Simultaneous Nadir Overpasses (SNOs) near equator between AQUA and NPP
TLE Epoch: 2013 4 22.  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)
 04/24/2013   17:16:03   (   4.91, -55.70) 04/24/2013   17:06:24    (   4.75, -56.36)   75.19            579
 04/27/2013   09:32:05   (   3.30,  60.53) 04/27/2013   09:22:53    (   3.12,  59.78)   85.55            552
 04/30/2013   00:59:50   (  -6.20,   8.17) 04/30/2013   00:49:51    (  -6.10,   7.59)   65.98            599
 04/30/2013   01:48:05   (   1.61, 176.77) 04/30/2013   01:39:21    (   1.44, 175.93)   95.97            524
 05/02/2013   17:15:49   (  -4.48, 124.43) 05/02/2013   17:06:18    (  -4.36, 123.75)   76.63            571
 05/05/2013   08:49:55   (  29.95,  66.80) 05/05/2013   08:39:55    (  30.30,  65.88)   96.29            600
 05/05/2013   09:31:47   (  -2.79,-119.32) 05/05/2013   09:22:44    (  -2.63,-120.09)   87.41            543