[Iaude] MPEC Y39: 2019 YY [a=1.86,e=0.47,i=4.1,H=25.9]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sat Dec 21 01:42:41 EST 2019


M.P.E.C. 2019-Y39                             Issued 2019 December 21, 06:41 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 YY                                     


Observations:
     K19Y00Y* C2019 12 19.26234 02 40 36.58 +22 54 19.4          21.1 GVEY039G96
     K19Y00Y  C2019 12 19.26652 02 40 43.08 +22 54 14.9          20.6 GVEY039G96
     K19Y00Y  C2019 12 19.27491 02 40 55.91 +22 54 08.9          20.4 GVEY039G96
     K19Y00Y  C2019 12 19.34129 02 42 37.57 +22 53 14.5          20.5 GVEY039G96
     K19Y00Y  C2019 12 19.34187 02 42 38.37 +22 53 14.2          20.6 GVEY039G96
     K19Y00Y  C2019 12 19.34245 02 42 39.36 +22 53 13.7          20.5 GVEY039G96
     K19Y00Y  C2019 12 19.34303 02 42 40.21 +22 53 13.1          20.5 GVEY039G96
     K19Y00Y  C2019 12 19.35539202 43 05.985+22 54 15.90         19.7 GVEY039F52
     K19Y00Y  C2019 12 19.36861002 43 25.854+22 54 06.18         19.7 GVEY039F52
     K19Y00Y  C2019 12 19.38244102 43 46.785+22 53 54.99         21.1 GVEY039F52
     K19Y00Y KC2019 12 20.09456103 02 27.25 +22 42 01.3          20.8 VuEY039H21
     K19Y00Y KC2019 12 20.09929503 02 34.21 +22 41 55.7          21.2 VuEY039H21
     K19Y00Y  C2019 12 20.10249 03 02 43.55 +22 42 06.8          20.5 GVEY039I52
     K19Y00Y KC2019 12 20.10337603 02 40.24 +22 41 50.9          20.7 VuEY039H21
     K19Y00Y  C2019 12 20.10346 03 02 44.97 +22 42 05.7          20.2 GVEY039I52
     K19Y00Y  C2019 12 20.10443 03 02 45.91 +22 42 04.5          20.4 GVEY039I52
     K19Y00Y  C2019 12 20.10540 03 02 47.82 +22 42 03.3          20.3 GVEY039I52
     K19Y00Y  C2019 12 21.09031 03 27 23.91 +22 15 04.5          19.6 GVEY039I52
     K19Y00Y  C2019 12 21.09127 03 27 25.25 +22 15 02.5          20.4 GVEY039I52
     K19Y00Y  C2019 12 21.09224 03 27 26.60 +22 15 00.6          20.7 GVEY039I52
     K19Y00Y  C2019 12 21.09321 03 27 28.00 +22 15 00.4                VEY039I52
     K19Y00Y KC2019 12 21.13525 03 28 25.04 +22 13 52.1                oEY039711
     K19Y00Y KC2019 12 21.14040 03 28 32.15 +22 13 42.2                oEY039711
     K19Y00Y IC2019 12 21.14236 03 28 37.24 +22 13 39.0                oEY039711
     K19Y00Y KC2019 12 21.14953 03 28 42.91 +22 12 58.8          19.7 RqEY039H36
     K19Y00Y KC2019 12 21.15558 03 28 51.27 +22 12 46.7          20.6 RqEY039H36
     K19Y00Y KC2019 12 21.16159 03 28 59.65 +22 12 35.2          20.3 RqEY039H36

Observer details:
711 McDonald Observatory, Fort Davis.  Observer J. G. Ries.  2.1-m reflector + 
   CCD + focal reducer.
F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, K. Chambers, T. Dukes, T. 
   Lowe, A. Schultz, M. Willman.  Measurers S. Chastel, M. Huber, Y. 
   Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey.  Observer G. J. Leonard.  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.  1.5-m reflector + 10K 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.
H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m f/5.1 reflector + 
   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 YY                                                  Earth MOID = 0.0212 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5                  Bell
M  71.52523              (2000.0)            P               Q
n   0.38712019     Peri.  150.71775     +0.49930428     -0.86347054
a   1.8645420      Node   269.24542     +0.78036857     +0.48403768
e   0.4712529      Incl.    4.10115     +0.37645735     +0.14186665
P   2.55           H   25.9           G   0.15           U   8
Residuals in seconds of arc
191219 G96  0.8-  1.2+    191219 F52  0.2+  0.2-    191221 I52  0.1+  0.3-
191219 G96  1.2+  0.4-    191220 H21  0.1+  0.1-    191221 I52  0.0   0.5-
191219 G96  1.9+  0.4-    191220 H21  0.1+  0.1-    191221 I52  0.6+  1.0+
191219 G96  0.4+  0.2-    191220 I52  0.1+  0.0     191221 711  0.8-  0.3+
191219 G96  0.9-  0.0     191220 H21  0.4+  0.1-    191221 711  0.5-  0.3+
191219 G96  0.4+  0.1+    191220 I52  0.1-  0.1-    191221 711(32.7+  0.8+)
191219 G96  0.2-  0.0     191220 I52 (6.9-  0.3-)   191221 H36  0.4-  0.4-
191219 F52  1.2-  0.1+    191220 I52  0.2-  0.5-    191221 H36  0.2-  0.3-
191219 F52  1.3-  0.2+    191221 I52  0.1+  0.0     191221 H36  1.2+  0.4+

Ephemeris:
2019 YY                  a,e,i = 1.86, 0.47, 4                   q = 0.9859
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2019 11 21    21 21 51.7 +05 52 51   0.1264  0.9894    87.0    85.7    24.4
...
2019 12 06    22 34 14.5 +12 38 38   0.07025 0.9901    91.8    84.1    23.1
...
2019 12 14    00 28 27.8 +20 12 28   0.04743 1.0034   112.4    65.1    21.6
...
2019 12 20    02 59 58.0 +22 44 53   0.04442 1.0189   141.2    37.2    20.7
2019 12 21    03 25 03.5 +22 18 52   0.04564 1.0219   145.9    32.7    20.6
2019 12 22    03 48 31.7 +21 41 30   0.04731 1.0250   150.1    28.6    20.6
...
2019 12 28    05 28 54.6 +16 46 17   0.06473 1.0462   165.4    13.7    20.8
...
2020 01 05    06 30 16.5 +12 21 45   0.09907 1.0802   167.5    11.4    21.7
...
2020 01 20    07 13 13.6 +09 42 14   0.1803  1.1580   163.6    13.9    23.3

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-Y39




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