9           G   0.15           U   7
Residuals in seconds of arc
181210 703  0.3+  1.0-    181210 L01  0.1+  0.0     181211 H21  0.0   0.2-
181210 703  0.0   0.6-    181210 L01  0.2+  0.2+    181211 I52  0.4+  0.3+
181210 703 (0.2-  2.3-)   181210 L01  0.1+  0.1+    181211 I52  0.3-  0.2-
181210 703  1.6+  0.2+    181210 104  0.1-  0.2+    181211 I52  0.0   0.1-
181210 H01  0.0   0.0     181210 587  0.8-  0.8-    181211 K51  0.2+  0.0
181210 H01  0.0   0.1+    181210 104  0.0   0.0     181211 K51  0.0   0.2-
181210 H01  0.1+  0.0     181210 587  0.3-  0.5-    181211 K51  0.2-  0.1-
181210 H01  0.0   0.0     181210 587  0.2-  0.7-    181211 K63  0.7+  0.1+
181210 I52  0.3+  0.2-    181210 104  0.1-  0.3+    181211 K63  0.4+  0.1-
181210 I52  0.2-  0.1-    181210 J95  0.1-  0.4+    181211 K63  0.2+  0.0
181210 I52  0.0   0.0     181210 J95  0.4-  0.1-    181212 I52  0.1-  0.2-
181210 I52  0.2+  0.2+    181210 J95  0.0   0.3+    181212 I52  0.2-  0.6+
181210 L01  0.2+  0.1+    181211 H21  0.2+  0.1-    181212 I52  0.2+  0.2-
181210 L01  0.2+  0.3+    181211 H21  0.3-  0.3-    181212 I52  0.1+  0.4-

Ephemeris:
2018 XE2                 a,e,i = 2.18, 0.73, 6                   q = 0.5834
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 11 12    05 02 21.5 +27 40 52   0.4275  1.3812   151.7    19.9    24.8
...
2018 11 27    04 57 12.2 +25 31 19   0.2189  1.2019   168.2     9.6    22.6
...
2018 12 05    04 40 55.9 +20 46 16   0.1177  1.1032   178.3     1.5    20.7
...
2018 12 11    03 50 26.5 +03 55 31   0.04855 1.0282   152.9    25.9    19.6
2018 12 12    03 27 05.9 -04 25 51   0.03905 1.0157   142.0    36.7    19.4
2018 12 13    02 49 30.1 -17 15 23   0.03150 1.0031   125.5    53.0    19.3
...
2018 12 19    18 58 38.0 -47 38 32   0.06385 0.9281    28.2   149.9    27.2
...
2018 12 27    17 51 49.4 -37 42 59   0.1603  0.8302    15.7   161.3    32.0
...
2019 01 11    17 41 56.9 -32 33 37   0.3708  0.6687    25.6   140.5    28.8

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-X84



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