Simultaneous Nadir Overpasses (SNOs) near equator between AQUA and NPP
TLE Epoch: 2013 3 20.  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   00:59:26   (   6.21,-171.79) 03/21/2013   00:49:26    (   6.13,-172.40)   68.10            600
 03/21/2013   01:47:34   (  -1.73,  -3.17) 03/21/2013   01:38:49    (  -1.56,  -4.04)   98.34            525
 03/23/2013   17:15:29   (   4.64, -55.57) 03/23/2013   17:05:55    (   4.49, -56.26)   78.76            574
 03/26/2013   09:31:31   (   3.00,  60.67) 03/26/2013   09:22:24    (   2.80,  59.88)   89.99            547
 03/29/2013   00:59:15   (  -5.81,   8.33) 03/29/2013   00:49:22    (  -5.69,   7.70)   71.24            593
 03/31/2013   17:15:15   (  -4.13, 124.58) 03/31/2013   17:05:50    (  -3.95, 123.86)   82.95            565
 04/03/2013   08:48:35   (  26.82,  67.68) 04/03/2013   08:38:35    (  26.79,  66.85)   82.72            600
 04/03/2013   09:31:11   (  -2.31,-119.13) 04/03/2013   09:22:16    (  -2.14,-119.97)   94.84            535