Simultaneous Nadir Overpasses (SNOs) near equator between AQUA and NPP
TLE Epoch: 2013 3 19.  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)
 03/21/2013   00:59:25   (   6.20,-171.78) 03/21/2013   00:49:25    (   6.13,-172.40)   68.12            600
 03/21/2013   01:47:33   (  -1.72,  -3.17) 03/21/2013   01:38:48    (  -1.55,  -4.04)   98.32            525
 03/23/2013   17:15:29   (   4.61, -55.56) 03/23/2013   17:05:55    (   4.49, -56.26)   78.65            574
 03/26/2013   09:31:32   (   3.01,  60.66) 03/26/2013   09:22:25    (   2.86,  59.87)   89.67            547
 03/29/2013   00:59:18   (  -5.91,   8.31) 03/29/2013   00:49:23    (  -5.76,   7.69)   70.68            595
 03/31/2013   17:15:18   (  -4.25, 124.55) 03/31/2013   17:05:51    (  -4.07, 123.83)   82.17            567