[Iaude] MPEC Y91: 2019 YU2 [a=2.33,e=0.66,i=0.6,H=27.4]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Wed Dec 25 11:15:56 EST 2019


M.P.E.C. 2019-Y91                             Issued 2019 December 25, 16:14 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

                                    2019 YU2                                    


Observations:
     K19Y02U* C2019 12 24.48856507 23 50.11 +27 14 00.0          16.82oVEY091T08
     K19Y02U  C2019 12 24.49191407 23 46.35 +27 12 07.8          16.83oVEY091T08
     K19Y02U  C2019 12 24.49732307 23 40.43 +27 09 10.4          17.13oVEY091T08
     K19Y02U  C2019 12 24.50746807 23 29.65 +27 03 42.5          17.00oVEY091T08
     K19Y02U  C2019 12 24.54551907 22 52.72 +26 44 14.2          17.23oVEY091T08
     K19Y02U  C2019 12 24.54598107 22 52.29 +26 44 00.0          16.75oVEY091T08
     K19Y02U  C2019 12 24.54644107 22 51.93 +26 43 47.8          17.17oVEY091T08
     K19Y02U  C2019 12 24.54690107 22 51.50 +26 43 33.8          17.23oVEY091T08
     K19Y02U  C2019 12 24.54956107 22 50.40 +26 41 50.4          17.23cVEY091T05
     K19Y02U  C2019 12 24.55001907 22 50.08 +26 41 39.2          17.74cVEY091T05
     K19Y02U  C2019 12 24.55047507 22 49.65 +26 41 24.8          17.50cVEY091T05
     K19Y02U  C2019 12 24.55093307 22 49.22 +26 41 10.9          17.28cVEY091T05
     K19Y02U  C2019 12 24.55139107 22 48.83 +26 40 57.0          17.55cVEY091T05
     K19Y02U  C2019 12 24.86460607 22 40.63 +24 51 27.1          18.0 GVEY091L01
     K19Y02U  C2019 12 24.86540407 22 40.29 +24 51 17.7          17.5 GVEY091L01
     K19Y02U  C2019 12 24.86833907 22 39.07 +24 50 42.8          17.6 GVEY091L01
     K19Y02U  C2019 12 24.86941407 22 38.61 +24 50 30.1          18.0 GVEY091L01
     K19Y02U  C2019 12 24.86994907 22 38.39 +24 50 23.8          17.9 GVEY091L01
     K19Y02U  C2019 12 24.87021107 22 38.28 +24 50 20.8          17.7 GVEY091L01
     K19Y02U  C2019 12 24.87073507 22 38.09 +24 50 14.5          18.0 GVEY091L01
     K19Y02U KC2019 12 24.87361 07 22 36.60 +24 49 31.4          17.8 GVEY091595
     K19Y02U KC2019 12 24.87780 07 22 34.82 +24 48 42.8          18.5 GVEY091595
     K19Y02U KC2019 12 24.88199 07 22 33.09 +24 47 53.9          17.7 GVEY091595
     K19Y02U KC2019 12 24.88618 07 22 31.32 +24 47 05.1          17.9 GVEY091595
     K19Y02U KC2019 12 24.89036 07 22 29.53 +24 46 17.4          17.9 GVEY091595
     K19Y02U KC2019 12 24.89457 07 22 27.77 +24 45 28.8          18.2 GVEY091595
     K19Y02U KC2019 12 24.92178 07 22 18.92 +24 40 39.6          17.6 GVEY091K63
     K19Y02U KC2019 12 24.92525 07 22 17.40 +24 40 01.4          17.6 GVEY091K63
     K19Y02U KC2019 12 24.92919 07 22 15.66 +24 39 17.9          17.7 GVEY091K63
     K19Y02U KC2019 12 24.93692 07 22 12.72 +24 37 30.1          17.9 GVEY091203
     K19Y02U KC2019 12 24.94935 07 22 07.34 +24 35 16.3          18.2 GVEY091203
     K19Y02U KC2019 12 24.95899 07 22 03.17 +24 33 33.8          18.1 GVEY091203
     K19Y02U bC2019 12 24.96454 07 22 00.87 +24 32 30.1                VEY091204
     K19Y02U bC2019 12 24.97033 07 21 58.38 +24 31 28.7                VEY091204
     K19Y02U bC2019 12 24.97612 07 21 55.90 +24 30 28.3          18.7 GVEY091204
     K19Y02U IC2019 12 25.13565 07 21 55.75 +24 05 47.1          18.2 GVEY091W34
     K19Y02U KC2019 12 25.14285 07 21 53.43 +24 04 54.6          18.5 GVEY091W34
     K19Y02U KC2019 12 25.14834 07 21 51.60 +24 04 15.0          18.4 GVEY091W34
     K19Y02U KC2019 12 25.15498 07 21 49.34 +24 03 27.1          18.3 GVEY091W34
     K19Y02U KC2019 12 25.36494807 20 42.04 +23 38 16.5          18.7 VuEY091H21
     K19Y02U KC2019 12 25.36630607 20 41.67 +23 38 07.2          18.8 VuEY091H21
     K19Y02U KC2019 12 25.36766107 20 41.29 +23 37 58.2          18.8 VuEY091H21
     K19Y02U KC2019 12 25.36901607 20 40.92 +23 37 49.2          18.8 VuEY091H21

