[Iaude] MPEC X97: 2018 XT2 [a=1.66,e=0.36,i=7.2,H=22.1]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Wed Dec 12 11:23:17 EST 2018


M.P.E.C. 2018-X97                                Issued 2018 Dec. 12, 16:19 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 XT2
 
Observations:
     K18X02T* C2018 12 10.35235 05 52 23.74 +23 24 03.4          19.9 GVEX097G96
     K18X02T  C2018 12 10.35768 05 52 23.69 +23 24 13.4          19.9 GVEX097G96
     K18X02T  C2018 12 10.36833 05 52 23.60 +23 24 33.0          19.9 GVEX097G96
     K18X02T  C2018 12 10.45371005 52 22.82 +23 27 06.9          19.4 GVEX097H01
     K18X02T  C2018 12 10.45762105 52 22.80 +23 27 14.0          19.6 GVEX097H01
     K18X02T  C2018 12 10.46757805 52 22.76 +23 27 32.0          19.4 GVEX097H01
     K18X02T  C2018 12 10.47565105 52 22.73 +23 27 46.5          19.5 GVEX097H01
     K18X02T  C2018 12 10.49963 05 52 22.70 +23 28 31.8          19.4 GVEX097I52
     K18X02T  C2018 12 10.50235 05 52 22.69 +23 28 36.2          19.8 GVEX097I52
     K18X02T  C2018 12 10.50389 05 52 22.68 +23 28 38.9          19.6 GVEX097I52
     K18X02T  C2018 12 10.50661 05 52 22.65 +23 28 43.5          19.8 GVEX097I52
     K18X02T KC2018 12 11.00716905 52 26.47 +23 44 26.0          20.1 GVEX097L01
     K18X02T KC2018 12 11.00911905 52 26.44 +23 44 29.9          19.8 GVEX097L01
     K18X02T KC2018 12 11.01106605 52 26.42 +23 44 33.7          20.0 GVEX097L01
     K18X02T KC2018 12 11.01261805 52 26.41 +23 44 36.5          20.0 GVEX097L01
     K18X02T KC2018 12 11.27538 05 52 27.83 +23 53 03.9          20.2 GUEX097H36
     K18X02T KC2018 12 11.29316 05 52 27.65 +23 53 38.1          19.6 GUEX097H36
     K18X02T KC2018 12 11.31094 05 52 27.48 +23 54 12.5          19.7 GUEX097H36
     K18X02T KC2018 12 12.00128305 52 29.80 +24 16 39.0          19.9 GVEX097C95
     K18X02T KC2018 12 12.01128705 52 29.68 +24 16 59.1          19.8 GVEX097C95
     K18X02T KC2018 12 12.33150 05 52 29.83 +24 27 40.1          19.3 GUEX097H36
     K18X02T  C2018 12 12.33414805 52 30.23 +24 27 49.0          19.5 GVEX097H01
     K18X02T KC2018 12 12.33740 05 52 29.78 +24 27 51.7          19.3 GUEX097H36
     K18X02T  C2018 12 12.33798905 52 30.18 +24 27 56.6          19.4 GVEX097H01
     K18X02T  C2018 12 12.35433405 52 29.97 +24 28 29.2          19.4 GVEX097H01
     K18X02T KC2018 12 12.35511 05 52 29.57 +24 28 27.2          19.6 GUEX097H36
     K18X02T  C2018 12 12.35846405 52 29.92 +24 28 37.5          19.4 GVEX097H01
 
Observer details:
C95 SATINO Remote Observatory, Haute Provence.  Observer J. Jahn.  0.60-m
    f/3.2 Newtonian reflector + CCD.
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.
H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + 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 XT2                                                 Earth MOID = 0.1284 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M  35.39568              (2000.0)            P               Q
n   0.46186703     Peri.   57.88546     -0.73480713     -0.66705955
a   1.6575173      Node    79.95874     +0.57267805     -0.70719509
e   0.3555718      Incl.    7.16646     +0.36345335     -0.23432171
P   2.13           H   22.1           G   0.15           U   8
Residuals in seconds of arc
181210 G96  0.2-  0.1-    181210 I52  0.1+  0.0     181212 C95  0.2+  0.3+
181210 G96  0.1-  0.1+    181210 I52  0.3-  0.3-    181212 C95  0.0   0.5+
181210 G96  0.0   0.1+    181211 L01  0.2+  0.3-    181212 H36  0.1-  0.1-
181210 H01  0.1-  0.1-    181211 L01  0.0   0.1-    181212 H01  0.0   0.1-
181210 H01  0.1-  0.1-    181211 L01  0.0   0.1+    181212 H36  0.1+  0.2-
181210 H01  0.0   0.0     181211 L01  0.0   0.1-    181212 H01  0.0   0.2-
181210 H01  0.1+  0.1-    181211 H36  0.1-  0.1-    181212 H01  0.1-  0.2-
181210 I52  0.2+  0.6+    181211 H36  0.1-  0.2-    181212 H36  0.1-  0.3+
181210 I52  0.1+  0.1+    181211 H36  0.1+  0.1+    181212 H01  0.0   0.1-

Ephemeris:
2018 XT2                 a,e,i = 1.66, 0.36, 7                   q = 1.0682
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 11 12    05 38 52.9 +15 14 28   0.4196  1.3509   143.6    25.7    22.0
...
2018 11 27    05 48 56.6 +18 11 23   0.3110  1.2780   156.5    17.9    21.0
...
2018 12 05    05 51 38.0 +20 55 58   0.2634  1.2411   164.3    12.4    20.4
...
2018 12 11    05 52 26.7 +23 44 25   0.2327  1.2148   170.3     7.8    19.9
2018 12 12    05 52 29.7 +24 16 47   0.2281  1.2106   171.3     7.1    19.8
2018 12 13    05 52 31.5 +24 50 28   0.2235  1.2063   172.2     6.3    19.7
...
2018 12 19    05 52 23.4 +28 41 00   0.1988  1.1819   174.5     4.6    19.4
...
2018 12 27    05 52 01.0 +35 06 13   0.1726  1.1521   166.6    11.4    19.3
...
2019 01 11    05 57 34.5 +50 15 34   0.1439  1.1064   146.6    29.3    19.4

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-X97



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