Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2012 9 8.  Predictions up to the next  10.0 days:

Date(AQUA)     Time(AQUA)   AQUA Lat/Lon   Date(NPP)     Time(NPP)    NPP Lat/Lon    Distance (km)   Time Diff(sec)
 09/10/2012   06:31:32   (  41.01, -66.91) 09/10/2012   06:30:00    (  41.38, -69.01)  179.85             92
 09/10/2012   08:07:55   (  49.93, -88.36) 09/10/2012   08:08:53    (  50.44, -90.81)  183.46             58
 09/10/2012   09:46:48   (  49.93,-113.08) 09/10/2012   09:50:21    (  50.55,-116.13)  227.88            213
 09/12/2012   19:06:01   (  49.99, -92.53) 09/12/2012   18:59:10    (  49.67, -94.37)  137.21            411
 09/12/2012   20:44:54   (  49.99,-117.25) 09/12/2012   20:40:38    (  49.56,-119.70)  182.51            256