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  • MPEC 2022-G20 : 2012 QG49

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    M.P.E.C. 2022-G20                                 Issued 2022 April 2, 14:07 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@CFA.HARVARD.EDU
                URL https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                    2012 QG49                                
    
    
                               Revision to MPEC 2012-Q80                            
    
    Additional Observations:
         K12Q49G KC2022 03 28.15152908 33 56.50 -13 33 50.8          20.84GVEG020I52
         K12Q49G KC2022 03 28.15320708 33 57.15 -13 33 48.8          20.90GVEG020I52
         K12Q49G KC2022 03 28.15656408 33 58.52 -13 33 44.9          20.68GVEG020I52
         K12Q49G KC2022 04 01.20197008 59 17.272-12 21 43.06         22.50GVEG020I52
         K12Q49G KC2022 04 01.20315808 59 17.639-12 21 41.98         20.98GVEG020I52
         K12Q49G KC2022 04 01.20434908 59 18.020-12 21 40.25         20.97GVEG020I52
         K12Q49G KC2022 04 01.20553908 59 18.431-12 21 40.00         20.95GVEG020I52
    
    Observer details:
    I52 Steward Observatory, Mt. Lemmon Station.  Observers H. Groeller, D. C.
        Fuls.  Measurers E. J. Christensen, G. A. Farneth, J. B. Fazekas, D. C.
        Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, J. K. Hogan, R. A. Kowalski,
        S. M. Larson, G. J. Leonard, D. Rankin, R. L. Seaman, A. Serrano, F. C.
        Shelly, K. W. Wierzchos.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    220328 I52 0.08- 0.05-    220401 I52 0.07- 0.04-    MPO640321   -0.02 days
    
    Orbital elements:
    2012 QG49                                                Earth MOID = 0.0683 AU
    Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Veres                   
    M   6.79466              (2000.0)            P               Q                  
    n   0.75447427     Peri.  150.01334     +0.14364828     -0.98632886             
    a   1.1950143      Node   291.62596     +0.88982317     +0.16444052             
    e   0.3696630      Incl.    4.98324     +0.43310495     -0.01070998             
    P   1.31           H   22.62          G   0.15           U   0                  
    Residuals in seconds of arc
    120808 F51  0.0   0.1+    120906 H21  0.0   0.0     120915 J04  0.2-  0.2+
    120808 F51  0.0   0.1-    120906 H36  0.8-  0.9-    120915 J04  0.2-  0.7+
    120828 G96  0.4+  0.3-    120906 H36  0.0   0.4+    120915 033  0.8+  1.4+
    120828 G96  0.4+  0.0     120906 204 (1.3-  0.7+)   120915 033  0.2+  1.8+
    120828 G96  0.4+  0.2-    120906 204 (1.0-  0.7+)   120915 033  2.3+  0.3+
    120828 H21  0.3+  0.3-    120906 204 (1.1-  0.6+)   120915 033  1.4+  0.5+
    120828 H21  0.0   0.2-    120907 H21  0.1-  0.1-    120915 033  0.4+  1.0+
    120828 H21  0.2+  0.2-    120907 H21  0.0   0.0     120915 033  1.6+  0.5-
    120829 H21  0.2-  0.5+    120907 H21  0.1-  0.2-    120916 J04  0.2-  0.1+
    120829 H21  0.0   0.0     120909 H21  0.0   0.1+    120916 J04  0.2-  0.0
    120829 H21  0.3+  0.3+    120909 H21  0.4-  0.2-    120916 J04  0.1-  0.1+
    120904 H21  0.2+  0.2+    120909 H21  0.0   0.0     120917 H21  0.0   0.1-
    120904 H21  0.3+  0.5+    120910 H21  0.5+  0.3-    120917 H21  0.3+  0.0
    120904 H21  0.0   0.2+    120910 H21  0.1+  0.3-    120917 H21  0.1-  0.0
    120905 H21  0.0   0.1+    120910 H21  0.0   0.0     220328 I52  0.3+  0.0
    120905 H21  0.0   0.1+    120910 H21  0.1-  0.2-    220328 I52  0.1-  0.1+
    120905 H21  0.0   0.3+    120911 H21  0.3+  0.2-    220328 I52  0.2+  0.2+
    120905 H21  0.1-  0.2+    120911 H21  0.4-  0.4-    220401 I52  0.1-  0.1-
    120906 J95  0.0   0.1+    120911 H21  0.2-  0.5-    220401 I52  0.3-  0.2-
    120906 J95  0.1-  0.2-    120914 J04  0.1-  0.1-    220401 I52  0.3-  0.3+
    120906 H21  0.1-  0.1+    120914 J04  0.3-  0.4+    220401 I52  0.1+  0.6-
    120906 H21  0.2-  0.1-    120914 J04  0.1-  0.1+
    
    Ephemeris:
    2012 QG49                a,e,i = 1.20, 0.37, 5                   q = 0.7533
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2022 03 03    03 07 44.2 -12 41 14   0.1196  0.9423    62.6   110.9    22.1
    ...
    2022 03 18    06 55 49.6 -16 37 44   0.1238  1.0352   105.6    67.8    20.5
    ...
    2022 03 26    08 17 53.0 -14 14 27   0.1604  1.0852   119.4    53.2    20.8
    ...
    2022 04 01    08 58 09.5 -12 24 36   0.1962  1.1221   124.6    47.1    21.1
    2022 04 02    09 03 40.6 -12 08 05   0.2026  1.1282   125.1    46.4    21.2
    2022 04 03    09 08 55.5 -11 52 10   0.2092  1.1343   125.6    45.8    21.2
    ...
    2022 04 09    09 35 50.6 -10 29 11   0.2510  1.1703   127.2    43.0    21.6
    ...
    2022 04 17    10 03 27.1 -09 09 01   0.3120  1.2169   126.9    41.2    22.1
    ...
    2022 05 02    10 42 29.8 -07 50 02   0.4400  1.2989   122.6    40.8    23.0
    
    A. U. Tomatic                (C) Copyright 2022 MPC           M.P.E.C. 2022-G20
    


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