Observer details:
203 GiaGa Observatory.  Observers S. Foglia, G. Galli.  Measurer G. Galli.  
    0.36-m f/5.76 Schmidt-Cassegrain + CCD.
204 Schiaparelli Observatory.  Observer L. Buzzi.  0.84-m f/3.5 reflector + CCD.
595 Farra d'Isonzo.  Observers U. Montanar, E. Pettarin.  Measurer U. 
   Montanar.  0.40-m f/5.15 reflector + 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.
K63 G. Pascoli Observatory, Castelvecchio Pascoli.  Observers R. Bacci, P. 
   Bacci.  Measurer R. Bacci.  0.4-m f/3.2 Newtonian reflector + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector + 
   CCD.
T05 ATLAS-HKO, Haleakala.  Observers L. Denneau, J. Tonry, A. Heinze, H. 
   Weiland, H. Flewelling.  Measurers L. Denneau, J. Tonry, A. Heinze, H. 
   Weiland, H. Flewelling, B. Stalder, A. Fitzsimmons, J. Robinson, N. Erasmus. 
    0.5-m reflector + CCD.
T08 ATLAS-MLO, Mauna Loa.  Observers L. Denneau, J. Tonry, A. Heinze, H. 
   Weiland, H. Flewelling.  Measurers L. Denneau, J. Tonry, A. Heinze, H. 
   Weiland, H. Flewelling, B. Stalder, A. Fitzsimmons, J. Robinson, N. Erasmus. 
    0.5-m reflector + CCD.
W34 Squirrel Valley Observatory, Columbus.  Observer R. L. Flynn.  0.35-m f/1.9 
   Schmidt-Cassegrain + CCD.

Orbital elements:
2019 YU2                                                 Earth MOID = 0.0007 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5                  Veres
M  54.75869              (2000.0)            P               Q
n   0.27749339     Peri.  117.46439     +0.84250554     -0.53860095
a   2.3279177      Node   275.12553     +0.49074809     +0.77480394
e   0.6583298      Incl.    0.55601     +0.22215021     +0.33104058
P   3.55           H   27.4           G   0.15           U   6
Residuals in seconds of arc
191224 T08  0.7+  0.8+    191224 L01  0.2+  0.1+    191224 203  0.1+  0.2-
191224 T08  0.0   0.4-    191224 L01  0.0   0.0     191224 203  0.1-  0.1+
191224 T08  0.2-  0.3-    191224 L01  0.0   0.0     191224 204  0.2+  0.1+
191224 T08  0.2-  0.6-    191224 L01  0.0   0.1+    191224 204  0.1+  0.3-
191224 T08  0.1-  0.1+    191224 L01  0.4+  0.0     191224 204  0.0   0.0
191224 T08  0.3-  0.5-    191224 595  0.3+  0.1-    191225 W34  0.5-  0.0
191224 T08  0.3+  0.9+    191224 595  0.2-  0.3+    191225 W34  0.0   0.2-
191224 T08  0.1+  0.4+    191224 595  0.1+  0.1+    191225 W34  0.1-  0.1-
191224 T05  0.6-  0.9-    191224 595  0.0   0.2-    191225 W34  0.4-  0.1-
191224 T05  0.5+  1.3+    191224 595  0.3-  0.3+    191225 H21  0.1-  0.1+
191224 T05  0.1+  0.2+    191224 595  0.1+  0.0     191225 H21  0.0   0.1-
191224 T05  0.3-  0.3-    191224 K63  0.2+  0.0     191225 H21  0.1-  0.1+
191224 T05  0.2-  0.9-    191224 K63  0.2+  0.0     191225 H21  0.1-  0.2+
191224 L01  0.4+  0.2+    191224 K63  0.0   0.2-
191224 L01  0.3+  0.3+    191224 203  0.4+  0.3-

Ephemeris:
2019 YU2                 a,e,i = 2.33, 0.66, 1                   q = 0.7954
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2019 11 25    19 03 47.9 -23 08 38   0.2703  0.8089    42.5   124.4    29.3
...
2019 12 10    19 17 21.6 -22 38 47   0.1246  0.8797    30.5   145.4    30.2
...
2019 12 18    19 19 29.6 -22 09 04   0.05178 0.9365    22.9   155.9    30.6
...
2019 12 24    07 39 08.2 +42 10 17   0.0018100.9852   153.2    26.7    14.9
2019 12 25    07 21 39.4 +24 31 32   0.01060 0.9937   163.9    15.9    18.4
2019 12 26    07 20 18.3 +22 54 15   0.01948 1.0023   165.2    14.5    19.7
...
2020 01 01    07 18 43.3 +21 30 19   0.07323 1.0558   171.5     8.0    22.4
...
2020 01 09    07 17 51.6 +21 17 46   0.1473  1.1306   179.1     0.8    23.6
...
2020 01 24    07 18 21.2 +21 13 58   0.3001  1.2766   165.0    11.5    26.0

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-Y91




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