[Iaude] MPEC Y49: 2019 YJ1 [a=1.20,e=0.12,i=22.4,H=24.6]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sat Dec 21 13:42:47 EST 2019


M.P.E.C. 2019-Y49                             Issued 2019 December 21, 18:41 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 YJ1                                    


Observations:
     K19Y01J* C2019 12 19.16274 03 38 22.07 +20 36 31.9          20.7 GVEY049G96
     K19Y01J  C2019 12 19.17129 03 38 18.36 +20 38 28.5          20.9 GVEY049G96
     K19Y01J  C2019 12 19.17690 03 38 15.91 +20 39 45.8          20.5 GVEY049G96
     K19Y01J  C2019 12 19.18251 03 38 13.46 +20 41 02.4          21.1 GVEY049G96
     K19Y01J  C2019 12 19.27184 03 37 34.35 +21 01 20.5          20.7 GVEY049V06
     K19Y01J  C2019 12 19.27346 03 37 33.65 +21 01 42.6          20.5 GVEY049V06
     K19Y01J  C2019 12 19.27509 03 37 32.93 +21 02 04.6          20.7 GVEY049V06
     K19Y01J  C2019 12 19.27671 03 37 32.23 +21 02 26.6          20.6 GVEY049V06
     K19Y01J  C2019 12 19.90281 03 33 19.46 +23 23 15.3          20.2 VVEY049033
     K19Y01J  C2019 12 19.90396 03 33 18.94 +23 23 30.5          20.3 VVEY049033
     K19Y01J  C2019 12 19.90538 03 33 18.30 +23 23 49.4          20.3 VVEY049033
     K19Y01J  C2019 12 20.10674 03 32 00.26 +24 09 07.4          20.6 GVEY049I52
     K19Y01J  C2019 12 20.10820 03 31 59.58 +24 09 27.2          20.9 GVEY049I52
     K19Y01J  C2019 12 20.10965 03 31 58.97 +24 09 46.9          20.8 GVEY049I52
     K19Y01J KC2019 12 20.11061303 31 56.42 +24 09 54.2          20.6 VuEY049H21
     K19Y01J  C2019 12 20.11110 03 31 58.35 +24 10 06.2          20.6 GVEY049I52
     K19Y01J KC2019 12 20.11163403 31 55.95 +24 10 07.7          20.7 VuEY049H21
     K19Y01J KC2019 12 20.11265503 31 55.48 +24 10 21.4          20.6 VuEY049H21
     K19Y01J KC2019 12 20.11876803 31 52.75 +24 11 43.6          20.5 VuEY049H21
     K19Y01J  C2019 12 21.11004 03 25 04.74 +27 48 32.6          20.5 GVEY049I52
     K19Y01J  C2019 12 21.11129 03 25 04.15 +27 48 48.1                VEY049I52
     K19Y01J  C2019 12 21.11254 03 25 03.58 +27 49 04.4                VEY049I52
     K19Y01J  C2019 12 21.11378 03 25 03.03 +27 49 21.3          21.3 GVEY049I52
     K19Y01J KC2019 12 21.12241 03 24 58.51 +27 51 18.1                oEY049711
     K19Y01J KC2019 12 21.12503 03 24 57.42 +27 51 52.0                oEY049711
     K19Y01J KC2019 12 21.12768 03 24 56.38 +27 52 25.5                oEY049711

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.
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.
V06 Catalina Sky Survey-Kuiper.  Observer T. A. Pruyne.  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.  1.55-m reflector + CCD.

Orbital elements:
2019 YJ1                                                 Earth MOID = 0.0830 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5                  Bell
M 103.93552              (2000.0)            P               Q
n   0.74691788     Peri.   23.80892     -0.27421430     -0.88378225
a   1.2030605      Node    83.92131     +0.80971676     -0.42487327
e   0.1209568      Incl.   22.41227     +0.51881142     +0.19598889
P   1.32           H   24.6           G   0.15           U   7
Residuals in seconds of arc
191219 G96  0.1-  0.4+    191219 033  0.1+  0.0     191220 H21  0.4-  0.4+
191219 G96  0.1+  0.2-    191219 033  0.2-  0.1-    191221 I52  0.5+  0.1+
191219 G96  0.1+  0.1+    191220 I52  0.1+  0.3-    191221 I52  0.1+  0.6-
191219 G96  0.1+  0.1-    191220 I52  0.4-  0.1-    191221 I52  0.1-  0.6-
191219 V06  0.1-  0.1-    191220 I52  0.1-  0.0     191221 I52  0.0   0.2+
191219 V06  0.0   0.0     191220 H21  0.4+  0.2+    191221 711  0.9-  0.4+
191219 V06  0.1-  0.1-    191220 I52  0.2+  0.2-    191221 711  0.4+  0.4+
191219 V06  0.0   0.1-    191220 H21  0.2+  0.0     191221 711 (2.5+  0.4-)
191219 033  0.4+  0.2+    191220 H21  0.1-  0.0

Ephemeris:
2019 YJ1                 a,e,i = 1.20, 0.12, 22                  q = 1.0575
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2019 11 21    05 33 30.4 -37 23 38   0.2078  1.0988   117.3    53.1    23.3
...
2019 12 06    04 50 28.3 -21 08 42   0.1251  1.0795   136.5    39.0    21.8
...
2019 12 14    04 10 40.4 +01 08 19   0.09751 1.0714   151.9    25.6    20.9
...
2019 12 20    03 32 40.9 +23 45 30   0.09520 1.0664   148.8    28.5    20.9
2019 12 21    03 25 47.8 +27 24 56   0.09663 1.0657   146.5    30.6    21.0
2019 12 22    03 18 47.6 +30 55 41   0.09854 1.0650   144.0    32.9    21.1
...
2019 12 28    02 35 29.5 +47 56 35   0.1182  1.0615   128.8    46.2    21.8
...
2020 01 05    01 40 16.7 +60 45 36   0.1575  1.0585   114.6    57.7    22.8
...
2020 01 20    00 24 12.2 +70 50 57   0.2413  1.0583   101.4    65.7    24.0

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-Y49




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