[Iaude] MPEC X82: 2018 XF2 [a=2.51,e=0.62,i=1.0,H=26.3]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Wed Dec 12 07:05:17 EST 2018


M.P.E.C. 2018-X82                                Issued 2018 Dec. 12, 12:01 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 XF2
 
Observations:
     K18X02F* C2018 12 10.26869 04 06 02.26 +19 04 35.9          19.3 GVEX082703
     K18X02F  C2018 12 10.27394 04 06 15.38 +19 05 02.3          18.8 GVEX082703
     K18X02F  C2018 12 10.27920 04 06 28.55 +19 05 29.8          19.1 GVEX082703
     K18X02F  C2018 12 10.28445 04 06 41.65 +19 05 56.4          19.3 GVEX082703
     K18X02F  C2018 12 10.30724504 07 37.32 +19 07 37.8          18.9 GVEX082H01
     K18X02F  C2018 12 10.31549704 07 57.83 +19 08 17.5          19.1 GVEX082H01
     K18X02F  C2018 12 10.32328804 08 17.17 +19 08 54.6          18.8 GVEX082H01
     K18X02F  C2018 12 10.33045504 08 34.95 +19 09 28.3          18.8 GVEX082H01
     K18X02F  C2018 12 10.39192 04 11 07.47 +19 14 16.4          18.7 GVEX082I52
     K18X02F  C2018 12 10.39211 04 11 07.91 +19 14 17.0          18.8 GVEX082I52
     K18X02F  C2018 12 10.39229 04 11 08.36 +19 14 18.0          18.8 GVEX082I52
     K18X02F  C2018 12 10.39248 04 11 08.86 +19 14 18.3          18.7 GVEX082I52
     K18X02F KC2018 12 10.82501 04 28 51.62 +19 42 19.8          18.8 GVEX082587
     K18X02F KC2018 12 10.82727 04 28 56.59 +19 42 28.2                VEX082587
     K18X02F KC2018 12 10.82836 04 28 58.52 +19 42 33.8          18.1 RVEX082K51
     K18X02F KC2018 12 10.82848 04 28 59.19 +19 42 32.8                VEX082587
     K18X02F KC2018 12 10.82968 04 29 01.39 +19 42 38.8          18.2 RVEX082K51
     K18X02F KC2018 12 10.83099 04 29 04.32 +19 42 43.7          17.9 RVEX082K51
     K18X02F KC2018 12 10.84331 04 29 31.65 +19 43 38.5          18.6 RqEX082160
     K18X02F KC2018 12 10.84550 04 29 36.42 +19 43 46.3          18.7 RqEX082160
     K18X02F KC2018 12 10.84661 04 29 38.74 +19 43 49.0          19.0  VEX082104
     K18X02F KC2018 12 10.84773 04 29 41.16 +19 43 53.6          18.4 RqEX082160
     K18X02F KC2018 12 10.84942 04 29 44.80 +19 43 58.6          19.0  VEX082104
     K18X02F KC2018 12 10.85225 04 29 50.90 +19 44 08.7          19.2  VEX082104
     K18X02F KC2018 12 10.94771 04 33 14.08 +19 49 14.9          17.9 RVEX082K38
     K18X02F KC2018 12 10.95730 04 33 34.16 +19 49 42.9          18.4 RVEX082K38
     K18X02F KC2018 12 10.95929704 33 37.06 +19 49 51.4          19.2 GVEX082L01
     K18X02F KC2018 12 10.96226704 33 43.22 +19 50 00.2          19.1 GVEX082L01
     K18X02F IC2018 12 10.96464204 33 48.19 +19 50 07.2          19.0 GVEX082L01
     K18X02F KC2018 12 10.96513504 33 49.22 +19 50 08.5          19.1 GVEX082L01
     K18X02F KC2018 12 10.96530 04 33 50.88 +19 50 08.1          17.8 RVEX082K38
     K18X02F KC2018 12 10.97209 04 34 05.00 +19 50 27.6          17.9 RVEX082K38
     K18X02F KC2018 12 10.98101 04 34 23.58 +19 50 53.1          18.0 RVEX082K38
     K18X02F  C2018 12 11.20245 04 42 20.89 +20 01 51.6          20.3 GVEX082I52
     K18X02F  C2018 12 11.20263 04 42 21.26 +20 01 52.2          19.4 GVEX082I52
     K18X02F  C2018 12 11.20281 04 42 21.64 +20 01 52.8          19.0 GVEX082I52
     K18X02F  C2018 12 11.20300 04 42 22.10 +20 01 53.1          19.7 GVEX082I52
     K18X02F  C2018 12 11.20400 04 42 23.86 +20 01 55.3          19.5 GVEX082703
     K18X02F  C2018 12 11.20724 04 42 30.11 +20 02 05.7          19.9 GVEX082703
     K18X02F  C2018 12 11.20886 04 42 33.03 +20 02 09.8                VEX082703
     K18X02F KC2018 12 11.28161804 44 45.93 +20 04 29.6          19.4 VuEX082H21
     K18X02F KC2018 12 11.28532504 44 52.99 +20 04 37.4          19.4 VuEX082H21
     K18X02F KC2018 12 11.29013504 45 02.13 +20 04 47.6          19.4 VuEX082H21
     K18X02F KC2018 12 11.81459 05 01 29.10 +20 19 10.5          19.8 GVEX082Z99
     K18X02F KC2018 12 11.81780 05 01 34.65 +20 19 15.7          19.6 GVEX082Z99
     K18X02F KC2018 12 11.82101 05 01 40.07 +20 19 20.8          19.6 GVEX082Z99
     K18X02F KC2018 12 11.89380 05 03 39.07 +20 21 57.0          18.5 RVEX082K63
     K18X02F KC2018 12 11.90058 05 03 49.92 +20 22 07.1          19.0 RVEX082K63
     K18X02F KC2018 12 11.90372 05 03 54.86 +20 22 11.1          18.1 RVEX082K63
     K18X02F KC2018 12 11.90685 05 03 59.87 +20 22 15.9          19.1 RVEX082K63
     K18X02F KC2018 12 11.96286 05 05 28.66 +20 23 19.9          19.1 GVEX082204
     K18X02F KC2018 12 11.96945 05 05 38.98 +20 23 27.6                VEX082204
     K18X02F KC2018 12 11.97604 05 05 49.27 +20 23 35.1                VEX082204
     K18X02F  C2018 12 12.15478 05 10 48.86 +20 27 11.6          18.8 GVEX082I52
     K18X02F  C2018 12 12.15496 05 10 49.13 +20 27 11.3          18.6 GVEX082I52
     K18X02F  C2018 12 12.15515 05 10 49.41 +20 27 11.8          19.1 GVEX082I52
     K18X02F  C2018 12 12.15533 05 10 49.71 +20 27 11.3          19.7 GVEX082I52
 
