[Iaude] MPEC Y47: 2020 YU [a=0.77,e=0.40,i=31.6,H=25.6]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Fri Dec 18 18:34:47 EST 2020


M.P.E.C. 2020-Y47                             Issued 2020 December 18, 23:33 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 YU                                     


Observations:
     K20Y00U  C2020 12 17.32292 09 57 27.35 +45 55 08.9          19.4 GVEY047703
     K20Y00U  C2020 12 17.33366 09 57 14.50 +45 52 47.0                VEY047703
     K20Y00U* C2020 12 18.44619409 28 11.22 +38 57 02.3          18.71GVEY047G96
     K20Y00U  C2020 12 18.45249809 27 56.36 +38 53 17.9          18.73GVEY047G96
     K20Y00U  C2020 12 18.46513009 27 26.51 +38 45 43.1          18.86GVEY047G96
     K20Y00U KC2020 12 18.47968509 26 51.73 +38 36 49.7          18.18GVEY047I52
     K20Y00U KC2020 12 18.48016609 26 50.56 +38 36 31.3          18.48GVEY047I52
     K20Y00U KC2020 12 18.48064509 26 49.41 +38 36 13.5          18.00GVEY047I52
     K20Y00U KC2020 12 18.48112509 26 48.29 +38 35 56.2          18.20GVEY047I52
     K20Y00U KC2020 12 18.53282409 24 42.36 +38 02 53.6          17.87GVEY047I52
     K20Y00U KC2020 12 18.53341009 24 40.91 +38 02 30.2          17.85GVEY047I52
     K20Y00U KC2020 12 18.53399309 24 39.47 +38 02 07.2          17.98GVEY047I52
     K20Y00U KC2020 12 18.53457409 24 38.04 +38 01 44.1          17.80GVEY047I52
     K20Y00U  C2020 12 18.78067 09 15 04.93 +34 56 30.3          18.4 GVEY047N88
     K20Y00U  C2020 12 18.78096 09 15 04.04 +34 56 14.5          18.5 GVEY047N88
     K20Y00U  C2020 12 18.78127 09 15 03.18 +34 55 59.6          18.4 GVEY047N88
     K20Y00U  C2020 12 18.78159 09 15 02.33 +34 55 44.4          18.7 GVEY047N88
     K20Y00U  C2020 12 18.78189 09 15 01.43 +34 55 28.8          18.5 GVEY047N88
     K20Y00U 1C2020 12 18.90535 09 09 18.05 +32 59 55.1          19.4 VVEY047033
     K20Y00U 1C2020 12 18.90570 09 09 16.99 +32 59 35.1          19.5 VVEY047033
     K20Y00U 1C2020 12 18.90604 09 09 15.96 +32 59 14.8          19.5 VVEY047033
     K20Y00U KC2020 12 18.91879 09 08 37.20 +32 46 55.8          17.5 RVEY047113
     K20Y00U KC2020 12 18.92004 09 08 33.36 +32 45 42.2          17.4 RVEY047113
     K20Y00U KC2020 12 18.92128 09 08 29.57 +32 44 28.8          17.4 RVEY047113
     K20Y00U KC2020 12 18.92253 09 08 25.72 +32 43 14.7          17.3 RVEY047113
     K20Y00U KC2020 12 18.92378 09 08 21.94 +32 42 01.1          17.4 RVEY047113
     K20Y00U KC2020 12 18.92503 09 08 18.08 +32 40 47.0          17.5 RVEY047113

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 K. W.
    Wierzchos, B. Gray, D. Rankin, F. C. Shelly.  1.5-m reflector + 10K 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.
I52 Steward Observatory, Mt. Lemmon Station.  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.  1.0-m 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 YU                                                  Earth MOID = 0.0075 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
M 236.93900              (2000.0)            P               Q
n   1.45740391     Peri.  330.20548     -0.45102873     +0.72243470
a   0.7704588      Node   268.14116     -0.67955187     -0.65864614
e   0.4034297      Incl.   31.62498     -0.57860379     +0.21041240
P   0.68           H   25.6           G   0.15           U   7
Residuals in seconds of arc
201217 703  0.2+  0.8+    201218 I52  0.0   0.2+    201218 033  0.4+  0.3+
201217 703  0.1-  0.9-    201218 I52  0.0   0.0     201218 033  0.3+  0.6+
201218 G96  0.2-  0.4-    201218 I52  0.0   0.2+    201218 033  0.2+  0.0
201218 G96  0.5-  0.4-    201218 I52  0.0   0.1+    201218 113  0.1-  0.2-
201218 G96  0.2+  0.0     201218 N88  0.2+  0.4+    201218 113  0.3-  0.1-
201218 I52  0.1+  0.5+    201218 N88  0.6-  0.9-    201218 113  0.2-  0.3-
201218 I52  0.0   0.1-    201218 N88  0.4-  0.2-    201218 113  0.4-  0.4-
201218 I52  0.0   0.2-    201218 N88  0.4+  0.6+    201218 113  0.4+  0.0
201218 I52  0.3+  0.3+    201218 N88  0.2-  0.1+    201218 113  0.2+  0.1+

Ephemeris:
2020 YU                  a,e,i = 0.77, 0.40, 32                  q = 0.4596
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 18    10 40 20.4 +56 25 36   0.3192  1.0761    97.2    65.7    25.6
...
2020 12 03    10 47 10.8 +55 04 23   0.1745  1.0491   106.6    64.2    24.2
...
2020 12 11    10 40 05.0 +53 26 15   0.09419 1.0252   113.0    62.1    22.7
...
2020 12 17    10 02 40.0 +47 02 50   0.03378 1.0029   123.1    55.3    20.3
2020 12 18    09 42 00.2 +42 31 31   0.02401 0.9988   127.6    51.3    19.4
2020 12 19    09 04 03.3 +31 27 34   0.01482 0.9946   136.1    43.3    18.1
...
2020 12 25    00 12 00.9 -61 01 38   0.04930 0.9672    69.4   107.9    23.0
...
2021 01 02    23 26 37.1 -58 21 56   0.1297  0.9247    59.7   113.3    25.4
...
2021 01 17    22 55 59.4 -56 40 07   0.2789  0.8271    48.8   116.5    27.0

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-Y47




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