Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2013 1 16.  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)
 01/16/2013   06:32:48   (  38.48, -67.79) 01/16/2013   06:30:31    (  38.81, -69.76)  175.37            137
 01/16/2013   08:08:29   (  49.91, -88.44) 01/16/2013   08:08:41    (  50.37, -90.73)  171.01             12
 01/16/2013   09:47:22   (  49.91,-113.16) 01/16/2013   09:50:09    (  50.48,-116.05)  215.50            167
 01/18/2013   19:06:35   (  49.98, -92.64) 01/18/2013   18:58:58    (  49.70, -94.32)  124.54            457
 01/18/2013   20:45:28   (  49.99,-117.36) 01/18/2013   20:40:26    (  49.59,-119.65)  169.80            302
 01/24/2013   07:19:28   (  47.25, -77.06) 01/24/2013   07:18:42    (  47.64, -79.21)  167.42             46
 01/24/2013   08:57:36   (  49.91,-100.71) 01/24/2013   08:59:23    (  50.46,-103.36)  198.51            107