Observer details:
104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri.  Measurers
    P. Bacci, L. Tesi, G. Fagioli.  0.60-m reflector + CCD.
160 Castelmartini.  Observers M. Jaeger, E. Prosperi, S. Prosperi,
    W. Vollmann.  Measurer E. Prosperi.  0.35-m f/10 Schmidt-Cassegrain + CCD.
204 Schiaparelli Observatory.  Observer L. Buzzi.  0.84-m f/3.5 reflector +
    CCD.
587 Sormano.  Observers M. Calcagno, A. Fumagalli, P. Sicoli, A. Testa.
    Measurer P. Sicoli.  0.5-m f/6.8 reflector + CCD.
703 Catalina Sky Survey.  Observer B. M. Africano.  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.  0.68-m Schmidt + 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.
K38 M57 Observatory, Saltrio.  Observer G. Baj.  0.3-m f/5.5 Ritchey-Chretien
    + CCD.
K51 Osservatorio del Celado, Castello Tesino.  Observers G. Favero,
    R. Furgoni.  Measurer R. Furgoni.  0.80-m f/4 reflector + CCD.
K63 G. Pascoli Observatory, Castelvecchio Pascoli.  Observer R. Bacci.
    0.41-m f/3.2 Newtonian reflector + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.
Z99 Clixby Observatory, Cleethorpes.  Observer A. Mickleburgh.  0.36-m f/8
    Schmidt-Cassegrain + CCD.
 
