[Iaude] MPEC Y31: 2020 YF [a=0.85,e=0.16,i=2.7,H=29.1]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Thu Dec 17 18:31:39 EST 2020


M.P.E.C. 2020-Y31                             Issued 2020 December 17, 23:30 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 YF                                     


Observations:
     K20Y00F*HC2020 12 17.21107506 35 08.57 +41 33 32.9          18.32GVEY031703
     K20Y00F HC2020 12 17.22729806 32 32.59 +41 27 45.1          17.92GVEY031703
     K20Y00F mC2020 12 17.25676206 27 44.06 +41 15 56.7          16.75GVEY031I52
     K20Y00F mC2020 12 17.25700806 27 41.61 +41 15 50.3          16.70GVEY031I52
     K20Y00F mC2020 12 17.25725506 27 39.27 +41 15 44.5          17.79GVEY031I52
     K20Y00F HC2020 12 17.33513306 14 31.98 +40 35 58.3                VEY031I52
     K20Y00F HC2020 12 17.33538306 14 29.46 +40 35 49.8          16.80GVEY031I52
     K20Y00F tC2020 12 17.70913 05 20 06.60 +35 39 36.2          17.1 GVEY031N88
     K20Y00F tC2020 12 17.70941 05 20 03.80 +35 39 21.1          16.9 GVEY031N88
     K20Y00F tC2020 12 17.70969 05 20 01.10 +35 39 06.0          17.5 GVEY031N88
     K20Y00F tC2020 12 17.70997 05 19 58.15 +35 38 49.7          17.3 GVEY031N88
     K20Y00F tC2020 12 17.71028 05 19 55.21 +35 38 33.4          17.1 GVEY031N88
     K20Y00F 1C2020 12 17.74633 05 16 32.39 +34 45 50.1          18.0 VVEY031033
     K20Y00F 1C2020 12 17.74656 05 16 30.29 +34 45 38.0          19.1 VVEY031033
     K20Y00F 1C2020 12 17.74680 05 16 28.25 +34 45 26.2          18.0 VVEY031033
     K20Y00F 1C2020 12 17.74729 05 16 23.84 +34 45 01.3          17.3 VVEY031033
     K20Y00F 1C2020 12 17.74770 05 16 20.11 +34 44 40.0          18.3 VVEY031033
     K20Y00F KC2020 12 17.75225 05 16 08.98 +34 40 46.3          16.4 GVEY031958
     K20Y00F KC2020 12 17.75724 05 15 24.85 +34 36 35.1          16.8 GVEY031958
     K20Y00F KC2020 12 17.76225 05 14 40.37 +34 32 20.2          17.6 GVEY031958
     K20Y00F KC2020 12 17.82833 05 04 04.56 +33 31 56.4          17.0 GVEY031K74
     K20Y00F KC2020 12 17.84014 05 02 14.26 +33 20 30.4          17.3 GVEY031K74
     K20Y00F KC2020 12 17.84347 05 01 43.11 +33 17 14.3          17.1 GVEY031K74
     K20Y00F KC2020 12 17.84528 05 01 26.20 +33 15 27.7          17.1 GVEY031K74
     K20Y00F KC2020 12 17.89668 04 53 15.58 +32 22 12.4          16.2 RVEY031113
     K20Y00F KC2020 12 17.89695 04 53 13.05 +32 21 55.0          16.1 RVEY031113
     K20Y00F KC2020 12 17.89722 04 53 10.54 +32 21 37.7          15.5 RVEY031113
     K20Y00F KC2020 12 17.89748 04 53 08.01 +32 21 20.3          15.9 RVEY031113
     K20Y00F KC2020 12 17.89775 04 53 05.48 +32 21 03.1          15.9 RVEY031113
     K20Y00F KC2020 12 17.89802 04 53 03.04 +32 20 46.6          15.7 RVEY031113
     K20Y00F KC2020 12 17.89829 04 53 00.40 +32 20 28.4          15.7 RVEY031113

Observer details:
033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, U.
    Laux, B. Stecklum.  Measurer B. Stecklum.  1.34-m f/3 Schmidt + CCD.
113 Volkssternwarte Drebach, Schoenbrunn.  Observer G. Lehmann.  0.5-m f/4.6
    reflector + CCD.
703 Catalina Sky Survey.  Observer K. W. Wierzchos.  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.  0.68-m Schmidt + 10K
    CCD.
958 Observatoire de Dax.  Observer P. Dupouy.  0.32-m Schmidt-Cassegrain +
    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.
K74 Muensterschwarzach Observatory, Schwarzach.  Observer C. Gerhard.  0.30-m
    f/3.75 Newtonian reflector + CCD.
N88 Xingming Observatory #3, Nanshan.  Observer X. Gao.  Measurer Q.-Z. Ye.
    0.6-m f/8 Ritchey-Chretien + CCD.

Orbital elements:
2020 YF                                                  Earth MOID = 0.0025 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres                   
M 187.98570              (2000.0)            P               Q                  
n   1.24801681     Peri.  352.67037     -0.18430295     +0.98175632             
a   0.8543892      Node   266.70098     -0.89937132     -0.18764605             
e   0.1565957      Incl.    2.68486     -0.39643872     -0.03071624             
P   0.79           H   29.11          G   0.15           U   6                  
Residuals in seconds of arc
201217 703 (4.4-  1.5-)   201217 N88  0.5+  0.1+    201217 K74 (1.4+  0.6+)
201217 703 (3.8-  0.5-)   201217 033  0.9-  0.3-    201217 K74 (1.9+  1.0+)
201217 I52  0.5-  0.1+    201217 033  1.2-  0.6-    201217 113  0.2+  0.3+
201217 I52  0.6-  0.1+    201217 033  0.3+  0.1-    201217 113  0.2+  0.3+
201217 I52  0.6+  0.6+    201217 033  0.3+  0.2+    201217 113  0.5+  0.3+
201217 I52  0.1+  0.5-    201217 033  0.1-  0.0-    201217 113  0.6-  0.3-
201217 I52  0.5+  0.1-    201217 958  0.0+  0.1+    201217 113  0.6-  0.2-
201217 N88  0.2+  0.4-    201217 958  0.2+  0.0+    201217 113  0.6+  0.7+
201217 N88  0.1-  0.1-    201217 958 (0.2+  1.1-)   201217 113  0.8-  0.1-
201217 N88  0.9+  0.2+    201217 K74  0.0+  0.2-
201217 N88  1.2-  0.7-    201217 K74 (1.0+  0.8+)

Ephemeris:
2020 YF                  a,e,i = 0.85, 0.16, 3                   q = 0.7206
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 17    11 51 45.5 +28 12 03   0.04883 0.9737    70.7   106.6    26.5
...
2020 12 02    11 36 50.3 +30 23 42   0.02653 0.9854    88.3    90.2    24.4
...
2020 12 10    11 12 01.2 +33 41 27   0.01386 0.9877   101.7    77.5    22.5
...
2020 12 16    08 49 00.7 +43 34 36   0.0046110.9875   135.5    44.3    19.1
2020 12 17    07 02 16.1 +42 54 25   0.0034840.9872   154.0    25.9    18.0
2020 12 18    04 38 44.0 +30 43 50   0.0029710.9868   163.8    16.1    17.3
...
2020 12 24    00 28 36.5 -22 06 14   0.01040 0.9828    85.3    94.1    22.5
...
2021 01 01    23 51 36.2 -28 25 29   0.02307 0.9748    68.0   110.8    25.1
...
2021 01 16    23 25 04.7 -31 10 21   0.04666 0.9535    48.7   129.2    28.0

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-Y31




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