• MPC Preparation (Info)

  • MPEC 2024-E51 : 2009 YQ

    The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.

    A form allowing access to any MPEC is at the bottom of this page.


    Read MPEC 2024-E50 Read MPEC 2024-E52


    M.P.E.C. 2024-E51                                 Issued 2024 March 5, 14:46 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@CFA.HARVARD.EDU
                URL https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                     2009 YQ                                 
    
    
                               Revision to MPEC 2009-Y29                            
    
    Additional Observations:
         K09Y00Q  C2023 12 16.38802005 30 36.739+23 06 52.36         20.63GVEE051F51
         K09Y00Q  C2023 12 16.38883805 30 36.628+23 06 51.72         21.47GVEE051F51
         K09Y00Q  C2024 01 01.24040704 50 38.787+20 47 00.62         21.93GVEE051F51
         K09Y00Q  C2024 01 01.24233504 50 38.486+20 46 59.58         21.88GVEE051F51
         K09Y00Q  C2024 01 01.25336304 50 36.744+20 46 52.61         21.73GVEE051F51
         K09Y00Q  C2024 01 01.25529304 50 36.440+20 46 51.35         21.61GVEE051F51
         K09Y00Q  C2024 01 01.26628704 50 34.686+20 46 44.59         22.31GVEE051F51
         K09Y00Q  C2024 01 01.26822004 50 34.381+20 46 43.30         21.76GVEE051F51
         K09Y00Q  C2024 01 01.27926204 50 32.653+20 46 36.34         21.75GVEE051F51
         K09Y00Q  C2024 01 05.23093904 40 30.600+20 03 35.34         21.54GVEE051F52
         K09Y00Q  C2024 01 05.24399404 40 28.599+20 03 26.80         21.40GVEE051F52
         K09Y00Q  C2024 01 05.27011404 40 24.588+20 03 09.53         22.02GVEE051F52
         K09Y00Q 1C2024 03 04.01822203 42 17.450+11 57 28.04         22.3 rVEE051W84
         K09Y00Q 1C2024 03 04.02684803 42 17.563+11 57 25.49         22.3 rVEE051W84
         K09Y00Q 1C2024 03 04.03554503 42 17.698+11 57 22.82         22.1 rVEE051W84
         K09Y00Q 1C2024 03 04.04432503 42 17.827+11 57 20.20         21.9 rVEE051W84
    
    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.
    F52 Pan-STARRS 2, 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.
    W84 Cerro Tololo-DECam.  Observer J. Kleyna.  4.00000-m Reflector + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    231216 F51 0.22- 0.02-    240304 W84 0.11- 0.15-    MPO167802   -0.43 days
    
    Orbital elements:
    2009 YQ                                                  Earth MOID = 0.0998 AU
    Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Veres                   
    M 351.74133              (2000.0)            P               Q                  
    n   0.34900014     Peri.  312.17284     -0.80888939     +0.56931508             
    a   1.9979548      Node   263.04261     -0.48634909     -0.78827183             
    e   0.7066092      Incl.    8.51019     -0.33039752     -0.23346918             
    P   2.82           H   20.48          G   0.15           U   1                  
    Residuals in seconds of arc
    091218 291  0.7-  0.3+    091220 291  0.8-  0.3+    240101 F51  0.0   0.1+
    091218 291  0.8-  0.1+    091220 291  0.2-  0.7+    240101 F51  0.1+  0.1-
    091218 291  0.7-  0.1-    091225 291 (1.7-  1.6+)   240101 F51  0.1+  0.1-
    091219 291  1.5+  0.2+    091225 291  0.9+  0.5-    240101 F51  0.1-  0.0
    091219 291  1.4+  1.5-    091226 291  0.5+  1.1-    240101 F51  0.1-  0.1-
    091219 G96  0.1+  0.0     091226 291  0.6-  0.9-    240101 F51  0.2+  0.2-
    091219 G96  0.2-  0.1-    091226 291 (2.5+  1.2-)   240105 F52  0.0   0.1+
    091219 G96  0.1-  0.3-    091227 291  0.5-  0.8+    240105 F52  0.0   0.1+
    091219 G96  0.1+  0.0     091227 291  0.4+  1.5+    240105 F52  0.1+  0.0
    091219 H01  0.2+  0.0     091227 291  0.7-  0.8+    240304 W84  0.1-  0.1+
    091219 H01  0.1+  0.1+    231216 F51  0.1-  0.3+    240304 W84  0.2-  0.1+
    091219 H01  0.2+  0.0     231216 F51  0.0   0.0     240304 W84  0.0   0.0
    091220 291  0.1+  0.9-    240101 F51  0.0   0.1-    240304 W84  0.0   0.0
    
    Ephemeris:
    2009 YQ                  a,e,i = 2.00, 0.71, 9                   q = 0.5862
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2024 02 04    03 47 56.6 +14 51 49   0.7672  1.3852   103.7    43.7    22.3
    ...
    2024 02 19    03 40 42.3 +13 08 48   0.7659  1.2130    86.5    54.4    22.3
    ...
    2024 02 27    03 40 55.2 +12 26 34   0.7544  1.1178    78.4    60.2    22.3
    ...
    2024 03 04    03 42 17.6 +11 57 26   0.7386  1.0453    72.7    64.9    22.2
    2024 03 05    03 42 35.4 +11 52 37   0.7353  1.0332    71.7    65.7    22.2
    2024 03 06    03 42 53.9 +11 47 48   0.7317  1.0210    70.8    66.6    22.2
    ...
    2024 03 12    03 44 52.7 +11 17 51   0.7061  0.9482    65.3    72.2    22.1
    ...
    2024 03 20    03 46 48.7 +10 31 24   0.6595  0.8523    57.8    81.3    22.1
    ...
    2024 04 04    03 37 25.3 +08 17 21   0.5386  0.6898    40.9   108.4    22.4
    
    A. U. Tomatic                (C) Copyright 2024 MPC           M.P.E.C. 2024-E51
    


    Read MPEC 2024-E50 Read MPEC 2024-E52


    MPEC number:

    Enter an MPEC number in one of the following forms:

    • 1997-B01 (the full form)
    • J97B01 (the packed version of the full form)
    • B01 (the abbreviated form)