• Processing (Info)

    • MPEC 2018-X20 : 2018 WO2

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    M.P.E.C. 2018-X20                                Issued 2018 Dec. 2, 21:06 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@CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                   2018 WO2

Observations:
     K18W02O* C2018 11 29.33220 00 06 58.70 +18 29 57.0          19.2 oVEX020T05
     K18W02O  C2018 11 29.34236 00 07 05.32 +18 31 35.7          19.5 oVEX020T05
     K18W02O  C2018 11 29.35228 00 07 11.83 +18 33 11.3          19.5 oVEX020T05
     K18W02O  C2018 11 29.36183 00 07 18.17 +18 34 43.3          19.2 oVEX020T05
     K18W02O KC2018 11 29.75307500 11 49.48 +19 36 54.2          19.8 GVEX020L01
     K18W02O KC2018 11 29.75376700 11 49.93 +19 37 00.9          20.0 GVEX020L01
     K18W02O KC2018 11 29.75475800 11 50.60 +19 37 10.3          19.9 GVEX020L01
     K18W02O KC2018 11 29.75584500 11 51.30 +19 37 20.8          20.0 GVEX020L01
     K18W02O KC2018 11 29.75634200 11 51.62 +19 37 25.6          19.7 GVEX020L01
     K18W02O KC2018 11 29.91281 00 13 35.12 +20 01 58.6          19.8  VEX020104
     K18W02O KC2018 11 29.91680 00 13 37.75 +20 02 36.6                VEX020104
     K18W02O KC2018 11 29.92607 00 13 43.90 +20 04 01.8          19.7  VEX020104
     K18W02O KC2018 11 30.73958 00 23 00.70 +22 08 03.4          19.2 RoEX020K88
     K18W02O KC2018 11 30.74946 00 23 07.22 +22 09 31.0          18.8 RoEX020K88
     K18W02O KC2018 12 01.73123800 34 10.50 +24 29 44.2          19.3 GVEX020C95
     K18W02O KC2018 12 01.75832100 34 27.96 +24 33 29.3          19.7 GVEX020C95
     K18W02O KC2018 12 01.78543900 34 45.40 +24 37 15.1          19.8 GVEX020C95
     K18W02O KC2018 12 01.79241600 34 49.87 +24 38 08.8          19.3  UEX020B04
     K18W02O KC2018 12 01.80533200 34 58.18 +24 39 54.8          19.8  UEX020B04
     K18W02O KC2018 12 01.81872900 35 06.85 +24 41 44.6          19.4  UEX020B04

Observer details:
104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri.  Measurers
    P. Bacci, L. Tesi, G. Fagioli.  0.60-m reflector + CCD.
B04 OAVdA, Saint-Barthelemy.  Observer A. Carbognani.  0.81-m f/4.7 reflector
    + CCD.
C95 SATINO Remote Observatory, Haute Provence.  Observer J. Jahn.  0.60-m
    f/3.2 Newtonian reflector + CCD.
K88 GINOP-KHK, Piszkesteto.  Observers M. Krezinger, R. Koenyves-Toth.
    Measurer K. Sarneczky.  0.60-m Schmidt + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 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.

Orbital elements:
2018 WO2                                                 Earth MOID = 0.0119 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M  42.08780              (2000.0)            P               Q
n   0.23718896     Peri.  335.65548     +0.89423627     -0.43199291
a   2.5846778      Node    50.45779     +0.43153106     +0.76260012
e   0.6235538      Incl.    8.73775     +0.11883789     +0.48148020
P   4.16           H   22.5           G   0.15           U   6
Residuals in seconds of arc
181129 T05  0.4+  0.8-    181129 L01  0.2-  0.1+    181201 C95  1.3+  0.9-
181129 T05  0.3-  0.2-    181129 L01  0.3-  0.2+    181201 C95  0.1+  0.5-
181129 T05  0.5-  0.2-    181129 104  0.3+  0.7-    181201 C95  1.0-  1.4+
181129 T05  0.1+  0.1-    181129 104  0.1-  0.1+    181201 B04  0.3+  0.2-
181129 L01  0.1-  0.1-    181129 104  0.4-  0.9-    181201 B04  0.1-  0.3-
181129 L01  0.2-  0.0     181130 K88  1.0-  0.8+    181201 B04  0.1+  0.2-
181129 L01  0.0   0.0     181130 K88  0.3-  0.5+

Ephemeris:
2018 WO2                 a,e,i = 2.58, 0.62, 9                   q = 0.9730
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 11 02    20 14 13.1 -36 52 30   0.1978  0.9732    78.7    89.8    22.1
...
2018 11 17    21 56 37.1 -16 44 31   0.1226  0.9988    91.2    81.8    20.8
...
2018 11 25    23 17 53.5 +05 43 06   0.1075  1.0288   109.9    64.4    20.0
...
2018 12 01    00 25 55.8 +22 46 41   0.1179  1.0576   124.6    50.1    19.8
2018 12 02    00 37 07.7 +25 06 37   0.1213  1.0628   126.6    48.1    19.9
2018 12 03    00 48 09.6 +27 15 32   0.1252  1.0682   128.5    46.2    19.9
...
2018 12 09    01 49 00.1 +36 30 34   0.1559  1.1032   136.4    38.0    20.2
...
2018 12 17    02 51 59.3 +41 57 45   0.2105  1.1555   141.1    32.3    20.8
...
2019 01 01    04 05 26.8 +43 44 17   0.3391  1.2666   141.6    28.8    21.9

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-X20

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