[Iaude] MPEC Y46: 2019 YF1 [a=2.49,e=0.57,i=7.7,H=24.1]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sat Dec 21 13:36:17 EST 2019


M.P.E.C. 2019-Y46                             Issued 2019 December 21, 18:34 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 YF1                                    


Observations:
     K19Y01F* C2019 12 19.35013702 54 32.375+12 55 42.58         21.16wUEY046F51
     K19Y01F  C2019 12 19.37076302 54 39.023+12 57 59.13         21.36wUEY046F51
     K19Y01F  C2019 12 19.38110302 54 42.381+12 59 07.72         21.27wUEY046F51
     K19Y01F  C2019 12 19.98137 02 58 15.27 +14 05 04.9          21.0 VVEY046033
     K19Y01F  C2019 12 19.98337 02 58 15.96 +14 05 18.1          20.3 VVEY046033
     K19Y01F  C2019 12 19.98539 02 58 16.66 +14 05 31.1          20.4 VVEY046033
     K19Y01F  C2019 12 19.98749 02 58 17.38 +14 05 45.0          20.5 VVEY046033
     K19Y01F KC2019 12 20.04557102 58 42.61 +14 12 26.9          21.0 VuEY046H21
     K19Y01F KC2019 12 20.05138402 58 44.59 +14 13 06.2          20.9 VuEY046H21
     K19Y01F KC2019 12 20.05661802 58 46.37 +14 13 41.2          21.0 VuEY046H21
     K19Y01F  C2019 12 20.08826 02 58 58.66 +14 17 19.3          21.2 GVEY046I52
     K19Y01F  C2019 12 20.08993 02 58 59.26 +14 17 30.8          20.5 GVEY046I52
     K19Y01F  C2019 12 20.09159 02 58 59.78 +14 17 41.3          20.5 GVEY046I52
     K19Y01F  C2019 12 20.09325 02 59 00.36 +14 17 52.4          21.2 GVEY046I52
     K19Y01F KC2019 12 21.11172 03 05 12.69 +16 11 02.2                oEY046711
     K19Y01F IC2019 12 21.11476 03 05 13.72 +16 11 22.2                oEY046711
     K19Y01F KC2019 12 21.11781 03 05 14.78 +16 11 41.5                oEY046711
     K19Y01F |C2019 12 21.12548 03 05 14.83 +16 13 45.8          21.4 VuEY046807
     K19Y01F |C2019 12 21.12969 03 05 16.26 +16 14 14.1          21.0 VuEY046807
     K19Y01F |C2019 12 21.13362 03 05 17.64 +16 14 39.6          21.1 VuEY046807
     K19Y01F  C2019 12 21.14510 03 05 24.74 +16 14 41.1          21.1 GVEY046I52
     K19Y01F  C2019 12 21.14677 03 05 25.30 +16 14 52.2          20.7 GVEY046I52
     K19Y01F  C2019 12 21.14843 03 05 25.88 +16 15 03.3          21.2 GVEY046I52
     K19Y01F KC2019 12 21.18137 03 05 37.36 +16 18 44.0          20.5 RoEY046691
     K19Y01F KC2019 12 21.19157 03 05 40.85 +16 19 52.1          20.7 RoEY046691
     K19Y01F KC2019 12 21.20176 03 05 44.36 +16 20 59.5          21.3 RoEY046691

Observer details:
033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, C. 
   Hoegner, B. Stecklum.  Measurer B. Stecklum.  1.34-m f/3 Schmidt + CCD.
691 Steward Observatory, Kitt Peak-Spacewatch.  Observer M. T. Read.  0.9-m f/3 
   reflector + CCD.
711 McDonald Observatory, Fort Davis.  Observer J. G. Ries.  2.1-m reflector + 
   CCD + focal reducer.
807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes.  
    0.61-m f/6.5 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.
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.  Observers T. A. Pruyne, D. 
   Rankin.  Measurers 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, T. 
   A. Pruyne, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.  1.0-m 
   reflector + CCD.

Orbital elements:
2019 YF1                                                 Earth MOID = 0.0888 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5                  Bell
M  42.61592              (2000.0)            P               Q
n   0.25090250     Peri.  350.20026     +0.24433400     -0.96036280
a   2.4896181      Node    85.56603     +0.89853769     +0.17219991
e   0.5697853      Incl.    7.73448     +0.36459693     +0.21920420
P   3.93           H   24.1           G   0.15           U   7
Residuals in seconds of arc
191219 F51  0.0   0.1-    191220 H21  0.0   0.3-    191221 807  0.8-  0.4+
191219 F51  0.1-  0.1-    191220 I52  0.2-  0.1+    191221 807  0.5-  0.1-
191219 F51  0.0   0.2+    191220 I52  0.3+  0.4+    191221 I52  0.4+  0.4-
191219 033  0.3+  0.4+    191220 I52  0.2-  0.3-    191221 I52  0.2+  0.5-
191219 033  0.3+  0.4+    191220 I52  0.0   0.3-    191221 I52  0.3+  0.5-
191219 033  0.3+  0.0     191221 711  0.1+  1.0+    191221 691  0.7+  0.0
191219 033  0.2+  0.1+    191221 711  0.2-  0.7+    191221 691  0.2+  0.2+
191220 H21  0.5-  0.5-    191221 711  0.2-  0.4-    191221 691  0.0   0.2-
191220 H21  0.2-  0.2-    191221 807  0.4-  0.0

Ephemeris:
2019 YF1                 a,e,i = 2.49, 0.57, 8                   q = 1.0711
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2019 11 21    01 22 04.6 -20 53 21   0.1817  1.1062   126.7    45.8    22.4
...
2019 12 06    01 54 19.3 -08 18 25   0.1374  1.0748   127.7    46.5    21.7
...
2019 12 14    02 26 10.0 +03 23 52   0.1217  1.0711   133.0    42.2    21.3
...
2019 12 20    02 58 24.1 +14 07 52   0.1170  1.0745   138.7    37.2    21.1
2019 12 21    03 04 29.2 +15 58 52   0.1170  1.0756   139.7    36.3    21.1
2019 12 22    03 10 46.1 +17 49 29   0.1171  1.0768   140.6    35.4    21.1
...
2019 12 28    03 52 04.6 +28 12 34   0.1232  1.0871   145.4    30.9    21.1
...
2020 01 05    04 52 20.8 +38 19 14   0.1436  1.1084   148.6    27.5    21.3
...
2020 01 20    06 29 47.2 +45 07 03   0.2112  1.1690   148.4    26.2    22.3

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-Y46




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