Simultaneous Nadir Overpasses (SNOs) near equator between AQUA and NPP
TLE Epoch: 2013 4 12.  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)
 04/14/2013   01:03:20   ( -18.91,   5.36) 04/14/2013   00:53:20    ( -18.94,   4.60)   79.76            600
 04/14/2013   01:48:13   (   2.13, 176.66) 04/14/2013   01:39:20    (   1.97, 175.81)   95.24            533
 04/16/2013   17:16:01   (  -5.14, 124.28) 04/16/2013   17:06:19    (  -4.98, 123.61)   75.71            582
 04/19/2013   09:32:02   (  -3.49,-119.48) 04/19/2013   09:22:48    (  -3.34,-120.25)   86.52            554
 04/22/2013   00:59:53   (   6.24,-171.84) 04/22/2013   00:49:53    (   6.23,-172.46)   68.36            600
 04/22/2013   01:48:01   (  -1.77,  -3.23) 04/22/2013   01:39:15    (  -1.60,  -4.09)   97.51            526
 04/24/2013   17:15:51   (   4.57, -55.59) 04/24/2013   17:06:18    (   4.43, -56.28)   78.50            573