[Iaude] MPEC Y100: 2020 YZ2 [a=2.27,e=0.56,i=8.4,H=24.4]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Tue Dec 22 23:22:52 EST 2020


M.P.E.C. 2020-Y100                            Issued 2020 December 23, 04:21 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 YZ2                                    


Observations:
     K20Y02Z* C2020 12 21.19884004 20 55.68 +01 42 09.1          20.57GVEY100G96
     K20Y02Z  C2020 12 21.20443904 20 58.94 +01 43 11.5          20.75GVEY100G96
     K20Y02Z  C2020 12 21.21004004 21 02.15 +01 44 13.8          20.28GVEY100G96
     K20Y02Z  C2020 12 21.21562904 21 05.36 +01 45 15.8          19.82GVEY100G96
     K20Y02Z KC2020 12 21.37881304 22 39.69 +02 15 24.2          19.64GVEY100I52
     K20Y02Z KC2020 12 21.37979904 22 40.27 +02 15 35.1          19.88GVEY100I52
     K20Y02Z KC2020 12 21.38078304 22 40.84 +02 15 45.7          19.76GVEY100I52
     K20Y02Z KC2020 12 21.38177004 22 41.43 +02 15 57.0          19.70GVEY100I52
     K20Y02Z |C2020 12 22.16310 04 30 35.92 +04 39 18.9          20.4 GVEY100807
     K20Y02Z |C2020 12 22.16803 04 30 38.67 +04 40 11.5          20.8 GVEY100807
     K20Y02Z |C2020 12 22.17051 04 30 40.05 +04 40 37.7          20.4 GVEY100807
     K20Y02Z KC2020 12 22.17092704 30 44.44 +04 38 51.3          20.05GVEY100I52
     K20Y02Z KC2020 12 22.17191304 30 45.00 +04 39 02.2          19.85GVEY100I52
     K20Y02Z KC2020 12 22.17289804 30 45.53 +04 39 12.4          19.72GVEY100I52
     K20Y02Z KC2020 12 22.17388404 30 46.10 +04 39 22.9          19.59GVEY100I52
     K20Y02Z KC2020 12 22.19323304 30 56.41 +04 42 45.7          20.1 VqEY100858
     K20Y02Z KC2020 12 22.20357604 31 02.14 +04 44 36.1          20.5 VqEY100858
     K20Y02Z KC2020 12 22.21062504 31 06.10 +04 45 50.9          20.9 VqEY100858
     K20Y02Z KC2020 12 23.11090504 39 52.99 +07 21 40.6                uEY100H21
     K20Y02Z KC2020 12 23.11381904 39 54.58 +07 22 10.4          20.0 VuEY100H21
     K20Y02Z KC2020 12 23.11731504 39 56.48 +07 22 45.8          20.2 VuEY100H21

Observer details:
807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes.
    1.00-m f/10.0 astrograph + CCD.
858 Tebbutt Observatory, Edgewood.  Observer F. B. Zoltowski.  0.51-m Schmidt-
    Cassegrain + CCD.
G96 Mt. Lemmon Survey.  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.  1.5-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 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.  1.0-m
    reflector + CCD.

Orbital elements:
2020 YZ2                                                 Earth MOID = 0.0646 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Pan                     
M   5.71838              (2000.0)            P               Q                  
n   0.28859002     Peri.  321.62371     +0.50467752     -0.85107640             
a   2.2678545      Node    97.62714     +0.82376539     +0.42455494             
e   0.5557104      Incl.    8.40106     +0.25828509     +0.30890463             
P   3.42           H   24.43          G   0.15           U   7                  
Residuals in seconds of arc
201221 G96  0.0-  0.0+    201221 I52  0.1-  0.1+    201222 I52  0.0-  0.0-
201221 G96  0.4+  0.1+    201222 807  0.0-  0.0-    201222 858  0.1+  0.3+
201221 G96  0.1+  0.0+    201222 807  0.1+  0.0+    201222 858  0.4-  0.4+
201221 G96  0.0-  0.2-    201222 807  0.1+  0.2-    201222 858  0.1+  0.2+
201221 I52  0.1-  0.1-    201222 I52  0.1-  0.0-    201223 H21  0.0+  0.3-
201221 I52  0.1-  0.1-    201222 I52  0.0+  0.3+    201223 H21  0.2+  0.1-
201221 I52  0.2-  0.3-    201222 I52  0.3-  0.0+    201223 H21  0.2+  0.2-

Ephemeris:
2020 YZ2                 a,e,i = 2.27, 0.56, 8                   q = 1.0076
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 23    23 56 43.3 -47 16 51   0.1512  1.0090    93.9    77.5    23.1
...
2020 12 08    01 54 08.4 -34 56 25   0.09318 1.0170   107.5    67.5    21.7
...
2020 12 16    03 23 58.3 -15 02 14   0.07729 1.0356   130.1    46.7    20.7
...
2020 12 22    04 28 59.4 +04 09 03   0.08173 1.0556   150.5    27.3    20.3
2020 12 23    04 38 46.4 +07 03 42   0.08396 1.0594   153.5    24.5    20.3
2020 12 24    04 48 10.8 +09 48 33   0.08657 1.0633   156.1    22.0    20.3
...
2020 12 30    05 36 23.2 +22 32 49   0.1089  1.0893   166.1    12.6    20.5
...
2021 01 07    06 21 00.0 +31 33 21   0.1510  1.1301   165.4    12.6    21.3
...
2021 01 22    07 08 02.3 +37 12 59   0.2529  1.2210   157.0    18.4    22.8

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-Y100




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