[Iaude] MPEC Y122: 2020 YY3 [a=1.17,e=0.29,i=4.1,H=26.4]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Thu Dec 24 17:44:12 EST 2020


M.P.E.C. 2020-Y122                            Issued 2020 December 24, 22:43 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 YY3                                    


Observations:
     K20Y03Y* C2020 12 22.30858906 07 04.98 -12 18 41.1          20.49GVEY122G96
     K20Y03Y  C2020 12 22.31416006 07 04.33 -12 17 50.7          20.63GVEY122G96
     K20Y03Y  C2020 12 22.31974606 07 03.64 -12 16 59.5          20.85GVEY122G96
     K20Y03Y  C2020 12 22.32537706 07 02.96 -12 16 07.5          20.66GVEY122G96
     K20Y03Y KC2020 12 22.41130006 06 53.23 -12 03 02.6          21.09GVEY122I52
     K20Y03Y KC2020 12 22.41256306 06 53.11 -12 02 52.0          21.09GVEY122I52
     K20Y03Y KC2020 12 22.41382506 06 52.96 -12 02 40.0          20.50GVEY122I52
     K20Y03Y KC2020 12 22.41508506 06 52.84 -12 02 28.6          20.63GVEY122I52
     K20Y03Y |C2020 12 23.25924 06 06 27.18 -10 04 08.3          20.5 VuEY122807
     K20Y03Y |C2020 12 23.26355 06 06 26.75 -10 03 36.2          20.8 VuEY122807
     K20Y03Y |C2020 12 23.26784 06 06 26.33 -10 03 04.3          20.7 VuEY122807
     K20Y03Y |C2020 12 24.24749 06 06 01.14 -08 12 46.3          21.1 VuEY122807
     K20Y03Y |C2020 12 24.25165 06 06 00.77 -08 12 20.6          21.2 VuEY122807
     K20Y03Y |C2020 12 24.25568 06 06 00.42 -08 11 55.5          21.1 VuEY122807
     K20Y03Y KC2020 12 24.32465106 06 01.51 -08 08 01.9                VEY122I52
     K20Y03Y KC2020 12 24.32983506 06 01.09 -08 07 30.7          20.54GVEY122I52

Observer details:
807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes.
    0.61-m f/6.5 astrograph + 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.
I52 Steward Observatory, Mt. Lemmon Station.  Observers G. J. Leonard, 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.  1.0-m reflector + CCD.

Orbital elements:
2020 YY3                                                 Earth MOID = 0.0134 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Bell                    
M  44.49286              (2000.0)            P               Q                  
n   0.78280853     Peri.  118.82008     +0.97883718     -0.19303360             
a   1.1660013      Node   252.37806     +0.15395304     +0.91334298             
e   0.2886389      Incl.    4.08778     +0.13481928     +0.35852842             
P   1.26           H   26.43          G   0.15           U   7                  
Residuals in seconds of arc
201222 G96  0.0-  0.2+    201222 I52  0.2-  0.2+    201224 807  0.1+  0.1-
201222 G96  0.3+  0.3-    201222 I52  0.1-  0.1+    201224 807  0.0+  0.1+
201222 G96  0.1+  0.3-    201223 807  0.2-  0.3+    201224 I52  0.3-  0.3+
201222 G96  0.2+  0.1+    201223 807  0.2-  0.0-    201224 I52  0.3+  0.0-
201222 I52  0.1-  0.6+    201223 807  0.2-  0.3-
201222 I52  0.1+  0.3-    201224 807  0.2+  0.1-

Ephemeris:
2020 YY3                 a,e,i = 1.17, 0.29, 4                   q = 0.8294
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 24    17 55 24.0 -15 06 16   0.1064  0.8949    28.2   148.6    29.5
...
2020 12 09    17 54 21.4 -32 36 49   0.03130 0.9547    14.8   164.7    31.8
...
2020 12 17    06 17 51.3 -43 47 32   0.01714 0.9907   112.3    66.8    19.9
...
2020 12 23    06 06 40.1 -10 38 29   0.04212 1.0188   145.9    32.7    21.0
2020 12 24    06 06 11.0 -08 39 57   0.04681 1.0235   147.9    30.7    21.2
2020 12 25    06 05 47.9 -07 01 55   0.05156 1.0283   149.5    29.0    21.3
...
2020 12 31    06 04 42.9 -01 02 48   0.08108 1.0569   154.3    23.8    22.2
...
2021 01 08    06 05 06.5 +02 55 59   0.1230  1.0952   154.1    23.1    23.2
...
2021 01 23    06 10 58.8 +07 10 06   0.2113  1.1657   146.2    28.0    24.6

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-Y122




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