[Iaude] MPEC X103: 2018 XZ2 [a=2.71,e=0.63,i=20.5,H=21.5]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Wed Dec 12 14:13:18 EST 2018


M.P.E.C. 2018-X103                               Issued 2018 Dec. 12, 19:09 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 XZ2
 
Observations:
     K18X02Z* C2018 12 10.38960 03 03 31.63 -10 12 19.4          19.1 cVEX103T05
     K18X02Z  C2018 12 10.39832 03 03 29.85 -10 11 26.7          19.6 cVEX103T05
     K18X02Z  C2018 12 10.40664 03 03 28.10 -10 10 35.7          19.1 cVEX103T05
     K18X02Z  C2018 12 10.41536 03 03 26.32 -10 09 43.0          19.1 cVEX103T05
     K18X02Z  C2018 12 10.45655 03 03 17.80 -10 05 33.5          18.9 oVEX103T08
     K18X02Z  C2018 12 10.45793 03 03 17.44 -10 05 25.1          18.9 oVEX103T08
     K18X02Z  C2018 12 10.45839 03 03 17.38 -10 05 21.4          18.7 oVEX103T08
     K18X02Z  C2018 12 10.45885 03 03 17.34 -10 05 19.4          18.8 oVEX103T08
     K18X02Z  C2018 12 10.46510 03 03 16.09 -10 04 42.1          18.9 oVEX103T08
     K18X02Z  C2018 12 10.46951 03 03 15.14 -10 04 15.3          19.2 oVEX103T08
     K18X02Z  C2018 12 10.47653 03 03 13.76 -10 03 34.0          19.2 cVEX103T05
     K18X02Z  C2018 12 10.49225 03 03 10.53 -10 01 56.4          19.0 cVEX103T05
     K18X02Z  C2018 12 10.50631 03 03 07.71 -10 00 31.4          19.3 cVEX103T05
     K18X02Z  C2018 12 10.51293 03 03 06.46 -09 59 50.5          18.9 cVEX103T05
     K18X02Z  C2018 12 10.52023 03 03 04.93 -09 59 04.6          19.0 cVEX103T05
     K18X02Z KC2018 12 10.79823403 02 16.59 -09 31 00.6          19.2 GVEX103L01
     K18X02Z KC2018 12 10.79996103 02 16.24 -09 30 49.7          19.2 GVEX103L01
     K18X02Z KC2018 12 10.80168903 02 15.89 -09 30 38.9          19.2 GVEX103L01
     K18X02Z pC2018 12 10.80491503 02 15.24 -09 30 18.9          19.1 GVEX103L01
     K18X02Z KC2018 12 10.95944 03 01 43.12 -09 14 09.0          18.6  VEX103104
     K18X02Z KC2018 12 10.96540 03 01 41.87 -09 13 31.2          19.0  VEX103104
     K18X02Z KC2018 12 10.97136 03 01 40.64 -09 12 53.4          18.9  VEX103104
     K18X02Z KC2018 12 11.13054 03 01 12.75 -08 55 52.3          18.9 RqEX103H15
     K18X02Z KC2018 12 11.13345 03 01 12.15 -08 55 34.5          19.1 RqEX103H15
     K18X02Z KC2018 12 11.13635 03 01 11.48 -08 55 15.6          18.6 RqEX103H15
     K18X02Z KC2018 12 11.17101603 01 03.13 -08 51 37.7          19.2 VuEX103H21
     K18X02Z KC2018 12 11.17386103 01 02.52 -08 51 19.5          19.3 VuEX103H21
     K18X02Z KC2018 12 11.17735003 01 01.77 -08 50 57.0          19.5 VuEX103H21
     K18X02Z KC2018 12 11.78436 02 59 03.73 -07 42 56.6          18.4 GVEX103L29
     K18X02Z KC2018 12 11.78684 02 59 03.18 -07 42 39.4          19.0 GVEX103L29
     K18X02Z KC2018 12 11.78935 02 59 02.64 -07 42 22.4          18.4 GVEX103L29
     K18X02Z KC2018 12 11.80867 02 58 58.43 -07 41 13.4          18.3 RVEX103K63
     K18X02Z KC2018 12 11.81293 02 58 57.47 -07 40 44.4          18.5 RVEX103K63
     K18X02Z KC2018 12 11.81943 02 58 56.11 -07 40 01.6          18.5 RVEX103K63
     K18X02Z KC2018 12 11.84975 02 58 48.78 -07 36 35.4          18.9 VtEX103L04
     K18X02Z KC2018 12 11.85624 02 58 47.37 -07 35 50.8          18.9 VtEX103L04
     K18X02Z KC2018 12 11.86464 02 58 45.53 -07 34 53.1          18.8 VtEX103L04
     K18X02Z KC2018 12 11.90701 02 58 36.92 -07 30 01.2          18.8 GVEX103204
     K18X02Z KC2018 12 11.91104 02 58 36.04 -07 29 33.3                VEX103204
     K18X02Z KC2018 12 11.91509 02 58 35.14 -07 29 05.6                VEX103204
     K18X02Z KC2018 12 11.96378 02 58 23.98 -07 23 23.6          19.7 VtEX103K96
     K18X02Z KC2018 12 11.97074 02 58 22.48 -07 22 34.2          19.4 VtEX103K96
     K18X02Z  C2018 12 12.06859 02 58 07.35 -07 11 11.0                VEX103I52
     K18X02Z  C2018 12 12.07314 02 58 06.24 -07 10 37.0          19.1 GVEX103I52
     K18X02Z  C2018 12 12.07332 02 58 06.21 -07 10 35.4          18.9 GVEX103I52
     K18X02Z  C2018 12 12.36463502 57 02.90 -06 36 03.1          18.50oVEX103T08
     K18X02Z  C2018 12 12.37275402 57 01.07 -06 35 04.1          18.68oVEX103T08
     K18X02Z  C2018 12 12.38088902 56 59.15 -06 34 06.5          19.05oVEX103T08
     K18X02Z  C2018 12 12.38905102 56 57.39 -06 33 07.0          18.84oVEX103T08
 
