[Iaude] MPEC Y124: 2019 YB4 [a=1.00,e=0.19,i=0.5,H=26.7]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Mon Dec 30 15:03:45 EST 2019


M.P.E.C. 2019-Y124                            Issued 2019 December 30, 20:02 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 YB4                                    


Observations:
     K19Y04B* C2019 12 29.50022908 46 41.12 +35 59 16.5          19.60oVEY124T08
     K19Y04B  C2019 12 29.50346208 46 43.45 +35 59 35.3          19.40oVEY124T08
     K19Y04B  C2019 12 29.50997008 46 48.11 +36 00 15.4          19.34oVEY124T08
     K19Y04B  C2019 12 29.52059108 46 55.74 +36 01 16.7          19.65oVEY124T08
     K19Y04B KC2019 12 29.84866 08 52 32.72 +36 28 37.3                VEY124104
     K19Y04B KC2019 12 29.85165 08 52 35.68 +36 28 58.3          19.2 GVEY124104
     K19Y04B KC2019 12 29.85277108 52 35.87 +36 29 09.7          19.8 GVEY124L01
     K19Y04B KC2019 12 29.85410508 52 37.14 +36 29 19.6          19.9 GVEY124L01
     K19Y04B KC2019 12 29.85595808 52 38.97 +36 29 32.6          19.5 GVEY124L01
     K19Y04B IC2019 12 29.85895208 52 41.87 +36 29 54.4          20.0 GVEY124L01
     K19Y04B pC2019 12 29.86308208 52 45.90 +36 30 23.7          20.1 GVEY124L01
     K19Y04B KC2019 12 29.86507408 52 47.87 +36 30 37.7          19.7 GVEY124L01
     K19Y04B KC2019 12 29.86721 08 52 50.81 +36 30 50.7                VEY124104
     K19Y04B KC2019 12 29.89191 08 53 12.86 +36 33 14.1          18.9 RVEY124A17
     K19Y04B KC2019 12 29.89783 08 53 18.59 +36 33 55.7          19.3 RVEY124A17
     K19Y04B KC2019 12 29.90461 08 53 25.20 +36 34 43.7          18.8 RVEY124A17
     K19Y04B KC2019 12 29.91064 08 53 31.01 +36 35 26.6          18.8 RVEY124A17
     K19Y04B KC2019 12 29.94510 08 54 01.03 +36 40 01.8          18.9 RoEY124K88
     K19Y04B KC2019 12 29.95244 08 54 07.84 +36 40 52.0          19.1 RoEY124K88
     K19Y04B KC2019 12 29.96488 08 54 22.08 +36 42 19.6          19.7 GVEY124595
     K19Y04B KC2019 12 29.97637 08 54 32.83 +36 43 39.5          19.5 GVEY124595
     K19Y04B KC2019 12 29.98877 08 54 44.24 +36 45 04.6          19.9 GVEY124595
     K19Y04B KC2019 12 29.99993 08 54 54.60 +36 46 20.0          19.7 GVEY124595
     K19Y04B  C2019 12 30.81795 09 12 05.38 +38 16 56.7          18.9 VVEY124033
     K19Y04B  C2019 12 30.81851 09 12 06.25 +38 17 02.2          18.5 VVEY124033
     K19Y04B  C2019 12 30.81907 09 12 07.04 +38 17 06.6          18.6 VVEY124033

Observer details:
033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, U. Laux,
    B. Stecklum.  Measurer B. Stecklum.  1.34-m f/3 Schmidt + CCD.
104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri.  Measurers P. 
   Bacci, L. Tesi, G. Fagioli.  0.60-m reflector + CCD.
595 Farra d'Isonzo.  Observers U. Montanar, E. Pettarin.  Measurer E. 
   Pettarin.  0.40-m f/5.15 reflector + CCD.
A17 Guidestar Observatory, Weinheim.  Observers M. Emmerich, S. Melchert.  
    0.36-m f/6 Schmidt-Cassegrain + CCD.
K88 GINOP-KHK, Piszkesteto.  Observer K. Sarneczky.  0.60-m Schmidt + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 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.

Orbital elements:
2019 YB4                                                 Earth MOID = 0.0030 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5                  Veres
M  71.41065              (2000.0)            P               Q
n   0.99126801     Peri.  235.47165     -0.93640058     +0.35089233
a   0.9961896      Node   325.06938     -0.31884015     -0.85702753
e   0.1920761      Incl.    0.53455     -0.14661146     -0.37733060
P   0.99           H   26.7           G   0.15           U   7
Residuals in seconds of arc
191229 T08  0.5-  0.3-    191229 L01  0.3-  0.4+    191229 K88  0.3-  0.4+
191229 T08  0.2-  0.8-    191229 L01  0.1-  0.1+    191229 595  0.5-  0.5-
191229 T08  0.1+  0.8+    191229 L01  0.4+  0.2-    191229 595  0.6+  0.1+
191229 T08  0.7+  0.1-    191229 104  0.0   0.3-    191229 595  0.3-  0.3+
191229 104  1.0+  0.1+    191229 A17  0.5-  0.3+    191229 595  0.2+  0.2-
191229 104  1.2+  0.4-    191229 A17  0.6-  0.2-    191230 033  0.3-  0.4-
191229 L01  0.1-  0.1+    191229 A17  0.0   0.3-    191230 033  0.3+  0.3+
191229 L01  0.4-  0.4+    191229 A17  0.1-  0.1-    191230 033  0.1+  0.1-
191229 L01  0.1-  0.1+    191229 K88  0.4-  0.6+

Ephemeris:
2019 YB4                 a,e,i = 1.00, 0.19, 1                   q = 0.8048
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2019 11 30    07 17 30.3 +25 50 16   0.1341  1.0920   139.7    35.8    24.0
...
2019 12 15    07 39 20.2 +27 32 54   0.07386 1.0488   149.9    28.1    22.4
...
2019 12 23    07 58 59.9 +30 05 14   0.04458 1.0237   153.2    25.6    21.2
...
2019 12 29    08 39 38.9 +35 12 13   0.02397 1.0041   149.3    30.0    19.9
2019 12 30    08 54 44.4 +36 47 35   0.02073 1.0008   146.8    32.6    19.7
2019 12 31    09 16 10.4 +38 45 05   0.01759 0.9974   143.0    36.4    19.4
...
2020 01 06    16 31 22.8 +14 35 06   0.0099920.9772    52.8   126.7    22.0
...
2020 01 14    18 38 50.2 -15 20 27   0.03462 0.9502    15.6   163.9    31.8
...
2020 01 29    19 11 04.1 -21 04 08   0.09127 0.9007    21.7   156.1    31.1

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-Y124




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