Mike Kretlow
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Sun J2 and PPN

The explanation of the anomalous (not classical explainable) perihelion shift of Mercury’s orbit was one of the great  successes of the General Theory of Relativity (GR). For Mercury this relativistic perihelion shift is about 43" per century. The following table lists this value (dp/dt) for minor planets where dp/dt is greater than 10"/cy. These asteroids can be used to analyse for GR and J2 (solar oblateness) effects. Astrometric observations of asteroids are easier to obtain rather than for Mercury and among these asteroids, radar observations of Earth approachers could be carried out for even better accuracy. Currently (37924) and (66391) are the best candidates because these numbered asteroids have a reasonable good orbital arc span and observation coverage. 

 Number Name                  dp/dt  orbarc numobs
        2007 EB26             45.28  00006  0017
  89227 2004 XY60             32.04  02543  0055
        2007 EP88             27.80  01129  0062
  37924 2000 BD19             26.82  05088  0391
        2006 CJ               23.70  02211  0214
  66391 1999 KW4              22.06  05098  1682
        2008 MG1              21.87  01445  0028
  25102 2008 EY5              20.33  01485  0122
        1995 CR               19.93  00020  0151
        2008 EY68             18.96  01512  0046
        2006 KZ39             18.70  00002  0018
        1999 MN               18.48  04013  0116
  02683 2006 US216            17.34  02224  0084
  02169 2001 TD45             17.13  03698  0059
        2004 JG6              16.63  02952  0126
        2008 CH116            16.38  00375  0047
        1998 SO               16.38  03660  0123
  85953 1999 FK21             16.18  15019  0705
  64294 2004 XZ130            16.14  00745  0070
        2006 JF42             15.68  01841  0145
        2005 WS3              15.52  02185  0090
        2004 UL               15.06  03690  0114
  38127 2000 EE14             15.04  04344  0266
        2003 UY12             14.48  00008  0059
  05140 2000 NL10             14.44  21569  0583
        1994 XL1              14.40  06219  0097
        2001 YE4              14.38  03673  0176
        2008 EA32             14.21  00352  0066
        2007 TD               13.58  00007  0032
        2008 XM               13.41  00412  0059
        1994 GL               13.22  00003  0011
        2006 FW33             13.14  00003  0010
  99907 1989 VA               13.11  07733  0447
        2005 YS               12.92  02220  0109
        2003 FY6              12.74  01829  0089
        2006 DM63             12.67  00001  0019
        2005 EP1              12.52  00004  0030
        1998 SD9              12.45  03644  0069
        2004 GP               12.45  02598  0073
  47517 2002 QY6              12.44  03314  0224
  53201 2000 WO107            12.39  03699  0289
        2006 BX147            12.07  00010  0012
        2003 FK1              11.96  00008  0027
        2004 KH17             11.94  02194  0167
  63243 2002 FB3              11.89  03717  0302
        2008 UX               11.85  01118  0114
  52742 1998 XE12             11.70  05159  0168
        2005 TG45             11.62  01460  0103
        2002 LT24             11.58  02934  0120
        2003 KO2              11.51  02913  0144
        1998 DK36             11.20  00001  0004
        2005 HC4              11.19  00012  0050
        2007 PR10             11.19  00012  0036
        2008 UL90             11.15  00428  0087
        2000 HO40             11.10  00010  0025
        2004 QX2              11.05  00017  0024
        1998 SV4              10.84  04390  0276
  76770 2004 HC               10.81  02571  0157
  29915 2005 MB               10.72  03295  0096
  76033 2002 AJ129            10.69  03010  0239
        2001 CP36             10.65  02213  0135
        2008 BP16             10.63  01108  0061
  33342 1998 WT24             10.63  04507  0815
        2009 HU44             10.45  00021  0062
        2002 VE68             10.36  02947  0440
        2007 PS25             10.30  00004  0030
        2008 TC4              10.30  00721  0127
   3200 Phaethon              10.15  10363  2305
        2007 AG               10.13  01792  0136
   1566 Icarus                10.06  22987  0626
  22756 2001 CK32             10.03  04058  0125
dp/dt  : perihelion shift in "/century
orbarc : orbital arc span in days
numobs : number of observations
datasrc: astorb.dat (Dec. 2012)

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