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   00:59:15   (  -6.24,   8.24) 03/13/2013   00:49:15    (  -6.24,   7.62)   68.62            600
 03/13/2013   01:47:32   (   1.77, 176.81) 03/13/2013   01:38:45    (   1.58, 175.96)   97.33            527
 03/15/2013   17:15:23   (  -4.83, 124.41) 03/15/2013   17:05:46    (  -4.70, 123.73)   77.24            577
 03/18/2013   09:31:30   (  -3.33,-119.39) 03/18/2013   09:22:18    (  -3.17,-120.17)   87.48            552
 03/21/2013   00:59:27   (   6.21,-171.79) 03/21/2013   00:49:27    (   6.22,-172.42)   69.00            600
 03/21/2013   01:47:37   (  -1.85,  -3.20) 03/21/2013   01:38:50    (  -1.64,  -4.06)   97.95            527
 03/23/2013   17:15:34   (   4.77, -55.61) 03/23/2013   17:05:58    (   4.64, -56.30)   77.99            576