[Iaude] MPEC Y59: 2020 YF1 [a=1.82,e=0.40,i=30.1,H=19.4]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sun Dec 20 10:03:52 EST 2020


M.P.E.C. 2020-Y59                             Issued 2020 December 20, 15:02 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

                                    2020 YF1                                    


Observations:
     K20Y01F* C2020 12 17.31648506 10 15.73 +29 54 54.1          20.79GVEY059G96
     K20Y01F  C2020 12 17.32190006 10 15.03 +29 54 59.0          20.77GVEY059G96
     K20Y01F  C2020 12 17.32735506 10 14.35 +29 55 04.1          20.82GVEY059G96
     K20Y01F KC2020 12 17.41880006 10 02.80 +29 56 29.4          20.94GVEY059I52
     K20Y01F KC2020 12 17.42047906 10 02.60 +29 56 31.5          21.23GVEY059I52
     K20Y01F KC2020 12 17.42383806 10 02.20 +29 56 35.2          21.02GVEY059I52
     K20Y01F 1C2020 12 17.90293 06 09 03.56 +30 03 59.0          22.0 VVEY059033
     K20Y01F 1C2020 12 17.90612 06 09 03.17 +30 04 02.2          21.9 VVEY059033
     K20Y01F 1C2020 12 17.90930 06 09 02.76 +30 04 04.9          21.7 VVEY059033
     K20Y01F 1C2020 12 17.91258 06 09 02.37 +30 04 08.2          21.7 VVEY059033
     K20Y01F KC2020 12 18.15962206 08 31.96 +30 07 57.8          21.5 VuEY059H21
     K20Y01F KC2020 12 18.17273706 08 30.34 +30 08 10.0          21.3 VuEY059H21
     K20Y01F 1C2020 12 18.84049 06 07 07.93 +30 18 22.7          22.7 VVEY059033
     K20Y01F 1C2020 12 18.84408 06 07 07.43 +30 18 25.6          22.0 VVEY059033
     K20Y01F 1C2020 12 18.84766 06 07 06.99 +30 18 29.2          22.3 VVEY059033
     K20Y01F 1C2020 12 19.10361 06 06 34.79 +30 22 21.7          21.9 VVEY059033
     K20Y01F 1C2020 12 19.10720 06 06 34.35 +30 22 25.0          21.9 VVEY059033
     K20Y01F 1C2020 12 19.11078 06 06 33.93 +30 22 27.9          22.1 VVEY059033
     K20Y01F mC2020 12 19.21977906 06 21.03 +30 24 08.5          21.14GVEY059V06
     K20Y01F mC2020 12 19.22126606 06 20.83 +30 24 10.9          21.56GVEY059V06
     K20Y01F mC2020 12 19.22275306 06 20.64 +30 24 12.7          21.26GVEY059V06
     K20Y01F 1C2020 12 20.13094 06 04 27.63 +30 37 43.7          23.4 VVEY059033
     K20Y01F 1C2020 12 20.13453 06 04 27.20 +30 37 46.7          22.6 VVEY059033
     K20Y01F 1C2020 12 20.13812 06 04 26.76 +30 37 50.1          22.7 VVEY059033
     K20Y01F 1C2020 12 20.14181 06 04 26.31 +30 37 53.0          22.7 VVEY059033
     K20Y01F KC2020 12 20.17874106 04 22.48 +30 38 28.6          20.99GVEY059V06
     K20Y01F KC2020 12 20.18111706 04 22.17 +30 38 30.7          21.05GVEY059V06
     K20Y01F KC2020 12 20.18586806 04 21.56 +30 38 35.2          21.03GVEY059V06

Observer details:
033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, U.
    Laux, B. Stecklum.  Measurer B. Stecklum.  1.34-m f/3 Schmidt + CCD.
G96 Mt. Lemmon Survey.  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.  1.5-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 D. C. Fuls.  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 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.  1.55-m reflector +
    1K CCD.

Orbital elements:
2020 YF1                                                 Earth MOID = 0.1906 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres                   
M  91.83932              (2000.0)            P               Q                  
n   0.40184375     Peri.  233.68145     +0.62087758     +0.60563603             
a   1.8187147      Node    83.09327     -0.45569122     +0.79545851             
e   0.4008468      Incl.   30.08929     -0.63785307     +0.02123119             
P   2.45           H   19.48          G   0.15           U   9                  
Residuals in seconds of arc
201217 G96  0.3+  0.2+    201218 H21  0.4-  0.7-    201219 V06  0.2+  0.3+
201217 G96  0.0+  0.1+    201218 H21  0.0-  0.8-    201220 033  0.5-  0.0+
201217 G96  0.2+  0.0+    201218 033  0.4+  0.5+    201220 033  0.2-  0.1-
201217 I52  0.0-  0.0+    201218 033  0.3-  0.0+    201220 033  0.1-  0.1+
201217 I52  0.1+  0.6+    201218 033  0.2-  0.3+    201220 033  0.0+  0.2-
201217 I52 (0.4+  1.2+)   201219 033  0.2-  0.1-    201220 V06  0.4+  0.0+
201217 033  0.4-  0.3-    201219 033  0.1-  0.0-    201220 V06  0.3+  0.0-
201217 033  0.2-  0.1-    201219 033  0.3+  0.3-    201220 V06  0.1+  0.2+
201217 033  0.4-  0.4-    201219 V06 (0.4+  1.2-)
201217 033  0.1-  0.1-    201219 V06  0.2+  0.2-

Ephemeris:
2020 YF1                 a,e,i = 1.82, 0.40, 30                  q = 1.0897
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 20    06 55 15.9 +21 58 01   1.1610  1.9869   135.0    20.6    22.3
...
2020 12 05    06 34 04.1 +26 24 55   1.1166  2.0532   155.2    11.6    22.0
...
2020 12 13    06 19 00.5 +28 44 45   1.1182  2.0869   165.9     6.6    21.8
...
2020 12 19    06 06 48.0 +30 20 50   1.1328  2.1114   171.9     3.8    21.7
2020 12 20    06 04 44.3 +30 35 50   1.1364  2.1155   172.3     3.6    21.7
2020 12 21    06 02 40.6 +30 50 31   1.1403  2.1195   172.5     3.5    21.7
...
2020 12 27    05 50 28.4 +32 11 21   1.1705  2.1431   168.5     5.2    21.9
...
2021 01 04    05 35 23.7 +33 38 58   1.2280  2.1736   158.7     9.5    22.2
...
2021 01 19    05 14 04.4 +35 27 38   1.3826  2.2276   139.9    16.5    22.8

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-Y59




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