Orbital elements:
2018 XF2                                                 Earth MOID = 0.0015 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M  40.18753              (2000.0)            P               Q
n   0.24850526     Peri.  151.76054     +0.68868132     -0.72488085
a   2.5056034      Node   254.70850     +0.66201186     +0.63780494
e   0.6189438      Incl.    0.96843     +0.29573357     +0.26029330
P   3.97           H   26.3           G   0.15           U   7
Residuals in seconds of arc
181210 703  0.4-  0.1+    181210 160  1.4+  0.3+    181211 703  1.1-  1.2+
181210 703  0.5-  0.4-    181210 104  0.6+  0.2+    181211 703 (4.1-  1.0+)
181210 703  0.1-  0.4+    181210 160  0.2+  0.4-    181211 H21  0.2-  0.1+
181210 703  0.0   0.5+    181210 104  0.3+  0.2-    181211 H21  0.1-  0.1+
181210 H01  0.2+  0.1-    181210 104  0.0   0.2-    181211 H21  0.1-  0.2+
181210 H01  0.2+  0.1-    181210 K38  0.2-  0.4+    181211 Z99  0.6-  0.7+
181210 H01  0.1+  0.0     181210 K38  0.1+  0.6-    181211 Z99  1.5+  0.5+
181210 H01  0.2+  0.0     181210 L01  0.4+  0.1-    181211 Z99  2.0+  0.2+
181210 I52  0.2+  0.0     181210 L01  0.2-  0.0     181211 K63  0.5+  0.9-
181210 I52  0.2-  0.2-    181210 L01  0.1+  0.0     181211 K63  0.5+  0.4-
181210 I52  0.1-  0.0     181210 L01  0.1+  0.1-    181211 K63  0.5-  0.8-
181210 I52  0.3+  0.5-    181210 K38  0.4+  0.7+    181211 K63  0.2-  0.3-
181210 587  1.1-  0.8-    181210 K38  0.1+  0.3+    181211 204  0.2-  0.2-
181210 587  0.8-  0.7-    181210 K38  0.6+  0.1-    181211 204  0.1-  0.2-
181210 K51  0.3+  0.4-    181211 I52  0.3-  0.2+    181211 204  0.2-  0.2-
181210 587  1.5-  0.6-    181211 I52  0.0   0.3+    181212 I52  0.3-  0.5+
181210 K51  0.1+  0.2-    181211 I52  0.4+  0.4+    181212 I52  0.3-  0.0
181210 K51  1.1+  0.1-    181211 I52  1.7+  0.2+    181212 I52  0.4-  0.3+
181210 160  1.1+  0.4+    181211 703  0.7-  0.5-    181212 I52  0.0   0.5-

Ephemeris:
2018 XF2                 a,e,i = 2.51, 0.62, 1                   q = 0.9548
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 11 12    20 13 39.3 -16 19 36   0.1495  0.9562    72.7    98.7    25.6
...
2018 11 27    21 02 27.5 -13 15 08   0.06581 0.9660    69.8   106.5    24.3
...
2018 12 05    23 16 56.3 -01 56 19   0.02591 0.9889    96.8    81.7    21.2
...
2018 12 11    04 35 06.2 +19 54 01   0.02890 1.0133   171.2     8.5    19.2
2018 12 12    05 06 28.1 +20 25 54   0.03335 1.0179   176.7     3.2    19.3
2018 12 13    05 30 15.8 +20 36 07   0.03824 1.0227   176.4     3.4    19.6
...
2018 12 19    06 37 14.5 +20 01 22   0.07177 1.0541   167.6    11.6    21.4
...
2018 12 27    07 03 43.5 +19 25 57   0.1213  1.1028   169.4     9.4    22.6
...
2019 01 11    07 17 05.7 +19 16 06   0.2268  1.2099   176.4     2.9    23.8

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-X82



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