[Iaude] MPEC Y61: 2020 YH1 [a=0.94,e=0.12,i=11.3,H=27.1]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sun Dec 20 10:25:38 EST 2020


M.P.E.C. 2020-Y61                             Issued 2020 December 20, 15:24 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 YH1                                    


Observations:
     K20Y01H* C2020 12 19.31012007 08 31.96 +43 24 17.9          21.12GVEY061G96
     K20Y01H  C2020 12 19.31534607 08 27.86 +43 23 18.0                VEY061G96
     K20Y01H  C2020 12 19.32059407 08 23.68 +43 22 18.2          20.37GVEY061G96
     K20Y01H  C2020 12 19.32584407 08 19.47 +43 21 18.0          21.23GVEY061G96
     K20Y01H KC2020 12 19.50726507 05 56.86 +42 44 49.1                VEY061I52
     K20Y01H KC2020 12 19.50923807 05 55.38 +42 44 24.0          20.05GVEY061I52
     K20Y01H KC2020 12 19.51121107 05 53.96 +42 43 59.0          20.45GVEY061I52
     K20Y01H 1C2020 12 19.91693 07 01 33.12 +41 19 35.5                VEY061246
     K20Y01H 1C2020 12 19.91729 07 01 32.87 +41 19 31.1                VEY061246
     K20Y01H 1C2020 12 19.91765 07 01 32.63 +41 19 25.6                VEY061246
     K20Y01H 1C2020 12 19.91837 07 01 32.10 +41 19 16.7                VEY061246
     K20Y01H KC2020 12 19.99438207 00 35.67 +41 02 51.6          20.7 GVEY061J95
     K20Y01H KC2020 12 20.00185907 00 29.84 +41 01 15.6          20.9 GVEY061J95
     K20Y01H 1C2020 12 20.09761 06 59 11.47 +40 40 08.3          22.4 VVEY061033
     K20Y01H 1C2020 12 20.09970 06 59 09.77 +40 39 40.2          21.9 VVEY061033
     K20Y01H 1C2020 12 20.10074 06 59 08.99 +40 39 26.1          21.9 VVEY061033
     K20Y01H KC2020 12 20.28211406 57 14.50 +40 00 02.1          20.31GVEY061I52
     K20Y01H KC2020 12 20.28521306 57 11.96 +39 59 21.2          20.14GVEY061I52
     K20Y01H KC2020 12 20.28669106 57 10.76 +39 59 01.0          20.45GVEY061I52
     K20Y01H KC2020 12 20.28984306 57 08.18 +39 58 18.2          21.12GVEY061I52

Observer details:
033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, U.
    Laux, B. Stecklum.  Measurer B. Stecklum.  1.34-m f/3 Schmidt + CCD.
246 Klet Observatory-KLENOT.  Observers M. Tichy, J. Ticha.  Measurer M.
    Tichy.  1.06-m f/2.7 reflector + 2048x2048 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.  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.
J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3 Schmidt-Cassegrain
    + CCD.

Orbital elements:
2020 YH1                                                 Earth MOID = 0.0260 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres                   
M 228.83896              (2000.0)            P               Q                  
n   1.08280099     Peri.  314.70884     -0.67214690     +0.71391133             
a   0.9392264      Node   271.97779     -0.61159547     -0.68479193             
e   0.1229058      Incl.   11.32982     -0.41733623     -0.14625534             
P   0.91           H   27.12          G   0.15           U   5                  
Residuals in seconds of arc
201219 G96  0.0-  0.7+    201219 246  0.1-  0.2+    201220 033  0.4-  0.4+
201219 G96  0.3+  0.0+    201219 246  0.2+  0.3+    201220 033  0.1-  0.4+
201219 G96  0.0-  0.1-    201219 246  0.6+  0.7-    201220 I52  0.1-  0.1+
201219 G96  0.5-  0.4-    201219 246  1.0+  0.6-    201220 I52  0.2-  0.5+
201219 I52  0.3-  0.1+    201219 J95  0.0+  0.4-    201220 I52  0.1-  0.1+
201219 I52  0.2-  0.1-    201220 J95  0.4+  0.3-    201220 I52  0.1-  0.5-
201219 I52  0.6+  0.1-    201220 033  0.4+  0.1+

Ephemeris:
2020 YH1                 a,e,i = 0.94, 0.12, 11                  q = 0.8238
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 20    09 08 45.6 +64 12 14   0.1447  1.0493   111.3    61.3    25.2
...
2020 12 05    08 50 08.1 +61 04 21   0.08889 1.0370   123.4    52.5    23.9
...
2020 12 13    08 08 10.7 +55 45 44   0.05954 1.0277   135.3    42.3    22.7
...
2020 12 19    07 11 57.5 +44 22 00   0.03979 1.0195   152.9    26.1    21.3
2020 12 20    07 00 27.8 +41 02 37   0.03697 1.0180   157.3    21.9    21.1
2020 12 21    06 48 28.4 +37 05 59   0.03436 1.0166   162.4    17.0    20.7
...
2020 12 27    05 31 11.9 -00 56 15   0.02661 1.0071   152.6    26.7    20.5
...
2021 01 04    03 59 45.2 -42 48 22   0.04147 0.9931   102.6    75.1    22.8
...
2021 01 19    02 19 41.7 -60 11 39   0.08978 0.9635    74.3   100.5    25.5

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-Y61




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