[Iaude] MPEC A18: 2018 YQ2 [a=1.11,e=0.22,i=0.4,H=26.0]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Wed Jan 2 06:45:17 EST 2019


M.P.E.C. 2019-A18                                Issued 2019 Jan. 2, 11:41 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 YQ2
 
Observations:
     K18Y02Q* C2018 12 31.15770 04 37 51.31 +16 48 55.8          20.2 GVEA018G96
     K18Y02Q  C2018 12 31.16339 04 37 47.18 +16 48 36.5          21.3 GVEA018G96
     K18Y02Q  C2018 12 31.16908 04 37 43.16 +16 48 18.8          19.9 GVEA018G96
     K18Y02Q  C2018 12 31.17477 04 37 39.10 +16 48 00.7          20.5 GVEA018G96
     K18Y02Q  C2018 12 31.27634704 36 37.319+16 43 11.71               VEA018F51
     K18Y02Q  C2018 12 31.31522204 36 08.816+16 41 08.22         18.6 GVEA018F51
     K18Y02Q KC2018 12 31.34662 04 35 35.61 +16 38 22.5          21.2 RoEA018691
     K18Y02Q KC2018 12 31.36344 04 35 23.76 +16 37 21.7          20.3 RoEA018691
     K18Y02Q  C2018 12 31.40153 04 34 57.19 +16 34 59.0          19.9 GVEA018G96
     K18Y02Q  C2018 12 31.40194 04 34 56.82 +16 34 58.4          19.9 GVEA018G96
     K18Y02Q  C2018 12 31.40235 04 34 56.56 +16 34 57.5          20.2 GVEA018G96
     K18Y02Q pC2018 12 31.89797504 29 33.90 +16 05 22.9          20.0 GVEA018L01
     K18Y02Q KC2018 12 31.90100004 29 31.52 +16 05 10.7          19.8 GVEA018L01
     K18Y02Q IC2018 12 31.90250804 29 30.44 +16 05 04.9          20.1 GVEA018L01
     K18Y02Q |C2019 01 01.16609 04 26 19.84 +15 53 21.2          20.6 VuEA018807
     K18Y02Q |C2019 01 01.17054 04 26 16.24 +15 53 02.7          20.5 VuEA018807
     K18Y02Q |C2019 01 01.17501 04 26 12.59 +15 52 44.5          20.7 VuEA018807
     K18Y02Q KC2019 01 01.84923804 17 50.73 +15 00 18.4          20.3 GVEA018J95
     K18Y02Q KC2019 01 01.85827704 17 42.85 +14 59 37.9          20.0 GVEA018J95
     K18Y02Q KC2019 01 01.97247 04 15 59.46 +14 51 22.4          19.8  VEA018104
     K18Y02Q KC2019 01 01.97396 04 15 58.18 +14 51 15.7          19.5  VEA018104
     K18Y02Q KC2019 01 01.97695 04 15 55.56 +14 51 00.8          20.0  VEA018104
     K18Y02Q KC2019 01 01.98144 04 15 51.68 +14 50 39.0          19.9  VEA018104
 
Observer details:
104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri.  Measurers
    P. Bacci, L. Tesi, G. Fagioli.  0.60-m reflector + CCD.
691 Steward Observatory, Kitt Peak-Spacewatch.  Observer T. H. Bressi.  0.9-m
    f/3 reflector + CCD.
807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes.
    0.61-m f/6.5 astrograph + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe,
    E. Magnier, A. Schultz, M. Willman.  Measurers S. Chastel, M. Huber,
    Y. Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
G96 Mt. Lemmon 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.  1.5-m reflector + 10K CCD.
J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3
    Schmidt-Cassegrain + CCD.
L01 Visnjan Observatory, Tican.  Observers K. Korlevic, V. Perovic, P. Kukic,
    M. Nikic, A. Radica.  Measurer K. Korlevic.  1.0-m f/2.9 reflector + CCD.
 
Orbital elements:
2018 YQ2                                                 Earth MOID = 0.0016 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M  42.31930              (2000.0)            P               Q
n   0.84745441     Peri.  293.38833     -0.99987249     -0.01483278
a   1.1059237      Node   245.76222     +0.01596326     -0.91840255
e   0.2224672      Incl.    0.37174     +0.00043045     -0.39536913
P   1.16           H   26.0           G   0.15           U   7
Residuals in seconds of arc
181231 G96  1.3+  1.8+    181231 G96  0.8+  0.5-    190101 807  0.2+  0.3-
181231 G96  0.1-  0.1+    181231 G96  0.5-  0.4+    190101 J95  0.4+  0.2+
181231 G96  0.2+  0.1+    181231 G96  0.2-  1.0+    190101 J95  0.1-  0.7-
181231 G96  0.1+  0.2-    181231 L01  0.3+  1.2+    190101 104  0.5-  0.5+
181231 F51  0.5+  0.3-    181231 L01  0.4-  0.4+    190101 104  0.0   0.9+
181231 F51  0.2-  0.1-    181231 L01  0.8+  0.3+    190101 104  0.1+  0.3+
181231 691  0.2-  0.5-    190101 807  0.3+  0.3+    190101 104  1.0+  0.0
181231 691  0.4+  0.4-    190101 807  0.5+  0.2-

Ephemeris:
2018 YQ2                 a,e,i = 1.11, 0.22, 0                   q = 0.8599
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 12 03    06 08 23.5 +23 09 33   0.1428  1.1200   158.6    18.8    23.0
...
2018 12 18    05 47 59.2 +21 52 06   0.08124 1.0652   177.9     2.0    20.9
...
2018 12 26    05 17 21.8 +19 54 39   0.05351 1.0354   165.7    13.5    20.5
...
2019 01 01    04 28 24.9 +16 01 04   0.03521 1.0132   147.5    31.5    20.1
2019 01 02    04 15 46.0 +14 51 41   0.03248 1.0095   143.2    35.7    20.0
2019 01 03    04 01 07.8 +13 27 09   0.02987 1.0058   138.4    40.5    20.0
...
2019 01 09    01 31 55.6 -03 37 38   0.01948 0.9841    91.7    87.2    20.5
...
2019 01 17    21 35 56.1 -23 51 20   0.02993 0.9564    23.9   155.4    27.9
...
2019 02 01    19 45 30.2 -25 13 42   0.07887 0.9107    18.2   160.2    31.3

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-A18



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