Observer details:
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.
H15 ISON-NM Observatory, Mayhill.  Observer L. Elenin.  0.4-m f/3 reflector +
    CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.61-m f/4.5
    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.
K63 G. Pascoli Observatory, Castelvecchio Pascoli.  Observer R. Bacci.
    0.41-m f/3.2 Newtonian reflector + CCD.
K96 Savelli Observatory.  Observers A. Brosio, A. De Pieri.  0.5-m f/8.0
    Ritchey-Chretien + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.
L04 ROASTERR-1 Observatory, Cluj-Napoca.  Observer L. Hudin.  0.3-m f/5
    reflector + CCD.
L29 Drebach-South Observatory, Windhoek.  Observers G. Lehmann, K. Lehmann.
    0.4-m f/3.6 reflector + CCD.
T05 ATLAS-HKO, Haleakala.  Observers L. Denneau, H. Flewelling, A. Heinze,
    H. Weiland, J. Tonry.  Measurers L. Denneau, H. Flewelling, A. Heinze,
    J. Tonry, A. Fitzsimmons, D. Young, N. Erasmus.  0.5-m f/2.0 Schmidt +
    CCD.
T08 ATLAS-MLO, Mauna Loa.  Observers L. Denneau, H. Flewelling, A. Heinze,
    H. Weiland, J. Tonry.  Measurers L. Denneau, H. Flewelling, A. Heinze,
    J. Tonry, A. Fitzsimmons, D. Young, N. Erasmus, H. Weiland, B. Stalder.
    0.5-m f/2.0 Schmidt + CCD, 0.5-m reflector + CCD.
 
Orbital elements:
2018 XZ2                                                 Earth MOID = 0.0665 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M  23.22650              (2000.0)            P               Q
n   0.22069383     Peri.   27.40144     -0.32290707     -0.87997139
a   2.7119140      Node    83.20576     +0.79137070     -0.45294878
e   0.6267337      Incl.   20.54006     +0.51909868     +0.14313542
P   4.47           H   21.5           G   0.15           U   8
Residuals in seconds of arc
181210 T05  0.8-  0.7-    181210 L01  0.1-  0.1+    181211 L04  0.2-  0.4-
181210 T05  0.2-  0.5-    181210 L01  0.2+  0.1+    181211 L04  0.0   0.3-
181210 T05  0.5-  0.4+    181210 104  0.1+  0.1+    181211 L04  0.0   0.2-
181210 T05  0.0   0.5+    181210 104  0.0   0.1+    181211 204  0.2-  0.0
181210 T08  0.5+  0.3-    181210 104  0.1+  0.1+    181211 204  0.2-  0.1+
181210 T08  0.6-  0.3-    181211 H15  0.3-  0.5+    181211 204  0.3-  0.1-
181210 T08  0.1-  0.6+    181211 H15  0.1+  0.4-    181211 K96  0.0   0.1+
181210 T08  0.7+  0.2-    181211 H15  0.7-  0.0     181211 K96  0.2+  1.2+
181210 T08  1.1+  0.8-    181211 H21  0.1+  0.3+    181212 I52  1.2+  2.3-
181210 T08  0.3+  0.8-    181211 H21  0.1+  0.1+    181212 I52  0.6-  0.1+
181210 T05  0.3+  1.1-    181211 H21  0.0   0.1+    181212 I52  0.4-  0.4+
181210 T05  0.4-  0.7+    181211 L29  0.4+  0.1-    181212 T08  0.8-  0.0
181210 T05  0.4-  0.1-    181211 L29  0.4+  0.2+    181212 T08  0.1-  0.7+
181210 T05  0.7+  0.4+    181211 L29  0.7+  0.2+    181212 T08  0.7-  0.3-
181210 T05  0.5-  1.7+    181211 K63  0.1-  0.3+    181212 T08  1.1+  0.4+
181210 L01  0.3-  0.1-    181211 K63  0.6-  0.2+
181210 L01  0.2-  0.0     181211 K63  0.3+  1.3-

Ephemeris:
2018 XZ2                 a,e,i = 2.71, 0.63, 21                  q = 1.0123
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 11 12    03 52 34.4 -25 45 58   0.3766  1.2853   135.3    32.8    21.3
...
2018 11 27    03 34 40.4 -22 52 12   0.2523  1.1795   135.3    36.1    20.3
...
2018 12 05    03 18 22.2 -17 15 36   0.1925  1.1303   135.2    37.9    19.7
...
2018 12 11    03 01 36.8 -09 09 12   0.1524  1.0978   135.0    39.4    19.2
2018 12 12    02 58 18.8 -07 18 36   0.1464  1.0928   134.9    39.7    19.1
2018 12 13    02 54 50.0 -05 17 30   0.1405  1.0879   134.7    40.0    19.0
...
2018 12 19    02 29 02.4 +11 11 14   0.1117  1.0615   131.7    43.8    18.6
...
2018 12 27    01 30 11.5 +43 15 12   0.1004  1.0343   118.0    57.1    18.6
...
2019 01 11    20 21 38.4 +73 13 24   0.1629  1.0123    95.6    75.2    20.2

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-X103



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