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   00:59:29   (   7.26,-171.97) 05/21/2012   00:49:29    (   7.34,-172.60)   70.01            600
 05/21/2012   01:47:23   (  -1.93,  -3.18) 05/21/2012   01:38:34    (  -1.74,  -4.01)   94.91            529
 05/23/2012   17:15:14   (   4.82, -55.56) 05/23/2012   17:05:37    (   4.70, -56.23)   75.33            577
 05/26/2012   09:31:12   (   3.21,  60.67) 05/26/2012   09:22:02    (   3.06,  59.91)   86.19            550
 05/29/2012   00:58:53   (  -6.09,   8.33) 05/29/2012   00:48:55    (  -5.96,   7.74)   66.85            598
 05/29/2012   01:47:08   (   1.52, 176.93) 05/29/2012   01:38:26    (   1.34, 176.07)   97.29            522
 05/31/2012   17:14:47   (  -4.37, 124.60) 05/31/2012   17:05:18    (  -4.24, 123.90)   78.31            569
 06/03/2012   08:48:52   (  29.98,  66.96) 06/03/2012   08:38:52    (  30.13,  66.08)   86.63            600