• MPC Preparation (Info)

  • MPEC 2022-Y09 : 2019 YE4

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    M.P.E.C. 2022-Y09                             Issued 2022 December 16, 14:04 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets, routine data on comets and natural satellites,
             and occasional editorial announcements.  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@CFA.HARVARD.EDU
                URL https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                    2019 YE4                                 
    
    
                               Revision to MPEC 2019-Y126                           
    
    Additional Observations:
         K19Y04E KC2022 12 01.26117205 08 57.786+07 54 15.19         21.87GVEY009I52
         K19Y04E KC2022 12 01.27303705 08 57.361+07 54 15.26         21.87GVEY009I52
         K19Y04E KC2022 12 01.28231705 08 57.088+07 54 14.98         21.33GVEY009I52
         K19Y04E KC2022 12 01.29159605 08 56.792+07 54 14.80         21.54GVEY009I52
         K19Y04E |C2022 12 15.17415 05 00 34.99 +08 38 37.0          20.9 GVEY009807
         K19Y04E |C2022 12 15.17970 05 00 34.67 +08 38 39.3          20.9 GVEY009807
         K19Y04E |C2022 12 15.18524 05 00 34.38 +08 38 41.7          20.9 GVEY009807
         K19Y04E |C2022 12 16.12161 04 59 53.27 +08 45 50.8          20.9 GVEY009807
         K19Y04E |C2022 12 16.12715 04 59 52.97 +08 45 53.6          21.0 GVEY009807
         K19Y04E |C2022 12 16.13270 04 59 52.66 +08 45 56.3          21.0 GVEY009807
    
    Observer details:
    807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes, L.
        Horn.  1.00-m f/10.0 astrograph + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer A. Serrano.  Measurers
        E. J. Christensen, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, A. D.
        Grauer, H. Groeller, J. K. Hogan, R. A. Kowalski, S. M. Larson, G. J.
        Leonard, D. Rankin, R. L. Seaman, A. Serrano, F. C. Shelly, K. W.
        Wierzchos.  1.0-m prime focus + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    221201 I52 0.04+ 0.01+    221216 807 0.06+ 0.01+    MPO545157   +0.02 days
    
