[Iaude] MPEC Y40: 2018 YO [a=1.88,e=0.49,i=3.9,H=26.8]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Wed Dec 19 07:49:16 EST 2018


M.P.E.C. 2018-Y40                                Issued 2018 Dec. 19, 12:46 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 YO
 
Observations:
     K18Y00O* C2018 12 17.52071 09 00 20.859+48 10 37.60         21.1 wUEY040F51
     K18Y00O  C2018 12 17.53386 09 00 19.118+48 09 12.62         20.8 wUEY040F51
     K18Y00O  C2018 12 17.54703 09 00 17.373+48 07 47.18         21.1 wUEY040F51
     K18Y00O  C2018 12 17.56021 09 00 15.580+48 06 20.04         21.1 wUEY040F51
     K18Y00O KC2018 12 18.37967209 00 32.17 +46 42 56.1          20.8 VuEY040H21
     K18Y00O KC2018 12 18.38822309 00 31.27 +46 42 10.0          21.0 VuEY040H21
     K18Y00O KC2018 12 18.39890709 00 30.19 +46 41 11.8          20.5 VuEY040H21
     K18Y00O pC2018 12 18.97710209 00 50.52 +45 52 17.4          21.5 GVEY040L01
     K18Y00O pC2018 12 18.98654009 00 49.85 +45 51 37.6          21.4 GVEY040L01
     K18Y00O KC2018 12 18.99521009 00 49.23 +45 51 02.0          21.6 GVEY040L01
     K18Y00O  C2018 12 19.31340 09 00 55.34 +45 27 55.7          22.0 GVEY040I52
     K18Y00O  C2018 12 19.31589 09 00 55.18 +45 27 46.8          21.6 GVEY040I52
     K18Y00O  C2018 12 19.31839 09 00 54.88 +45 27 36.4          22.2 GVEY040I52
     K18Y00O  C2018 12 19.32089 09 00 54.80 +45 27 27.9          21.4 GVEY040I52
 
Observer details:
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.  0.76-m f/3.0
    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.
L01 Visnjan Observatory, Tican.  Observers K. Korlevic, G. Kervina.  Measurer
    K. Korlevic.  1.0-m f/2.9 reflector + CCD.
 
Orbital elements:
2018 YO                                                  Earth MOID = 0.0051 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M  59.28012              (2000.0)            P               Q
n   0.38291109     Peri.  342.98737     +0.55665724     -0.82817823
a   1.8781809      Node    73.14279     +0.76990274     +0.48480757
e   0.4881372      Incl.    3.90758     +0.31206168     +0.28121599
P   2.57           H   26.8           G   0.15           U   5
Residuals in seconds of arc
181217 F51  0.2+  0.1+    181218 H21  0.6-  0.0     181219 I52  0.2+  0.1+
181217 F51  0.0   0.2-    181218 H21  0.6-  0.0     181219 I52  0.5+  0.4+
181217 F51  0.1+  0.2+    181218 L01  0.4+  0.4+    181219 I52  0.6-  0.8-
181217 F51  0.1-  0.1-    181218 L01  0.1-  0.3-    181219 I52  0.6+  0.0
181218 H21  0.2-  0.0     181218 L01  0.2-  0.3+

Ephemeris:
2018 YO                  a,e,i = 1.88, 0.49, 4                   q = 0.9614
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 11 19    20 59 10.9 -32 46 35   0.1004  0.9623    72.2   102.1    25.5
...
2018 12 04    21 07 49.7 -24 10 31   0.03268 0.9703    61.0   117.3    24.0
...
2018 12 12    03 41 32.5 +87 20 13   0.0085050.9883   115.5    64.1    18.7
...
2018 12 18    09 00 25.0 +47 18 09   0.03353 1.0075   133.9    44.7    21.2
2018 12 19    09 00 40.1 +45 51 03   0.03809 1.0112   135.0    43.5    21.4
2018 12 20    09 00 44.7 +44 42 16   0.04268 1.0149   136.0    42.3    21.6
...
2018 12 26    08 59 09.8 +40 54 10   0.07058 1.0399   141.9    35.7    22.6
...
2019 01 03    08 54 02.6 +38 41 21   0.1091  1.0788   149.7    27.4    23.4
...
2019 01 18    08 41 48.2 +36 11 07   0.1895  1.1652   161.7    15.3    24.4

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-Y40



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