[Iaude] MPEC H68: 2008 GG [a=1.37,e=0.81,i=20.9,H=20.66]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Tue Apr 23 17:46:11 EDT 2024


M.P.E.C. 2024-H68                                Issued 2024 April 23, 21:44 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

                                    2008 GG                                     


                           Revision to MPEC 2008-G12                            

Additional Observations:
     K08G00G  C2024 04 05.13111809 05 22.225+64 01 59.45         21.56GVEH068V00
     K08G00G  C2024 04 05.13623809 05 24.482+64 01 39.43         21.55GVEH068V00
     K08G00G  C2024 04 05.14135609 05 26.747+64 01 19.52         21.94GVEH068V00
     K08G00G 0C2024 04 17.36003510 00 48.280+52 47 00.87         22.71GVEH068T12

Observer details:
T12 University of Hawaii 88-inch telescope, Maunakea.  Observer D. J. Tholen.
    2.24-m f/10.1 reflector + 2112 x 2112 pixels STA1600 10k CCD.
V00 Kitt Peak-Bok.  Observers V. F. Carvajal, K. W. Wierzchos.  Measurers M.
    J. Brucker, C. E. Woodward, T. Beuden, V. F. Carvajal, D. Fay, J. B.
    Fazekas, D. C. Fuls, A. R. Gibbs, H. Groeller, J. K. Hogan, R. A.
    Kowalski, S. M. Larson, C. Lejoly, G. J. Leonard, R. A. Mastaler, R. S.
    McMillan, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.  2.25-m
    reflector + 4x4K mosaic CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or zero decimals in degrees), reference and Delta-T
240405 V00   15-    5-    240417 T12   10-    3-    MPO138178   -11.7 days

Orbital elements:
2008 GG                                                  Earth MOID = 0.1466 AU
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Veres                   
M  32.41934              (2000.0)            P               Q                  
n   0.61327951     Peri.  286.88399     +0.73355498     -0.59236820             
a   1.3720304      Node   110.71895     +0.67504254     +0.69191513             
e   0.8142828      Incl.   20.86692     -0.07883315     +0.41273885             
P   1.61           H   20.66          G   0.15           U   2                  
Residuals in seconds of arc
080401 G96  0.1+  0.2+    080401 658  0.2-  0.2+    080405 H55  0.1-  0.4-
080401 G96  0.1+  0.2+    080401 658  0.1-  0.2+    080405 H55  0.0   0.4-
080401 G96  1.2+  0.4-    080401 J95  1.4+  0.1-    080406 H55  0.4-  1.2+
080401 G96  1.2+  0.0     080401 J95  0.1+  0.7+    080406 H55  0.1+  0.1-
080401 G96  0.7+  0.3+    080401 J95  1.5-  0.5-    080406 H55  0.0   0.5-
080401 G96  0.4+  0.0     080402 H55  0.6-  0.2-    240405 V00  0.1+  0.1-
080401 G96  0.5+  0.4+    080402 H55  0.0   0.1-    240405 V00  0.0   0.1-
080401 G96  1.1+  0.3+    080402 H55  0.3-  0.2+    240405 V00  0.1-  0.1+
080401 658  0.3-  0.4+    080405 H55  0.8+  0.1+    240417 T12  0.0   0.0

Ephemeris:
2008 GG                  a,e,i = 1.37, 0.81, 21                  q = 0.2548
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 03 24    05 05 30.6 +74 49 09   0.4081  1.0390    84.3    72.7    21.3
...
2024 04 08    09 24 06.9 +61 01 08   0.6037  1.2494    99.2    52.3    22.0
...
2024 04 16    09 56 49.9 +53 50 23   0.7315  1.3501   101.0    46.9    22.4
...
2024 04 22    10 12 30.5 +49 28 17   0.8331  1.4211   100.8    44.0    22.7
2024 04 23    10 14 44.1 +48 48 40   0.8504  1.4326   100.7    43.6    22.8
2024 04 24    10 16 52.7 +48 10 05   0.8678  1.4440   100.6    43.2    22.8
...
2024 04 30    10 28 24.3 +44 37 35   0.9739  1.5103    99.3    41.2    23.1
...
2024 05 08    10 41 28.9 +40 34 36   1.1192  1.5938    96.8    39.0    23.5
...
2024 05 23    11 02 46.8 +34 22 18   1.3988  1.7362    90.7    35.7    24.0

A. U. Tomatic                (C) Copyright 2024 MPC           M.P.E.C. 2024-H68




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