    Orbital elements:
    2019 YE4                                                 Earth MOID = 0.1206 AU
    Epoch 2023 Feb. 25.0 TT = JDT 2460000.5                 Veres                   
    M   3.96840              (2000.0)            P               Q                  
    n   0.32554652     Peri.   23.76025     -0.72425724     -0.68220893             
    a   2.0927981      Node   112.83009     +0.61392720     -0.70416566             
    e   0.4748193      Incl.    6.24210     +0.31391852     -0.19682911             
    P   3.03           H   22.65          G   0.15           U   0                  
    Residuals in seconds of arc
    191228 F51  0.0   0.0     200106 G96  0.1+  0.3-    200202 C95  0.1+  0.1-
    191228 F51  0.1-  0.1+    200106 G96  0.1+  0.1+    200202 C95  0.3+  0.0
    191228 F51  0.0   0.0     200106 G96  0.2+  0.0     200202 C95  0.2+  0.6-
    191228 F51  0.0   0.1+    200106 G96  0.0   0.1-    200202 G96  0.2-  0.2+
    191228 L01  0.3+  0.5+    200106 I52  0.3+  0.1-    200202 G96  0.2-  0.2+
    191228 L01  0.7+  0.6+    200106 I52  0.2-  0.2-    200202 G96  0.2-  0.1+
    191228 L01  0.2+  0.1-    200106 I52  0.6-  0.1+    200202 G96  0.1-  0.2+
    191228 033  0.4-  0.3-    200106 I52  0.3-  0.0     200207 I52  0.1+  0.0
    191228 033  0.0   0.4-    200107 I52  0.2-  0.5+    200207 I52  0.1-  0.1-
    191228 L01  0.2+  0.1+    200107 I52  0.1+  0.6+    200207 I52  0.5-  0.2-
    191228 033  0.0   0.4-    200107 I52 (1.2+  0.4-)   200207 I52  0.5-  0.2-
    191229 033  0.1+  0.4-    200107 I52  0.0   0.3-    200220 I41  0.4+  0.1-
    191229 033  1.0-  0.3-    200118 I52  0.1+  0.4-    200220 I41  0.4+  0.2+
    191229 033  0.7-  0.6-    200118 I52  0.1+  0.0     200220 I41  0.5+  0.3-
    191229 033  0.3-  0.1-    200118 I52  0.2-  0.1-    200220 I41  0.4+  0.0
    191229 595  0.0   0.4-    200118 I52  0.0   0.3-    200220 I41  0.2+  0.1+
    191230 595  0.0   0.5-    200123 703  0.3-  1.2-    200221 734 (1.2+  1.3-)
    191230 595  0.7+  0.0     200123 703  1.3-  0.4-    200221 734  0.7-  0.1-
    191230 104 (0.9+  1.0-)   200123 703  0.6-  0.8+    200221 734  0.3+  0.6+
    191230 033  0.1-  0.1-    200123 F51  0.0   0.0     200224 L01  0.4-  0.0
    191230 K63  1.0-  0.3+    200123 F51  0.1+  0.0     200224 L01  0.0   0.1-
    191230 033  0.2-  0.1-    200123 F51  0.1+  0.0     200224 L01  0.3-  0.1+
    191230 104  0.3+  0.5-    200124 G96  0.3-  0.0     200324 G96  0.2-  0.3-
    191230 033  0.0   0.2-    200124 G96  0.2-  0.2+    200324 G96  0.0   0.3-
    191230 104  0.0   0.5-    200124 G96  0.1+  0.1-    200324 G96  0.1-  0.0
    191230 K63  0.3-  1.1-    200124 G96  0.1+  0.1+    200324 G96  0.1+  0.2-
    191230 K63  0.5-  0.4-    200126 691  0.2-  0.1+    200324 I52  0.4+  0.3-
    200101 F51  0.0   0.1+    200126 691  0.1-  0.4+    200324 I52  0.1+  0.2+
    200101 F51  0.0   0.0     200126 691  0.3-  0.4+    200324 I52  0.2+  0.0
    200101 F51  0.0   0.0     200127 734  0.9-  0.1-    200416 H21  0.3+  0.5+
    200101 F51  0.1+  0.0     200127 734  0.2+  0.1+    200416 H21  0.2-  0.1+
    200103 I52  0.4-  0.2-    200127 734  0.3+  0.3-    200416 H21  0.5-  0.3-
    200103 I52  0.0   0.2-    200127 734  0.1-  0.6-    221201 I52  0.1+  0.2-
    200103 I52  0.4-  0.0     200129 703  0.0   1.0-    221201 I52  0.5-  0.0
    200103 I52  0.2-  0.1-    200129 703  1.0+  0.6-    221201 I52  0.0   0.2-
    200104 I52  0.2-  0.0     200129 703  0.3+  0.4+    221201 I52  0.2+  0.3-
    200104 I52  0.1+  0.0     200201 703  0.5+  0.8+    221215 807  0.1+  0.0
    200104 I52  0.4-  0.4-    200201 703  0.9+  0.2-    221215 807  0.1-  0.1-
    200104 I52  0.0   0.0     200201 734  0.0   0.2+    221215 807  0.1+  0.1-
    200105 I52  0.5+  0.4+    200201 703  0.8-  0.0     221216 807  0.0   0.2-
    200105 I52  0.6+  0.1+    200201 734  0.1-  0.1-    221216 807  0.1+  0.1-
    200105 I52  0.2-  0.3-    200201 703  0.2-  0.6+    221216 807  0.0   0.1-
    200105 I52  0.5+  0.3+    200201 734  0.6+  0.1-
    
    Ephemeris:
    2019 YE4                 a,e,i = 2.09, 0.47, 6                   q = 1.0991
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2022 11 16    05 11 10.7 +08 33 32   0.4994  1.4492   152.0    18.7    22.9
    ...
    2022 12 01    05 09 03.7 +07 54 30   0.3846  1.3584   162.9    12.4    22.0
    ...
    2022 12 09    05 04 51.2 +08 05 41   0.3358  1.3126   165.3    11.0    21.6
    ...
    2022 12 15    05 00 42.7 +08 37 03   0.3047  1.2800   164.0    12.2    21.3
    2022 12 16    04 59 58.2 +08 44 35   0.2999  1.2747   163.5    12.7    21.3
    2022 12 17    04 59 13.2 +08 52 49   0.2953  1.2694   163.0    13.1    21.3
    ...
    2022 12 23    04 54 42.1 +09 58 29   0.2699  1.2391   158.8    16.7    21.2
    ...
    2022 12 31    04 49 36.2 +12 14 10   0.2420  1.2021   151.8    22.7    21.1
    ...
    2023 01 15    04 49 01.2 +19 10 21   0.2045  1.1456   138.9    34.4    20.9
    
    A. U. Tomatic                (C) Copyright 2022 MPC           M.P.E.C. 2022-Y09
    


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