[Iaude] MPEC Y77: 2020 YZ1 [a=2.06,e=0.48,i=12.4,H=25.0]

[mpec at marsden.cfa.harvard.edu]

M.P.E.C. 2020-Y77                             Issued 2020 December 21, 18:45 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 YZ1                                    


Observations:
     K20Y01Z* C2020 12 19.31246006 42 34.83 +41 47 07.3          21.45GVEY077G96
     K20Y01Z  C2020 12 19.31769006 42 36.39 +41 47 40.6          21.47GVEY077G96
     K20Y01Z  C2020 12 19.32293306 42 38.04 +41 48 15.7          20.78GVEY077G96
     K20Y01Z  C2020 12 19.32819306 42 39.66 +41 48 49.1          20.95GVEY077G96
     K20Y01Z KC2020 12 19.47574106 43 25.41 +42 04 16.9          21.05GVEY077I52
     K20Y01Z KC2020 12 19.47910906 43 26.55 +42 04 37.9          20.88GVEY077I52
     K20Y01Z KC2020 12 19.48247406 43 27.56 +42 04 58.5          21.09GVEY077I52
     K20Y01Z mC2020 12 21.26659306 53 46.76 +45 02 49.5          21.47GVEY077G96
     K20Y01Z mC2020 12 21.26746206 53 47.00 +45 02 54.4          20.99GVEY077G96
     K20Y01Z mC2020 12 21.26833006 53 47.28 +45 02 59.6          21.61GVEY077G96

Observer details:
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.  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 YZ1                                                 Earth MOID = 0.0942 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Pike                    
M   3.40991              (2000.0)            P               Q                  
n   0.33248338     Peri.  355.33408     +0.24946457     -0.94487300             
a   2.0635869      Node    80.10887     +0.89529584     +0.14156596             
e   0.4774338      Incl.   12.43258     +0.36907017     +0.29525259             
P   2.96           H   25.00          G   0.15           U   8                  
Residuals in seconds of arc
201219 G96  0.0+  0.3-    201219 I52  0.2-  0.2-    201221 G96  0.1-  0.1-
201219 G96 (0.5-  0.8-)   201219 I52  0.5+  0.1+    201221 G96  0.0-  0.1+
201219 G96  0.0-  0.4+    201219 I52  0.2-  0.1+
201219 G96  0.0+  0.1-    201221 G96  0.1+  0.0-

Ephemeris:
2020 YZ1                 a,e,i = 2.06, 0.48, 12                  q = 1.0784
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 21    04 32 55.9 -18 34 46   0.1333  1.0932   139.9    35.6    22.3
...
2020 12 06    05 30 36.1 +10 01 15   0.09637 1.0784   164.3    14.3    20.9
...
2020 12 14    06 12 20.5 +30 40 09   0.09941 1.0816   167.2    11.6    20.9
...
2020 12 20    06 46 29.8 +42 58 46   0.1129  1.0889   157.5    20.2    21.5
2020 12 21    06 52 12.6 +44 37 26   0.1158  1.0906   156.0    21.5    21.6
2020 12 22    06 57 53.2 +46 09 11   0.1190  1.0923   154.6    22.7    21.7
...
2020 12 28    07 30 19.3 +53 08 34   0.1409  1.1052   147.9    28.2    22.2
...
2021 01 05    08 05 47.5 +58 04 38   0.1758  1.1283   142.8    31.8    22.8
...
2021 01 20    08 43 11.0 +60 09 31   0.2526  1.1875   139.5    32.5    23.8

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-Y77