[Iaude] MPEC Y51: 2019 YL1 [a=2.35,e=0.57,i=11.2,H=21.5]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sat Dec 21 13:46:46 EST 2019


M.P.E.C. 2019-Y51                             Issued 2019 December 21, 18:45 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 YL1                                    


Observations:
     K19Y01L* C2019 12 19.25470 04 53 50.55 +18 29 01.5          19.5 GVEY051G96
     K19Y01L  C2019 12 19.25977 04 53 50.33 +18 28 43.9          19.3 GVEY051G96
     K19Y01L  C2019 12 19.26860 04 53 49.97 +18 28 13.4          19.4 GVEY051G96
     K19Y01L  C2019 12 19.27743 04 53 49.61 +18 27 42.6          19.4 GVEY051G96
     K19Y01L  C2019 12 19.30031004 53 50.538+18 26 28.82         19.38wUEY051F51
     K19Y01L  C2019 12 19.31279104 53 50.038+18 25 45.79         19.62wUEY051F51
     K19Y01L  C2019 12 19.32527704 53 49.528+18 25 02.83         19.54wUEY051F51
     K19Y01L  C2019 12 19.33782804 53 49.013+18 24 19.40         19.35wUEY051F51
     K19Y01L  C2019 12 19.35829 04 53 46.36 +18 22 59.4          19.2 GVEY051I52
     K19Y01L  C2019 12 19.35902 04 53 46.35 +18 22 56.5          18.8 GVEY051I52
     K19Y01L  C2019 12 19.35974 04 53 46.33 +18 22 54.4          19.1 GVEY051I52
     K19Y01L  C2019 12 19.36438 04 53 46.06 +18 22 38.1          18.9 GVEY051I52
     K19Y01L  C2019 12 19.79329 04 53 37.34 +17 57 15.0          18.8 VVEY051033
     K19Y01L  C2019 12 19.79384 04 53 37.35 +17 57 13.0          18.8 VVEY051033
     K19Y01L  C2019 12 19.79441 04 53 37.31 +17 57 11.1          18.8 VVEY051033
     K19Y01L  C2019 12 19.79557 04 53 37.28 +17 57 06.7          19.1 VVEY051033
     K19Y01L  C2019 12 20.03733 04 53 28.59 +17 42 43.1          18.4 VVEY051033
     K19Y01L  C2019 12 20.03788 04 53 28.57 +17 42 41.2          18.7 VVEY051033
     K19Y01L  C2019 12 20.03845 04 53 28.56 +17 42 39.1          18.7 VVEY051033
     K19Y01L  C2019 12 20.14652 04 53 25.20 +17 36 05.4          19.4 VVEY051033
     K19Y01L  C2019 12 20.14708 04 53 25.21 +17 36 03.5          19.0 VVEY051033
     K19Y01L  C2019 12 20.15897 04 53 28.00 +17 35 36.3          19.6 GVEY051I52
     K19Y01L  C2019 12 20.15954 04 53 27.97 +17 35 34.0          19.6 GVEY051I52
     K19Y01L KC2019 12 20.16136104 53 27.04 +17 35 25.0          19.6 VuEY051H21
     K19Y01L  C2019 12 20.16262 04 53 27.87 +17 35 23.1          19.4 GVEY051I52
     K19Y01L KC2019 12 20.16329804 53 26.98 +17 35 17.9          19.7 VuEY051H21
     K19Y01L KC2019 12 20.16523404 53 26.90 +17 35 10.9          19.6 VuEY051H21
     K19Y01L KC2019 12 20.16736604 53 26.80 +17 35 03.3          19.5 VuEY051H21
     K19Y01L KC2019 12 20.36238 04 53 19.73 +17 23 19.5                oEY051711
     K19Y01L KC2019 12 20.36495 04 53 19.65 +17 23 10.1                oEY051711
     K19Y01L KC2019 12 20.36754 04 53 19.56 +17 23 00.5                oEY051711
     K19Y01L KC2019 12 21.04402804 53 03.17 +16 41 07.1          19.6 GVEY051Z99
     K19Y01L KC2019 12 21.04805204 53 03.05 +16 40 51.5          19.4 GVEY051Z99
     K19Y01L KC2019 12 21.05209604 53 02.92 +16 40 36.3          19.3 GVEY051Z99
     K19Y01L  C2019 12 21.11478 04 53 04.12 +16 36 51.1          20.6 GVEY051I52
     K19Y01L  C2019 12 21.11823 04 53 04.07 +16 36 39.0          19.3 GVEY051I52
     K19Y01L  C2019 12 21.12167 04 53 03.94 +16 36 25.7          19.1 GVEY051I52
     K19Y01L  C2019 12 21.12512 04 53 03.83 +16 36 13.3          18.6 GVEY051I52
     K19Y01L |C2019 12 21.16755 04 53 00.76 +16 34 16.3          19.4 VuEY051807
     K19Y01L |C2019 12 21.17160 04 53 00.59 +16 34 01.1          19.6 VuEY051807
     K19Y01L |C2019 12 21.17520 04 53 00.45 +16 33 47.4          19.5 VuEY051807
     K19Y01L KC2019 12 21.21274 04 52 59.98 +16 30 41.5          19.3 RqEY051734
     K19Y01L KC2019 12 21.21572 04 52 59.87 +16 30 29.9          18.9 RqEY051734
     K19Y01L KC2019 12 21.22165 04 52 59.64 +16 30 07.4          19.0 RqEY051734
     K19Y01L KC2019 12 21.22466 04 52 59.54 +16 29 56.8          19.5 RqEY051734
     K19Y01L KC2019 12 21.23559 04 52 59.43 +16 29 21.1                oEY051711
     K19Y01L KC2019 12 21.23815 04 52 59.32 +16 29 11.5                oEY051711
     K19Y01L KC2019 12 21.24072 04 52 59.22 +16 29 01.7                oEY051711

