[Iaude] MPEC Y50: 2020 YZ [a=1.03,e=0.27,i=32.5,H=21.5]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sat Dec 19 02:17:58 EST 2020


M.P.E.C. 2020-Y50                             Issued 2020 December 19, 07:16 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 YZ                                     


Observations:
     K20Y00Z  C2020 12 11.52571309 27 15.717+30 26 17.89         21.82GVEY050F52
     K20Y00Z  C2020 12 11.53664909 27 16.434+30 26 58.90         21.19GVEY050F52
     K20Y00Z* C2020 12 18.44619409 35 07.30 +38 28 00.7          21.35GVEY050G96
     K20Y00Z  C2020 12 18.45249809 35 07.64 +38 28 29.2          21.00GVEY050G96
     K20Y00Z  C2020 12 18.45880809 35 07.98 +38 28 58.2          20.57GVEY050G96
     K20Y00Z  C2020 12 18.46513009 35 08.28 +38 29 27.2          21.26GVEY050G96
     K20Y00Z KC2020 12 18.52364609 35 11.41 +38 33 53.0          21.19GVEY050I52
     K20Y00Z KC2020 12 18.52616609 35 11.55 +38 34 04.0          20.20GVEY050I52
     K20Y00Z KC2020 12 18.52868709 35 11.70 +38 34 16.2          20.75GVEY050I52
     K20Y00Z KC2020 12 18.53120809 35 11.81 +38 34 27.2          21.05GVEY050I52
     K20Y00Z 1C2020 12 18.99138 09 35 41.73 +39 09 28.8          22.3 VVEY050033
     K20Y00Z 1C2020 12 18.99456 09 35 41.94 +39 09 43.7          22.0 VVEY050033
     K20Y00Z 1C2020 12 18.99774 09 35 42.10 +39 09 58.4          21.8 VVEY050033
     K20Y00Z 1C2020 12 19.00121 09 35 42.28 +39 10 14.2          21.9 VVEY050033
     K20Y00Z 1C2020 12 19.17735 09 35 51.82 +39 23 49.4          22.2 VVEY050033
     K20Y00Z 1C2020 12 19.18070 09 35 52.02 +39 24 05.0          22.3 VVEY050033
     K20Y00Z 1C2020 12 19.18406 09 35 52.25 +39 24 20.9          23.0 VVEY050033
     K20Y00Z 1C2020 12 19.18760 09 35 52.39 +39 24 36.7          23.4 VVEY050033

Observer details:
033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, U.
    Laux, B. Stecklum.  Measurer B. Stecklum.  1.34-m f/3 Schmidt + CCD.
F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, K. Chambers, T. Dukes, T.
    Lowe, A. Schultz, M. Willman.  Measurers S. Chastel, M. Huber, Y.
    Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + 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.

Orbital elements:
2020 YZ                                                  Earth MOID = 0.2615 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Bell                    
M 199.99846              (2000.0)            P               Q                  
n   0.94182279     Peri.  180.67372     -0.02704135     +0.84350399             
a   1.0307577      Node    87.88200     -0.91461751     +0.19568974             
e   0.2663886      Incl.   32.46664     -0.40341490     -0.50020650             
P   1.05           H   21.52          G   0.15           U   8                  
Residuals in seconds of arc
201211 F52  0.0+  0.4+    201218 I52  0.0-  0.0+    201218 033  0.4+  0.1+
201211 F52  0.0-  0.4-    201218 I52  0.0+  0.4-    201219 033  0.2+  0.2-
201218 G96  0.0-  0.0+    201218 I52  0.2+  0.4+    201219 033  0.6-  0.3-
201218 G96  0.0+  0.2-    201218 I52  0.1-  0.0-    201219 033  0.3-  0.1-
201218 G96  0.1+  0.0+    201218 033  0.2+  0.1+    201219 033  0.2+  0.3+
201218 G96  0.3-  0.2+    201218 033  0.6+  0.2+    201219 033  0.4-  0.2-

Ephemeris:
2020 YZ                  a,e,i = 1.03, 0.27, 32                  q = 0.7562
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 19    08 55 44.9 +13 44 58   0.6409  1.3043   104.3    47.2    22.9
...
2020 12 04    09 17 30.3 +23 23 17   0.5150  1.3038   117.2    42.3    22.3
...
2020 12 12    09 27 49.6 +30 56 22   0.4584  1.2992   124.3    38.8    21.9
...
2020 12 18    09 34 39.0 +37 54 14   0.4242  1.2939   129.1    36.2    21.7
2020 12 19    09 35 41.3 +39 10 12   0.4194  1.2929   129.7    35.8    21.7
2020 12 20    09 36 41.7 +40 27 50   0.4148  1.2918   130.4    35.5    21.6
...
2020 12 26    09 41 55.2 +48 43 38   0.3934  1.2842   133.0    34.1    21.5
...
2021 01 03    09 45 37.3 +60 26 53   0.3820  1.2716   132.2    35.0    21.4
...
2021 01 18    09 16 47.2 +79 59 47   0.4094  1.2403   120.0    43.4    21.7

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-Y50




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