[Iaude] MPEC Y75: 2019 YJ2 [a=2.56,e=0.62,i=10.3,H=23.7]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sun Dec 22 19:38:34 EST 2019


M.P.E.C. 2019-Y75                             Issued 2019 December 23, 00:37 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 YJ2                                    


Observations:
     K19Y02J* C2019 12 20.40813 08 50 34.44 +11 24 24.2          21.5 GVEY075G96
     K19Y02J  C2019 12 20.41324 08 50 34.34 +11 24 50.1          21.2 GVEY075G96
     K19Y02J  C2019 12 20.41837 08 50 34.19 +11 25 17.4          21.5 GVEY075G96
     K19Y02J  C2019 12 20.42348 08 50 34.16 +11 25 43.5          21.5 GVEY075G96
     K19Y02J  C2019 12 20.46552 08 50 33.13 +11 29 15.5                VEY075I52
     K19Y02J  C2019 12 20.46885 08 50 33.01 +11 29 33.4                VEY075I52
     K19Y02J  C2019 12 20.47218 08 50 33.00 +11 29 49.0          21.7 GVEY075I52
     K19Y02J  C2019 12 20.47551 08 50 32.87 +11 30 06.3          21.6 GVEY075I52
     K19Y02J 2C2019 12 20.66098 08 50 30.84 +11 45 49.4          20.6 RtEY075F65
     K19Y02J 2C2019 12 20.66290 08 50 30.79 +11 45 59.2          20.6 RtEY075F65
     K19Y02J 2C2019 12 20.66478 08 50 30.73 +11 46 08.3          20.4 RtEY075F65
     K19Y02J |C2019 12 21.30189 08 50 29.04 +12 39 24.3          21.3 GVEY075807
     K19Y02J |C2019 12 21.30754 08 50 28.90 +12 39 51.7          21.3 GVEY075807
     K19Y02J |C2019 12 21.31320 08 50 28.75 +12 40 19.1          21.3 GVEY075807
     K19Y02J  C2019 12 21.33754 08 50 30.10 +12 41 22.9          21.8 GVEY075V06
     K19Y02J  C2019 12 21.33932 08 50 30.06 +12 41 31.8          21.2 GVEY075V06
     K19Y02J  C2019 12 21.34109 08 50 30.00 +12 41 40.3          21.7 GVEY075V06
     K19Y02J KC2019 12 21.39797 08 50 28.22 +12 46 19.8                oEY075711
     K19Y02J KC2019 12 21.40125 08 50 28.11 +12 46 35.8                oEY075711
     K19Y02J KC2019 12 21.40449 08 50 28.04 +12 46 52.2                oEY075711
     K19Y02J KC2019 12 21.40714 08 50 27.97 +12 47 04.7                oEY075711
     K19Y02J KC2019 12 22.30174508 50 19.30 +13 57 51.2          21.3 VuEY075H21
     K19Y02J KC2019 12 22.30784308 50 19.13 +13 58 19.6          21.9 VuEY075H21
     K19Y02J KC2019 12 22.31394108 50 18.92 +13 58 48.2          21.1 VuEY075H21
     K19Y02J KC2019 12 22.34033 08 50 18.99 +14 00 57.8                oEY075711
     K19Y02J KC2019 12 22.34375 08 50 18.86 +14 01 14.3                oEY075711
     K19Y02J KC2019 12 22.34716 08 50 18.79 +14 01 29.5                oEY075711

Observer details:
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.  
    1.00-m f/10.0 astrograph + CCD.
F65 Haleakala-Faulkes Telescope North.  Observer P. Breitenstein.  2.0-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.  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.  1.0-m reflector + CCD.
V06 Catalina Sky Survey-Kuiper.  Observer 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.  1.55-m reflector + CCD.

Orbital elements:
2019 YJ2                                                 Earth MOID = 0.0807 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5                  Bell
M  48.18420              (2000.0)            P               Q
n   0.24050865     Peri.  310.32217     +0.64372565     -0.74461065
a   2.5608388      Node    98.69412     +0.74507063     +0.55719530
e   0.6154793      Incl.   10.28875     +0.17460542     +0.36754372
P   4.10           H   23.7           G   0.15           U   8
Residuals in seconds of arc
191220 G96  0.2-  0.8-    191220 F65  0.2-  0.3+    191221 711  0.3+  0.0
191220 G96  0.0   0.9-    191220 F65  0.5-  0.1+    191221 711  0.6+  0.6+
191220 G96  0.4-  0.4+    191221 807  0.2-  0.0     191221 711  0.7+  0.3+
191220 G96  0.9+  0.5+    191221 807  0.0   0.2-    191222 H21  0.1+  0.1+
191220 I52  0.1+  0.2-    191221 807  0.1+  0.3-    191222 H21  0.2+  0.1-
191220 I52  0.6-  0.9+    191221 V06  0.1-  0.3-    191222 H21  0.2-  0.0
191220 I52  0.4+  0.3-    191221 V06  0.0   0.1-    191222 711  0.3-  0.1-
191220 I52  0.4-  0.2+    191221 V06  0.3-  0.3-    191222 711  0.6-  0.4+
191220 F65  0.1-  0.1+    191221 711  0.6+  0.1-    191222 711  0.1-  0.3-

Ephemeris:
2019 YJ2                 a,e,i = 2.56, 0.62, 10                  q = 0.9847
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2019 11 23    08 03 55.9 -50 30 06   0.1142  0.9947    90.3    83.1    21.9
...
2019 12 08    08 43 48.9 -11 31 45   0.1230  1.0424   114.6    59.2    21.4
...
2019 12 16    08 49 58.4 +04 33 24   0.1463  1.0816   128.6    45.3    21.4
...
2019 12 22    08 50 22.0 +13 34 35   0.1699  1.1161   138.1    36.0    21.6
2019 12 23    08 50 08.2 +14 51 32   0.1743  1.1222   139.6    34.6    21.6
2019 12 24    08 49 50.0 +16 05 05   0.1788  1.1284   141.1    33.2    21.6
...
2019 12 30    08 46 39.1 +22 21 19   0.2085  1.1676   149.4    25.4    21.8
...
2020 01 07    08 39 54.9 +28 18 47   0.2549  1.2241   158.7    17.0    22.1
...
2020 01 22    08 25 37.8 +34 17 31   0.3642  1.3396   165.4    10.7    22.8

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-Y75




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