Simultaneous Nadir Overpasses (SNOs) near equator between AQUA and NPP
TLE Epoch: 2012 5 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)
 05/21/2012   00:59:32   (   7.44,-172.01) 05/21/2012   00:49:32    (   7.52,-172.64)   70.06            600
 05/21/2012   01:47:23   (  -1.93,  -3.18) 05/21/2012   01:38:34    (  -1.74,  -4.01)   94.77            529
 05/23/2012   17:15:15   (   4.87, -55.58) 05/23/2012   17:05:37    (   4.70, -56.23)   75.17            578
 05/26/2012   09:31:12   (   3.19,  60.67) 05/26/2012   09:22:02    (   3.06,  59.91)   85.94            550
 05/29/2012   00:58:55   (  -6.17,   8.31) 05/29/2012   00:48:56    (  -6.02,   7.73)   66.53            599
 05/29/2012   01:47:09   (   1.54, 176.92) 05/29/2012   01:38:26    (   1.35, 176.07)   96.84            523
 05/31/2012   17:14:49   (  -4.43, 124.58) 05/31/2012   17:05:19    (  -4.30, 123.89)   77.76            570