[Iaude] MPEC X94: 2018 XQ2 [a=0.86,e=0.18,i=0.1,H=28.2]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Wed Dec 12 11:09:17 EST 2018


M.P.E.C. 2018-X94                                Issued 2018 Dec. 12, 16:06 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 XQ2
 
Observations:
     K18X02Q* C2018 12 10.24230 04 34 36.17 +20 17 07.5          20.6 GVEX094G96
     K18X02Q  C2018 12 10.24792 04 34 29.11 +20 16 57.0          20.2 GVEX094G96
     K18X02Q  C2018 12 10.25918 04 34 15.04 +20 16 35.9          20.6 GVEX094G96
     K18X02Q  C2018 12 10.28831604 33 37.12 +20 15 26.7          20.0 GVEX094H01
     K18X02Q  C2018 12 10.29366604 33 30.42 +20 15 15.3          20.5 GVEX094H01
     K18X02Q  C2018 12 10.30909104 33 11.13 +20 14 41.5          20.5 GVEX094H01
     K18X02Q  C2018 12 10.31918804 32 58.54 +20 14 18.8          20.2 GVEX094H01
     K18X02Q  C2018 12 10.39339 04 31 28.10 +20 11 32.9          20.7 GVEX094I52
     K18X02Q  C2018 12 10.39485 04 31 26.36 +20 11 29.2          20.6 GVEX094I52
     K18X02Q  C2018 12 10.39751 04 31 23.11 +20 11 22.5          20.3 GVEX094I52
     K18X02Q  C2018 12 10.39897 04 31 21.37 +20 11 18.9          21.4 GVEX094I52
     K18X02Q KC2018 12 10.85241804 23 26.50 +19 54 08.3          21.0 GVEX094L01
     K18X02Q IC2018 12 10.85396504 23 24.64 +19 54 05.6          21.0 GVEX094L01
     K18X02Q KC2018 12 10.85756304 23 20.40 +19 53 58.2          21.0 GVEX094L01
     K18X02Q KC2018 12 10.85846704 23 19.31 +19 53 56.3          20.9 GVEX094L01
     K18X02Q KC2018 12 11.20985304 16 55.89 +19 41 20.4          20.7 VuEX094H21
     K18X02Q KC2018 12 11.21617604 16 48.45 +19 41 05.3          20.7 VuEX094H21
     K18X02Q KC2018 12 11.22363704 16 39.68 +19 40 47.9          20.7 VuEX094H21
     K18X02Q  C2018 12 12.12814 04 01 33.71 +19 04 45.3          20.9 GVEX094I52
     K18X02Q  C2018 12 12.13105 04 01 30.57 +19 04 39.7          21.0 GVEX094I52
     K18X02Q  C2018 12 12.13396 04 01 27.44 +19 04 33.6          20.5 GVEX094I52
     K18X02Q  C2018 12 12.13687 04 01 24.26 +19 04 27.2          20.6 GVEX094I52
 
Observer details:
G96 Mt. Lemmon Survey.  Observer D. C. Fuls.  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.
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.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.
 
Orbital elements:
2018 XQ2                                                 Earth MOID = 0.0000 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M 348.18249              (2000.0)            P               Q
n   1.24289139     Peri.  148.11431     -0.17729755     +0.98415650
a   0.8567365      Node   111.67327     -0.90322888     -0.16221396
e   0.1783162      Incl.    0.07702     -0.39082371     -0.07157244
P   0.79           H   28.2           G   0.15           U   7
Residuals in seconds of arc
181210 G96  0.9-  0.3-    181210 I52  0.2+  0.1-    181211 H21  0.2-  0.1+
181210 G96  0.9-  0.2-    181210 I52  0.2-  0.0     181211 H21  0.2-  0.4+
181210 G96  0.3+  0.5+    181210 I52  0.2+  0.1+    181212 I52  0.1+  0.2-
181210 H01  0.4+  0.1+    181210 L01  0.4+  0.5-    181212 I52  0.1+  0.2+
181210 H01  0.4+  0.2+    181210 L01  0.0   0.1-    181212 I52  0.2+  0.2+
181210 H01  0.3+  0.1+    181210 L01  0.2+  0.3-    181212 I52  0.3-  0.2-
181210 H01  0.3+  0.1+    181210 L01  0.1-  0.4-
181210 I52  0.3-  0.1-    181211 H21  0.2-  0.3+

Ephemeris:
2018 XQ2                 a,e,i = 0.86, 0.18, 0                   q = 0.7040
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 11 12    09 55 34.3 +11 22 30   0.05260 0.9842    82.2    94.8    25.2
...
2018 11 27    08 24 51.0 +17 31 35   0.03078 1.0026   120.1    58.4    22.7
...
2018 12 05    06 20 11.5 +21 26 47   0.02391 1.0077   157.7    21.7    21.2
...
2018 12 11    04 20 40.8 +19 51 18   0.02511 1.0093   168.0    11.7    20.9
2018 12 12    04 03 27.2 +19 11 48   0.02589 1.0094   162.9    16.7    21.2
2018 12 13    03 47 31.3 +18 29 40   0.02681 1.0094   158.1    21.4    21.4
...
2018 12 19    02 37 56.1 +14 26 01   0.03442 1.0085   134.9    43.8    22.6
...
2018 12 27    01 51 37.1 +10 57 11   0.04730 1.0043   114.9    62.6    23.8
...
2019 01 11    01 19 07.3 +08 16 02   0.07222 0.9875    91.2    84.6    25.4

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-X94



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