[Iaude] MPEC Y60: 2019 YU1 [a=1.13,e=0.25,i=31.0,H=24.2]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sat Dec 21 21:32:22 EST 2019


M.P.E.C. 2019-Y60                             Issued 2019 December 22, 02:31 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 YU1                                    


Observations:
     K19Y01U* C2019 12 20.36002 08 07 56.20 +08 53 48.5          20.5 GVEY060G96
     K19Y01U  C2019 12 20.37113 08 07 50.24 +08 59 09.0          19.7 GVEY060G96
     K19Y01U  C2019 12 20.37669 08 07 47.20 +09 01 50.6          20.6 GVEY060G96
     K19Y01U  C2019 12 20.43942 08 07 13.57 +09 31 50.2          19.5 GVEY060I52
     K19Y01U  C2019 12 20.44056 08 07 12.95 +09 32 23.2          19.6 GVEY060I52
     K19Y01U  C2019 12 20.44169 08 07 12.35 +09 32 54.7          19.7 GVEY060I52
     K19Y01U  C2019 12 20.44282 08 07 11.73 +09 33 27.4          19.4 GVEY060I52
     K19Y01U KC2019 12 21.02298 08 02 28.51 +14 10 21.5          18.7 RVEY060J04
     K19Y01U KC2019 12 21.02410 08 02 27.92 +14 10 54.0          18.5 RVEY060J04
     K19Y01U KC2019 12 21.02523 08 02 27.25 +14 11 26.1          18.5 RVEY060J04
     K19Y01U |C2019 12 21.24205 08 00 33.47 +15 56 04.3          19.6 GVEY060807
     K19Y01U |C2019 12 21.24349 08 00 32.65 +15 56 45.3          19.8 GVEY060807
     K19Y01U |C2019 12 21.24494 08 00 31.85 +15 57 26.2          19.8 GVEY060807
     K19Y01U |C2019 12 21.24638 08 00 31.03 +15 58 07.0          19.6 GVEY060807
     K19Y01U |C2019 12 21.24961 08 00 29.23 +15 59 38.4          19.7 GVEY060807
     K19Y01U  C2019 12 21.30593 08 00 02.52 +16 23 59.4          19.6 GVEY060I52
     K19Y01U  C2019 12 21.30705 08 00 01.88 +16 24 31.0          19.6 GVEY060I52
     K19Y01U  C2019 12 21.30761 08 00 01.58 +16 24 47.1          19.5 GVEY060I52
     K19Y01U KC2019 12 21.34355 07 59 40.68 +16 41 47.9                 EY060711
     K19Y01U KC2019 12 21.34590 07 59 39.34 +16 42 53.8                 EY060711
     K19Y01U KC2019 12 21.34824 07 59 38.03 +16 44 00.3                 EY060711
     K19Y01U  C2019 12 21.85290 07 55 17.47 +20 37 12.0          18.9 VVEY060033
     K19Y01U  C2019 12 21.85351 07 55 17.11 +20 37 29.2          19.2 VVEY060033
     K19Y01U  C2019 12 21.85413 07 55 16.78 +20 37 46.6          19.5 VVEY060033
     K19Y01U  C2019 12 21.85475 07 55 16.46 +20 38 03.4          19.1 VVEY060033
     K19Y01U KC2019 12 21.96260507 54 16.71 +21 27 40.4          19.8 GVEY060L01
     K19Y01U KC2019 12 21.96302507 54 16.48 +21 27 52.0          19.6 GVEY060L01
     K19Y01U KC2019 12 21.96574507 54 14.93 +21 29 06.6          19.7 GVEY060L01
     K19Y01U KC2019 12 21.96699807 54 14.23 +21 29 40.7          20.0 GVEY060L01

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 .
807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes.  
    1.00-m f/10.0 astrograph + 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.
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.
J04 ESA Optical Ground Station, Tenerife.  Observer D. Abreu.  Measurers A. 
   Knofel, D. Koschny, M. Busch, M. Micheli, E. Schwab.  1.0-m f/4.4 
   reflector + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector + 
   CCD.

Orbital elements:
2019 YU1                                                 Earth MOID = 0.0492 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5                  Bell
M 191.36910              (2000.0)            P               Q
n   0.82038938     Peri.  272.64117     +0.85521943     -0.06030202
a   1.1301151      Node    91.19348     +0.26321536     +0.90611638
e   0.2508985      Incl.   30.98794     -0.44644977     +0.41870845
P   1.20           H   24.2           G   0.15           U   7
Residuals in seconds of arc
191220 G96  0.7+  1.6-    191221 807  0.2+  0.0     191221 711  0.4+  0.2+
191220 G96  0.5+  0.3-    191221 807  0.0   0.2+    191221 033  0.1+  0.3-
191220 G96  0.5-  1.5+    191221 807  0.2+  0.1+    191221 033  0.3-  0.1+
191220 I52  0.1+  0.5+    191221 807  0.0   0.1+    191221 033  0.2-  0.4+
191220 I52  0.0   0.8+    191221 807  0.2+  0.0     191221 033  0.0   0.0
191220 I52  0.1+  0.1-    191221 I52  0.0   0.1+    191221 L01  0.2+  0.1+
191220 I52  0.1-  0.2+    191221 I52  0.2-  0.0     191221 L01  0.3+  0.2+
191221 J04  0.3+  0.0     191221 I52  0.0   0.2+    191221 L01  0.3+  0.3+
191221 J04  0.6+  0.5+    191221 711  0.4+  0.1+    191221 L01  0.5+  0.2+
191221 J04  0.1-  0.3+    191221 711  0.2+  0.3-

Ephemeris:
2019 YU1                 a,e,i = 1.13, 0.25, 31                  q = 0.8466
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2019 11 22    10 10 28.3 -63 09 49   0.2755  0.9289    69.7    94.1    24.6
...
2019 12 07    09 23 20.6 -50 22 32   0.1479  0.9855    85.8    85.6    23.0
...
2019 12 15    08 45 21.2 -27 06 36   0.08735 1.0182   110.5    64.9    21.2
...
2019 12 21    08 02 35.6 +13 59 41   0.06922 1.0432   148.1    29.9    19.8
2019 12 22    07 53 54.1 +21 45 10   0.07076 1.0474   153.2    25.0    19.7
2019 12 23    07 44 44.9 +29 00 58   0.07364 1.0516   156.4    22.0    19.7
...
2019 12 29    06 41 49.2 +57 14 50   0.1105  1.0767   145.9    30.8    20.9
...
2020 01 06    05 16 40.8 +69 13 28   0.1814  1.1100   130.6    42.2    22.4
...
2020 01 21    03 57 59.9 +72 45 06   0.3275  1.1702   117.1    48.5    23.9

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-Y60




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