[Iaude] MPEC Y37: 2018 YK [a=2.70,e=0.50,i=12.3,H=18.3]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Wed Dec 19 07:37:16 EST 2018


M.P.E.C. 2018-Y37                                Issued 2018 Dec. 19, 12:33 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 YK
 
Observations:
     K18Y00K* C2018 12 16.57770 08 31 38.674+41 09 27.67         21.2 wUEY037F51
     K18Y00K  C2018 12 16.58947 08 31 37.874+41 09 32.79         21.4 wUEY037F51
     K18Y00K  C2018 12 16.60121 08 31 37.079+41 09 37.42         21.2 wUEY037F51
     K18Y00K  C2018 12 16.61296 08 31 36.309+41 09 42.29         21.4 wUEY037F51
     K18Y00K ^C2018 12 17.50836908 30 39.804+41 15 50.74         20.98GVEY037568
     K18Y00K ^C2018 12 17.50955408 30 39.723+41 15 51.24         20.95GVEY037568
     K18Y00K ^C2018 12 17.51074508 30 39.642+41 15 51.73         20.97GVEY037568
     K18Y00K KC2018 12 18.39022108 29 41.24 +41 21 44.2          20.6 VuEY037H21
     K18Y00K KC2018 12 18.39723408 29 40.74 +41 21 46.9          20.7 VuEY037H21
     K18Y00K KC2018 12 18.40515408 29 40.18 +41 21 50.1          20.8 VuEY037H21
     K18Y00K  C2018 12 19.34362 08 28 36.15 +41 28 01.1          20.0 GVEY037I52
     K18Y00K  C2018 12 19.34816 08 28 35.76 +41 28 01.3          20.3 GVEY037I52
     K18Y00K  C2018 12 19.35341 08 28 35.40 +41 28 04.7          20.8 GVEY037I52
     K18Y00K  C2018 12 19.35787 08 28 35.07 +41 28 05.6          20.5 GVEY037I52
 
Observer details:
568 Mauna Kea.  Observers R. Wainscoat, C. Wipper, A. Petric.  Measurers
    R. Weryk, R. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + 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.
I52 Steward Observatory, Mt. Lemmon Station.  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.  1.0-m reflector + CCD.
 
Orbital elements:
2018 YK
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M  63.91559              (2000.0)            P               Q
n   0.22215951     Peri.    6.54303     +0.97519703     -0.22008711
a   2.6999732      Node     6.31931     +0.19216457     +0.78917852
e   0.5041646      Incl.   12.32959     +0.10983412     +0.57337504
P   4.44           H   18.3           G   0.15           U   8
Residuals in seconds of arc
181216 F51  0.3+  0.2-    181217 568  0.0   0.2-    181219 I52  0.4+  0.8+
181216 F51  0.0   0.1+    181217 568  0.0   0.2-    181219 I52  0.3-  0.9-
181216 F51  0.2-  0.0     181218 H21  0.0   0.1+    181219 I52  0.0   0.4+
181216 F51  0.1-  0.1+    181218 H21  0.1-  0.1+    181219 I52  0.0   0.4-
181217 568  0.0   0.2-    181218 H21  0.1-  0.2+

Ephemeris:
2018 YK                  a,e,i = 2.70, 0.50, 12                  q = 1.3387
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 11 19    08 39 34.5 +37 48 49   1.2226  1.8444   112.6    29.6    21.4
...
2018 12 04    08 40 29.4 +39 35 47   1.1788  1.9353   126.6    24.1    21.2
...
2018 12 12    08 35 51.3 +40 36 28   1.1651  1.9841   134.6    20.7    21.1
...
2018 12 18    08 30 07.5 +41 19 07   1.1614  2.0208   140.6    18.0    21.1
2018 12 19    08 28 59.8 +41 25 45   1.1614  2.0269   141.6    17.5    21.1
2018 12 20    08 27 49.4 +41 32 12   1.1616  2.0330   142.6    17.1    21.1
...
2018 12 26    08 19 54.2 +42 06 31   1.1670  2.0696   148.4    14.4    21.0
...
2019 01 03    08 07 32.4 +42 36 59   1.1867  2.1184   154.8    11.4    21.0
...
2019 01 18    07 42 58.6 +42 34 34   1.2664  2.2091   157.9     9.6    21.2

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-Y37



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