[Iaude] MPEC A14: 2018 YU2 [a=1.08,e=0.15,i=2.7,H=26.4]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Wed Jan 2 06:33:17 EST 2019


M.P.E.C. 2019-A14                                Issued 2019 Jan. 2, 11:29 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 YU2
 
Observations:
     K18Y02U  C2018 12 17.58229 07 25 17.598+31 05 05.28         22.0 wUEA014F51
     K18Y02U  C2018 12 17.59462 07 25 18.170+31 04 47.85         21.8 wUEA014F51
     K18Y02U  C2018 12 17.60691 07 25 18.807+31 04 29.87         21.8 wUEA014F51
     K18Y02U* C2018 12 31.39382 07 57 01.38 +19 58 59.6          20.0 GVEA014G96
     K18Y02U  C2018 12 31.39892 07 57 02.02 +19 58 28.0          19.6 GVEA014G96
     K18Y02U  C2018 12 31.40717 07 57 03.09 +19 57 36.6          19.6 GVEA014G96
     K18Y02U  C2018 12 31.41226 07 57 03.73 +19 57 04.7          20.4 GVEA014G96
     K18Y02U  C2018 12 31.54671 07 57 24.45 +19 42 34.1                VEA014G96
     K18Y02U  C2018 12 31.54851 07 57 24.90 +19 42 24.6          19.9 GVEA014G96
     K18Y02U  C2018 12 31.55017 07 57 25.13 +19 42 13.4          20.4 GVEA014G96
     K18Y02U KC2019 01 01.03497 07 59 29.03 +18 49 43.0          19.7 RoEA014K88
     K18Y02U KC2019 01 01.04055 07 59 29.95 +18 49 04.8          19.6 RoEA014K88
     K18Y02U KC2019 01 01.04613 07 59 30.86 +18 48 26.7          19.8 RoEA014K88
     K18Y02U KC2019 01 01.09215 07 59 40.55 +18 43 22.7          19.9 GVEA014204
     K18Y02U KC2019 01 01.09921 07 59 41.66 +18 42 33.7                VEA014204
     K18Y02U KC2019 01 01.10628 07 59 42.85 +18 41 45.0                VEA014204
     K18Y02U KC2019 01 01.99021 08 03 37.42 +16 55 22.6          19.5 RtEA014B49
     K18Y02U KC2019 01 01.99262 08 03 37.83 +16 55 04.3          19.6 RtEA014B49
     K18Y02U KC2019 01 01.99489 08 03 38.23 +16 54 46.7          19.6 RtEA014B49
     K18Y02U IC2019 01 02.03187108 03 41.72 +16 49 46.0          19.7 GVEA014L01
     K18Y02U KC2019 01 02.05303408 03 45.50 +16 46 58.9          19.9 GVEA014L01
     K18Y02U KC2019 01 02.05607208 03 46.05 +16 46 35.0          19.8 GVEA014L01
     K18Y02U KC2019 01 02.09270408 03 56.71 +16 41 20.9          19.5 GVEA014J95
     K18Y02U KC2019 01 02.09624408 03 57.36 +16 40 52.9          19.6 GVEA014J95
     K18Y02U KC2019 01 02.10031808 03 58.19 +16 40 20.6          19.6 GVEA014J95
 
Observer details:
204 Schiaparelli Observatory.  Observer L. Buzzi.  0.84-m f/3.5 reflector +
    CCD.
B49 Paus Observatory, Sabadell.  Observer J. Camarasa.  0.30-m f/4 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.
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.
K88 GINOP-KHK, Piszkesteto.  Observer K. Sarneczky.  1.02-m
    Ritchey-Chretien + CCD.
L01 Visnjan Observatory, Tican.  Observers K. Korlevic, R. Jenko, G. Kervina,
    P. Kukic, A. Radica, F. Valentine.  Measurer K. Korlevic.  1.0-m f/2.9
    reflector + CCD.
 
Orbital elements:
2018 YU2                                                 Earth MOID = 0.0117 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M  43.99179              (2000.0)            P               Q
n   0.87460580     Peri.  255.34522     -0.99370605     -0.10149167
a   1.0829153      Node   278.81313     +0.11200072     -0.90784845
e   0.1517441      Incl.    2.74992     -0.00203229     -0.40682999
P   1.13           H   26.4           G   0.15           U   6
Residuals in seconds of arc
181217 F51  0.0   0.2-    181231 G96  0.5-  0.1-    190101 B49  0.2+  0.2-
181217 F51  0.2-  0.1+    190101 K88  0.4-  1.0+    190102 L01  0.0   0.4+
181217 F51  0.2+  0.1+    190101 K88  0.1-  0.7+    190102 L01  0.2-  0.0
181231 G96  0.2+  0.1-    190101 K88  0.0   0.5+    190102 L01  0.2-  0.2+
181231 G96  0.0   0.2-    190101 204  0.3+  0.2-    190102 J95  0.0   0.2-
181231 G96  0.0   0.4-    190101 204  0.4-  0.4-    190102 J95  0.4-  0.0
181231 G96  0.3-  0.5-    190101 204  0.1-  0.1-    190102 J95  0.3+  0.1+
181231 G96 (1.0-  2.4-)   190101 B49  0.5+  0.0
181231 G96  0.6+  0.0     190101 B49  0.3+  0.1+

Ephemeris:
2018 YU2                 a,e,i = 1.08, 0.15, 3                   q = 0.9186
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 12 03    07 03 54.5 +33 46 35   0.1217  1.0882   145.4    31.0    23.3
...
2018 12 18    07 26 01.5 +30 55 59   0.07195 1.0499   155.6    22.8    21.9
...
2018 12 26    07 41 16.3 +26 27 24   0.04886 1.0297   160.7    18.4    20.9
...
2019 01 01    07 59 23.3 +18 55 50   0.03312 1.0148   161.8    17.6    20.0
2019 01 02    08 03 34.3 +16 56 16   0.03067 1.0124   161.2    18.2    19.8
2019 01 03    08 08 17.0 +14 36 18   0.02829 1.0100   160.2    19.2    19.7
...
2019 01 09    08 57 43.1 -12 15 00   0.01662 0.9958   137.8    41.5    19.1
...
2019 01 17    13 48 33.5 -65 25 43   0.01909 0.9778    71.6   107.4    21.8
...
2019 02 01    18 16 55.9 -51 55 39   0.05396 0.9490    46.6   131.0    25.8

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-A14



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