Simultaneous Nadir Overpasses (SNOs) near equator between AQUA and NPP
TLE Epoch: 2013 3 11.  Predictions up to the next  14.0 days:

Date(AQUA)     Time(AQUA)   AQUA Lat/Lon   Date(NPP)     Time(NPP)    NPP Lat/Lon    Distance (km)   Time Diff(sec)
 03/13/2013   00:59:14   (  -6.21,   8.24) 03/13/2013   00:49:14    (  -6.21,   7.62)   68.56            600
 03/13/2013   01:47:32   (   1.80, 176.81) 03/13/2013   01:38:45    (   1.61, 175.95)   97.40            527
 03/15/2013   17:15:24   (  -4.86, 124.41) 03/15/2013   17:05:47    (  -4.72, 123.72)   77.31            577
 03/18/2013   09:31:31   (  -3.35,-119.40) 03/18/2013   09:22:19    (  -3.18,-120.17)   87.59            552
 03/21/2013   00:59:26   (   6.18,-171.79) 03/21/2013   00:49:26    (   6.17,-172.41)   68.73            600
 03/21/2013   01:47:35   (  -1.76,  -3.18) 03/21/2013   01:38:49    (  -1.59,  -4.05)   97.99            526
 03/23/2013   17:15:33   (   4.74, -55.60) 03/23/2013   17:05:57    (   4.58, -56.29)   78.12            576