[Iaude] MPEC M12: 2020 YC3 [a=2.21,e=0.74,i=15.2,H=20.23]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sat Jun 18 10:07:29 EDT 2022


M.P.E.C. 2022-M12                                 Issued 2022 June 18, 14:06 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 YC3                                    


                           Revision to MPEC 2020-Y104                           

Additional Observations:
     K20Y03C  C2021 08 06.55281200 32 54.077-09 30 26.81         22.45GVEM012F51
     K20Y03C  C2021 08 06.56451200 32 53.289-09 30 40.16         22.64GVEM012F51
     K20Y03C  C2021 08 06.57621500 32 52.508-09 30 53.40         21.89GVEM012F51
     K20Y03C  C2021 08 17.55246900 18 43.247-13 01 16.78         22.42GVEM012F51
     K20Y03C  C2021 08 17.56361900 18 42.219-13 01 29.35         22.86GVEM012F51
     K20Y03C  C2021 08 17.57478300 18 41.179-13 01 42.13         22.39GVEM012F51
     K20Y03C  C2021 08 17.59115100 18 39.679-13 02 00.42         22.48GVEM012F51
     K20Y03C  C2021 08 18.59518700 17 09.693-13 21 10.71         22.42GVEM012F51
     K20Y03C  C2021 08 18.60798800 17 08.515-13 21 25.15         22.84GVEM012F51
     K20Y03C  C2021 08 18.61350300 17 07.985-13 21 31.82         21.97GVEM012F51
     K20Y03C  C2021 08 30.45342823 57 47.498-16 54 34.04         21.21GVEM012F52
     K20Y03C  C2021 08 30.46434923 57 46.348-16 54 44.75         21.72GVEM012F52
     K20Y03C  C2021 08 30.47534923 57 45.167-16 54 55.53         21.86GVEM012F52
     K20Y03C  C2021 08 30.48631023 57 43.994-16 55 06.13         21.96GVEM012F52
     K20Y03C  C2021 09 08.49031323 42 14.258-19 09 14.40         22.52GVEM012F51
     K20Y03C  C2021 09 08.50198323 42 13.029-19 09 23.53         22.71GVEM012F51
     K20Y03C  C2021 09 08.52546323 42 10.556-19 09 41.87         22.80GVEM012F51
     K20Y03C  C2021 09 13.42431323 34 03.249-20 08 47.42         22.26GVEM012F51
     K20Y03C  C2021 09 13.43503223 34 02.179-20 08 54.01         23.03GVEM012F51
     K20Y03C  C2021 09 13.44576323 34 01.121-20 09 01.43         22.67GVEM012F51

Observer details:
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe, A.
    Schultz, I. Smith.  Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
    Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, K. Chambers, T. Dukes, T.
    Lowe, A. Schultz, I. Smith.  Measurers S. Chastel, M. Huber, Y.
    Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
210806 F51 10.9-  3.1-    210913 F51 11.7-  2.5-    E2021-AG0   +0.00 days

