[Iaude] MPEC C131: 2012 YQ1 [a=2.00,e=0.56,i=5.1,H=21.11]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Mon Feb 12 09:08:50 EST 2024


M.P.E.C. 2024-C131                            Issued 2024 February 12, 14:07 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets, routine data on comets and natural satellites,
         and occasional editorial announcements.  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

                                    2012 YQ1                                    


                           Revision to MPEC 2012-Y15                            

Additional Observations:
     K12Y01Q  C2010 05 31.27986710 14 10.569+21 40 52.21         22.23GVEC131F51
     K12Y01Q  C2010 05 31.28904010 14 14.301+21 40 32.65         22.40GVEC131F51
     K12Y01Q  C2010 06 05.32044310 48 10.161+18 29 16.54         22.47GVEC131F51
     K12Y01Q 0C2016 07 07.49509720 41 33.425-17 58 07.27         24.64GVEC131T12
     K12Y01Q 0C2023 10 21.49968901 39 34.827+00 45 16.13         24.13GVEC131T12
     K12Y01Q 0C2023 11 12.35089501 10 13.200-01 54 21.29         24.33GVEC131T12

Observer details:
F51 Pan-STARRS 1, Haleakala.  Observers J. Herman, T. Lowe, P. Minguez, A.
    Schultz, I. Smith.  Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
    Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
    Weryk.  1.8-m Ritchey-Chretien + CCD.
T12 University of Hawaii 88-inch telescope, Maunakea.  Observers D. J. Tholen,
    Y. Ramanjooloo.  Measurer D. J. Tholen.  2.24-m f/10.1 reflector + 1024 x
    1024 pixels Tektronix 2048 CCD, 2.24-m f/10.1 reflector + 2112 x 2112
    pixels STA1600 10k CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
100531 F51 11.1+  1.6+    231112 T12  9.3+  2.6+    MPO374455   +0.04 days

Orbital elements:
2012 YQ1                                            PHA, Earth MOID = 0.0066 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 270.65274              (2000.0)            P               Q                  
n   0.34893656     Peri.   42.22601     -0.95013093     -0.30203346             
a   1.9981974      Node   120.03890     +0.25674997     -0.89892379             
e   0.5629315      Incl.    5.14514     +0.17700474     -0.31735125             
P   2.82           H   21.11          G   0.15           U   1                  
Residuals in seconds of arc
100531 F51  0.2+  0.3-    121221 854  0.2+  0.1+    121231 204  0.1-  0.1-
100531 F51  0.2-  0.0     121221 854  0.0   0.8+    121231 204  0.1+  0.2-
100605 F51  0.0   0.0     121223 G32  1.5+  1.0-    130105 H01  0.2-  0.1-
121219 G32  0.1-  0.3-    121223 G32  1.2+  0.7-    130105 H01  0.3-  0.0
121219 G32  1.1-  0.5+    121223 807  0.1-  0.1-    130105 H01  0.3-  0.1-
121219 G32  0.4-  0.3+    121223 807  0.1-  0.0     130105 H01  0.6-  0.1-
121219 G32  0.6-  0.3-    121223 807  0.1-  0.1-    130105 291  0.4-  0.1+
121220 G32 (3.5-  0.8+)   121223 807  0.0   0.0     130105 291  0.3+  0.0
121220 G32 (3.4-  0.2+)   121223 807  0.1-  0.0     130105 291  0.2-  0.0
121220 704  0.1-  0.6+    121224 J13  1.1-  0.0     130107 H21  0.3-  0.3-
121220 704  0.5-  0.6+    121224 J13  1.5-  0.3+    130107 H21  0.2-  0.2-
121220 704  0.5-  0.4-    121224 J13  0.7+  0.2-    130107 H21  0.2-  0.1-
121220 704  0.6-  0.1+    121224 807  0.1-  0.1+    130107 H21  0.2-  0.2-
121220 704  0.1+  0.2-    121224 807  0.0   0.1+    130107 H21  0.3-  0.0
121220 291  0.1+  0.3+    121224 807  0.0   0.0     130108 703  0.2+  0.2+
121220 291  0.3-  0.0     121224 807  0.1-  0.1+    130108 703  0.3+  1.1+
121220 291  0.1+  0.2-    121224 807  0.0   0.1+    130108 703  0.7+  0.6+
121220 300  0.1+  0.4-    121225 807  0.2-  0.1-    130108 703  0.4-  0.6+
121220 300  0.6-  0.3-    121225 807  0.2-  0.1-    130108 291  0.2-  0.0
121220 300  0.1-  0.1-    121225 807  0.1-  0.0     130108 291  0.2-  0.1-
121220 300  0.1-  0.2-    121225 807  0.0   0.1+    130108 291  0.4-  0.2-
121221 G32  0.7-  0.6-    121225 807  0.1-  0.1+    130120 H01  0.0   0.0
121221 G32  0.1-  0.0     121230 118  1.2+  0.9-    130120 H01  0.0   0.1+
121221 G32  0.4-  0.7+    121230 118  0.9+  0.4-    130120 H01  0.1-  0.1+
121221 G32  0.4+  0.5+    121230 118  0.4+  0.2+    130120 H01  0.1-  0.1+
121221 H15  0.2-  0.1-    121230 118  0.5+  0.5+    130412 568  0.3+  0.0
121221 H15  0.1+  0.0     121230 160  0.0   0.4+    130412 568  0.3+  0.1+
121221 H15  0.1+  0.2-    121230 160 (2.8+  1.5-)   130412 568  0.2+  0.0
121221 H01  0.4-  0.0     121230 160  2.3+  1.1-    130704 568  0.3+  0.1+
121221 H01  0.3-  0.0     121231 160 (1.3+  2.1+)   160707 T12  0.2+  0.1+
121221 H01  0.3-  0.0     121231 160  0.9+  0.4+    231021 T12  0.1-  0.2+
121221 H01  0.2-  0.1-    121231 160  0.1+  1.0+    231112 T12  0.1-  0.2+
121221 854  0.1+  0.1+    121231 204  0.1+  0.2+

Ephemeris:
2012 YQ1                 a,e,i = 2.00, 0.56, 5                   q = 0.8733
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 01 13    01 02 34.0 +00 48 51   1.6017  1.7717    82.8    33.4    24.8
...
2024 01 28    01 19 12.2 +03 18 38   1.6621  1.6558    72.4    34.5    24.7
...
2024 02 05    01 30 24.9 +04 49 42   1.6845  1.5923    67.4    34.9    24.7
...
2024 02 11    01 39 51.0 +06 02 26   1.6963  1.5439    64.0    35.1    24.6
2024 02 12    01 41 30.5 +06 14 54   1.6978  1.5358    63.4    35.1    24.6
2024 02 13    01 43 11.4 +06 27 27   1.6992  1.5277    62.9    35.1    24.6
...
2024 02 19    01 53 47.3 +07 44 34   1.7048  1.4786    59.8    35.3    24.6
...
2024 02 27    02 09 16.8 +09 31 40   1.7050  1.4127    55.9    35.5    24.5
...
2024 03 13    02 42 45.6 +13 02 20   1.6829  1.2886    49.8    36.1    24.3

A. U. Tomatic                (C) Copyright 2024 MPC           M.P.E.C. 2024-C131





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