[Iaude] MPEC Y80: 2018 YF2 [a=0.88,e=0.31,i=48.6,H=21.0]

Thu Dec 27 13:47:16 EST 2018

M.P.E.C. 2018-Y80                                Issued 2018 Dec. 27, 18:44 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 YF2
 
Observations:
     K18Y02F* C2018 12 24.25686 00 25 02.837+33 39 51.19         20.2 iUEY080F51
     K18Y02F  C2018 12 24.26753 00 25 05.371+33 38 26.86         20.5 iUEY080F51
     K18Y02F  C2018 12 24.27816 00 25 07.897+33 37 03.33         19.9 iUEY080F51
     K18Y02F KC2018 12 24.73778000 27 01.69 +32 37 11.1          21.0 GVEY080L01
     K18Y02F KC2018 12 24.73886500 27 01.95 +32 37 02.7          20.9 GVEY080L01
     K18Y02F KC2018 12 24.74101600 27 02.41 +32 36 46.0          21.1 GVEY080L01
     K18Y02F KC2018 12 24.74187400 27 02.63 +32 36 39.2          21.0 GVEY080L01
     K18Y02F KC2018 12 24.75329 00 27 05.30 +32 35 09.3          21.2 GVEY080595
     K18Y02F KC2018 12 24.78148 00 27 11.91 +32 31 31.0          21.2 GVEY080595
     K18Y02F KC2018 12 24.81690 00 27 20.20 +32 26 55.2          20.8 GVEY080595
     K18Y02F KC2018 12 25.14010 00 28 37.92 +31 45 21.2          20.7 RoEY080291
     K18Y02F KC2018 12 25.14217 00 28 38.39 +31 45 05.1          20.7 RoEY080291
     K18Y02F KC2018 12 25.14425 00 28 38.85 +31 44 49.1          20.5 RoEY080291
     K18Y02F KC2018 12 26.07101800 32 15.24 +29 46 35.1          20.8 VuEY080H21
     K18Y02F KC2018 12 26.07673000 32 16.50 +29 45 51.6          20.9 VuEY080H21
     K18Y02F KC2018 12 26.08614400 32 18.58 +29 44 39.9          21.1 VuEY080H21
     K18Y02F KC2018 12 26.77914000 34 54.81 +28 17 42.2          20.8 GVEY080C95
     K18Y02F KC2018 12 26.81315600 35 02.05 +28 13 27.6          20.8 GVEY080C95
     K18Y02F KC2018 12 26.83362 00 35 06.28 +28 10 53.8                VEY080104
     K18Y02F KC2018 12 26.83847 00 35 07.29 +28 10 17.9          20.4  VEY080104
     K18Y02F KC2018 12 26.85210 00 35 10.25 +28 08 35.9          20.5  VEY080104
 
Observer details:
104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri.  Measurers
    P. Bacci, L. Tesi, G. Fagioli.  0.60-m reflector + CCD.
291 LPL/Spacewatch II.  Observer J. V. Scotti.  1.8-m f/2.7 reflector + CCD.
595 Farra dIsonzo.  Observers E. Pettarin, F. Piani.  Measurer
    E. Pettarin.  0.61-m f/4.5 reflector + CCD.
C95 SATINO Remote Observatory, Haute Provence.  Observer J. Jahn.  0.60-m
    f/3.2 Newtonian reflector + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz,
    M. Willman.  Measurers K. Chambers, S. Chastel, L. Denneau, J. Fairlamb,
    H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo,
    R. Wainscoat, R. Weryk.  1.8-m 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.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.
 
Orbital elements:
2018 YF2                                                 Earth MOID = 0.0889 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M   6.69276              (2000.0)            P               Q
n   1.20330325     Peri.  328.29341     -0.42177369     +0.51405109
a   0.8754258      Node   264.91378     -0.59242815     -0.77984125
e   0.3148031      Incl.   48.57754     -0.68639336     +0.35721017
P   0.82           H   21.0           G   0.15           U   6
Residuals in seconds of arc
181224 F51  0.1-  0.3+    181224 595  0.2-  0.8-    181226 H21  0.0   0.2+
181224 F51  0.0   0.2-    181224 595  0.1+  0.2+    181226 H21  0.1+  0.2+
181224 F51  0.0   0.1-    181224 595  0.1+  0.3+    181226 C95  0.1+  0.3-
181224 L01  0.1+  0.1+    181225 291  0.2+  0.0     181226 C95  0.2+  0.3-
181224 L01  0.1+  0.1+    181225 291  0.2+  0.1-    181226 104  0.1-  0.3-
181224 L01  0.4-  0.1+    181225 291  0.0   0.0     181226 104  0.5-  0.2+
181224 L01  0.1-  0.0     181226 H21  0.1-  0.2+    181226 104  0.1+  0.4+

Ephemeris:
2018 YF2                 a,e,i = 0.88, 0.31, 49                  q = 0.5998
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 11 27    19 12 11.0 +76 44 26   0.4264  1.1504   101.5    57.2    21.5
...
2018 12 12    23 10 58.1 +59 59 06   0.3315  1.1381   109.3    54.7    20.9
...
2018 12 20    00 05 19.6 +43 05 36   0.3176  1.1251   108.4    56.1    20.8
...
2018 12 26    00 31 59.5 +29 55 45   0.3291  1.1124   104.5    58.9    20.9
2018 12 27    00 35 43.6 +27 50 30   0.3328  1.1101   103.6    59.4    21.0
2018 12 28    00 39 18.2 +25 48 04   0.3369  1.1076   102.8    60.0    21.0
...
2019 01 03    00 58 04.2 +14 43 46   0.3697  1.0916    97.0    63.4    21.3
...
2019 01 11    01 18 02.1 +03 16 12   0.4289  1.0664    89.1    67.2    21.7
...
2019 01 26    01 46 17.2 -10 34 44   0.5568  1.0075    76.1    71.5    22.2

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-Y80