Orbital elements:
2020 YC3                                            PHA, Earth MOID = 0.0402 AU
Epoch 2022 Aug. 9.0 TT = JDT 2459800.5                  Veres                   
M 146.67196              (2000.0)            P               Q                  
n   0.29925434     Peri.   78.12143     -0.82910037     +0.52557919             
a   2.2136506      Node   133.23442     -0.55785453     -0.80040577             
e   0.7370361      Incl.   15.17236     +0.03729472     -0.28830039             
P   3.29           H   20.23          G   0.15           U   3                  
Residuals in seconds of arc
201221 G96  0.1+  0.6+    210102 I52  0.3+  0.2-    210206 I52 (0.2+  1.1+)
201221 G96  0.1-  0.1-    210103 I52 (1.0-  0.5+)   210211 F52  0.0   0.1+
201221 G96  0.1+  0.3+    210103 I52  0.0   0.5-    210211 F52 (0.1-  0.6+)
201221 G96  0.1+  0.1-    210103 I52 (1.8-  2.1-)   210211 F52  0.0   0.2+
201221 V06  0.0   0.2-    210104 I52  0.1+  0.3+    210211 F52  0.6+  0.4+
201221 V06  0.0   0.3+    210104 I52 (2.9+  0.3-)   210212 I52  0.1-  0.1-
201221 V06  0.0   0.1-    210104 I52  0.2+  0.1+    210212 I52  0.1-  0.1-
201221 V06  0.4-  0.0     210105 F51  0.1-  0.0     210212 I52  0.0   0.6-
201222 807  0.1+  0.3-    210105 F51  0.2-  0.0     210212 I52  0.4-  0.1-
201222 807  0.2+  0.1-    210105 F51  0.1+  0.0     210223 I52  0.1-  0.5-
201222 807  0.1+  0.0     210105 F51  0.0   0.1-    210223 I52  0.2-  0.4-
201222 H21  0.1-  0.4+    210109 F51  0.0   0.0     210223 I52  0.9+  0.0
201222 H21  0.0   0.0     210109 F51  0.0   0.1-    210223 I52  0.4+  0.1+
201222 H21  0.1+  0.2+    210109 F51  0.1+  0.0     210225 I52  0.3-  0.1-
201222 H21  0.3+  0.2+    210110 I52 (0.2+  2.3+)   210225 I52  0.2+  0.3-
201222 V06  0.0   0.0     210110 I52 (0.0   1.4+)   210806 F51  0.1+  0.1+
201222 V06  0.0   0.2-    210111 I52 (1.2-  0.8+)   210806 F51  0.2+  0.0
201222 V06  0.1-  0.0     210111 I52 (1.0-  0.2-)   210806 F51  0.4+  0.0
201222 V06  0.1-  0.1-    210111 I52  0.3-  0.2+    210817 F51  0.2+  0.2-
201223 807  0.3-  0.0     210112 I52 (2.0+  0.9-)   210817 F51  0.1+  0.0
201223 807  0.1+  0.0     210112 I52  0.1-  0.1+    210817 F51  0.1-  0.0
201223 807  0.2+  0.1-    210112 I52  0.2-  0.5-    210817 F51 (0.0   0.5+)
201223 V06  0.5+  0.3+    210112 I52  0.7+  0.2-    210818 F51  0.1-  0.1-
201223 V06  0.1-  0.2+    210112 G96  0.2+  0.3+    210818 F51  0.1+  0.0
201226 I52  0.6+  0.6+    210112 G96  0.2-  0.3+    210818 F51  0.1-  0.4-
201226 I52  0.3+  0.3+    210112 G96  0.3-  0.4-    210830 F52  0.2-  0.4-
201226 I52  0.0   0.0     210112 G96  0.0   0.1+    210830 F52  0.0   0.2-
201227 I52 (1.3-  0.2+)   210131 I52  0.4-  0.1-    210830 F52  0.2-  0.1-
201227 I52  0.6+  0.5+    210131 I52  0.2-  0.1-    210830 F52  0.3-  0.2+
201227 I52  0.3+  0.4+    210131 I52  0.3+  0.2+    210908 F51  0.0   0.0
201231 695  0.4-  0.1+    210131 I52  0.2-  0.6-    210908 F51  0.1-  0.0
201231 695  0.3-  0.1-    210204 I52  0.2-  0.2+    210908 F51  0.4-  0.0
201231 695  0.3-  0.0     210204 I52  0.1-  0.7-    210913 F51  0.1-  0.2-
210102 I52 (0.6+  0.9+)   210206 I52  0.3-  0.0     210913 F51  0.1-  0.3+
210102 I52  0.5-  0.3+    210206 I52  0.1-  1.1+    210913 F51  0.1+  0.0

Ephemeris:
2020 YC3                 a,e,i = 2.21, 0.74, 15                  q = 0.5821
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2022 05 19    01 51 46.8 -00 24 37   4.3620  3.5637    33.6     9.0    26.8
...
2022 06 03    02 05 47.2 +00 22 31   4.2672  3.6064    44.0    11.3    26.9
...
2022 06 11    02 12 45.3 +00 40 46   4.2014  3.6277    49.7    12.3    26.9
...
2022 06 17    02 17 42.6 +00 51 06   4.1459  3.6430    54.0    13.0    26.9
2022 06 18    02 18 30.7 +00 52 32   4.1361  3.6454    54.8    13.2    26.9
2022 06 19    02 19 18.4 +00 53 53   4.1262  3.6479    55.5    13.3    26.9
...
2022 06 25    02 23 54.6 +01 00 11   4.0641  3.6624    60.0    13.9    26.9
...
2022 07 03    02 29 34.7 +01 03 35   3.9744  3.6809    66.0    14.6    26.9
...
2022 07 18    02 38 30.0 +00 53 40   3.7898  3.7127    77.9    15.5    26.8

A. U. Tomatic                (C) Copyright 2022 MPC           M.P.E.C. 2022-M12




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