[Iaude] MPEC Y132: 2019 YL4 [a=0.97,e=0.17,i=8.1,H=24.3]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Mon Dec 30 23:04:17 EST 2019


M.P.E.C. 2019-Y132                            Issued 2019 December 31, 04:02 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 YL4                                    


Observations:
     K19Y04L* C2019 12 28.44070308 12 11.094+12 08 24.59         21.77wUEY132F51
     K19Y04L  C2019 12 28.45272308 12 08.949+12 08 57.89         22.00wUEY132F51
     K19Y04L  C2019 12 28.47670808 12 04.675+12 10 04.61         21.89wUEY132F51
     K19Y04L pC2019 12 29.08297708 10 25.32 +12 37 55.5          21.7 GVEY132L01
     K19Y04L KC2019 12 29.08612308 10 24.69 +12 38 04.4          21.6 GVEY132L01
     K19Y04L pC2019 12 29.09242908 10 23.62 +12 38 23.1          22.0 GVEY132L01
     K19Y04L IC2019 12 29.09559408 10 23.01 +12 38 31.5          22.0 GVEY132L01
     K19Y04L  C2019 12 29.14363 08 10 14.72 +12 40 41.6          21.2 VVEY132033
     K19Y04L  C2019 12 29.14720 08 10 14.09 +12 40 51.3          20.4 VVEY132033
     K19Y04L |C2019 12 30.20761 08 07 17.10 +13 32 47.5          21.2 GVEY132807
     K19Y04L |C2019 12 30.21324 08 07 16.02 +13 33 04.1          21.2 GVEY132807
     K19Y04L |C2019 12 30.21889 08 07 14.93 +13 33 20.8          21.3 GVEY132807
     K19Y04L  C2019 12 30.95719 08 05 04.44 +14 08 29.3          22.5 VVEY132033
     K19Y04L  C2019 12 30.96076 08 05 03.77 +14 08 40.2          23.2 VVEY132033

Observer details:
033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, U. Laux,
    B. Stecklum, F. Ludwig.  Measurer B. Stecklum.  1.34-m f/3 Schmidt + CCD.
807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes.  
    1.00-m f/10.0 astrograph + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz, M. 
   Willman.  Measurers K. Chambers, S. Chastel, T. de Boer, 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.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector + 
   CCD.

Orbital elements:
2019 YL4                                                 Earth MOID = 0.1247 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5                  Pan
M 332.84470              (2000.0)            P               Q
n   1.02884723     Peri.  176.43204     +0.24658551     +0.95982196
a   0.9717819      Node   107.80868     -0.89259715     +0.27875973
e   0.1689717      Incl.    8.08668     -0.37744657     -0.03216866
P   0.96           H   24.3           G   0.15           U   8
Residuals in seconds of arc
191228 F51  0.1-  0.1+    191229 L01  0.4+  0.6+    191230 807  0.2-  0.1+
191228 F51  0.1-  0.1-    191229 L01  0.2-  0.2+    191230 807  0.2-  0.2+
191228 F51  0.2+  0.0     191229 033  0.2+  0.1-    191230 033  0.1+  0.1-
191229 L01  0.5+  0.5-    191229 033  0.2+  0.4-    191230 033  0.4+  0.1+
191229 L01  0.5-  0.4-    191230 807  0.3-  0.0

Ephemeris:
2019 YL4                 a,e,i = 0.97, 0.17, 8                   q = 0.8076
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2019 12 01    08 39 16.9 +00 16 02   0.2501  1.1142   114.7    53.5    23.5
...
2019 12 16    08 34 27.9 +04 40 33   0.2013  1.1292   132.1    40.3    22.7
...
2019 12 24    08 22 30.0 +09 00 03   0.1784  1.1336   144.5    30.2    22.1
...
2019 12 30    08 07 52.1 +13 22 05   0.1647  1.1354   155.6    21.0    21.7
2019 12 31    08 04 55.8 +14 11 08   0.1628  1.1356   157.6    19.3    21.6
2020 01 01    08 01 51.1 +15 01 32   0.1611  1.1357   159.6    17.6    21.5
...
2020 01 07    07 40 35.4 +20 25 55   0.1535  1.1356   172.3     6.6    21.0
...
2020 01 15    07 06 37.1 +27 50 45   0.1520  1.1332   169.4     9.2    21.1
...
2020 01 30    06 04 42.5 +38 13 07   0.1735  1.1223   139.3    34.9    22.2

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-Y132




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