Observer details:
033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, C. 
   Hoegner, B. Stecklum.  Measurer B. Stecklum.  1.34-m f/3 Schmidt + CCD.
711 McDonald Observatory, Fort Davis.  Observer J. G. Ries.  2.1-m reflector + 
   CCD + focal reducer.
734 Farpoint Observatory, Eskridge.  Observers G. Hug, D. Cromer, D. Goodin.  
    Measurer D. Cromer.  0.69-m reflector + CCD.
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.
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.
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.
Z99 Clixby Observatory, Cleethorpes.  Observer A. Mickleburgh.  0.36-m f/8 
   Schmidt-Cassegrain + CCD.

Orbital elements:
2019 YL1                                                 Earth MOID = 0.1303 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5                  Bell
M  30.41128              (2000.0)            P               Q
n   0.27354003     Peri.  240.19565     -0.75733921     -0.62407913
a   2.3502936      Node   260.49679     +0.64597094     -0.67281191
e   0.5683717      Incl.   11.24073     +0.09570199     -0.39730263
P   3.60           H   21.5           G   0.15           U   7
Residuals in seconds of arc
191219 G96  0.1+  0.1-    191220 033  0.3-  0.3-    191221 Z99  0.1+  0.1-
191219 G96  0.0   0.1-    191220 033  0.3-  0.2-    191221 Z99  0.1+  0.0
191219 G96  0.0   0.1+    191220 033  0.1-  0.2-    191221 I52  0.8-  0.2-
191219 G96  0.0   0.0     191220 033  0.2+  0.4-    191221 I52  0.1+  0.5+
191219 F51  0.0   0.0     191220 033  0.6+  0.2-    191221 I52  0.1-  0.0
191219 F51  0.0   0.0     191220 I52  0.0   0.1+    191221 I52  0.1+  0.4+
191219 F51  0.0   0.1+    191220 I52  0.1-  0.2-    191221 807  0.3+  0.0
191219 F51  0.1+  0.0     191220 H21  0.0   0.1+    191221 807  0.2+  0.1+
191219 I52  0.0   0.0     191220 I52  0.1+  0.1-    191221 807  0.2+  0.1-
191219 I52  0.2+  0.3-    191220 H21  0.2+  0.0     191221 734  0.1-  0.3-
191219 I52  0.4+  0.1+    191220 H21  0.1+  0.1-    191221 734  0.0   0.6-
191219 I52  0.9-  0.2+    191220 H21  0.1-  0.0     191221 734  0.1-  0.7-
191219 033  0.3-  0.1+    191220 711  0.2-  0.4+    191221 734  0.2+  0.0
191219 033  0.1+  0.0     191220 711  0.0   0.5+    191221 711  0.1+  0.2+
191219 033  0.2-  0.1+    191220 711  0.1+  0.4+    191221 711  0.0   0.3+
191219 033  0.1-  0.2-    191221 Z99  0.2-  0.3+    191221 711  0.0   0.2+

Ephemeris:
2019 YL1                 a,e,i = 2.35, 0.57, 11                  q = 1.0145
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2019 11 21    05 02 16.0 +33 05 53   0.4441  1.4094   157.9    15.3    21.3
...
2019 12 06    04 59 45.4 +28 00 30   0.3151  1.2990   173.7     4.7    20.0
...
2019 12 14    04 56 16.7 +23 00 01   0.2603  1.2435   173.9     4.8    19.5
...
2019 12 20    04 53 30.7 +17 45 23   0.2258  1.2040   165.8    11.6    19.4
2019 12 21    04 53 05.2 +16 44 19   0.2206  1.1977   164.3    12.8    19.4
2019 12 22    04 52 40.8 +15 40 39   0.2156  1.1914   162.8    14.1    19.4
...
2019 12 28    04 50 52.0 +08 21 34   0.1891  1.1552   153.0    22.7    19.3
...
2020 01 05    04 51 14.3 -03 55 19   0.1637  1.1117   138.8    35.6    19.3
...
2020 01 20    05 06 34.8 -31 48 09   0.1464  1.0489   112.6    60.0    19.6

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-Y51




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