Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2015 1 31.  Predictions up to the next  30.0 days:

Date(AQUA)     Time(AQUA)   AQUA Lat/Lon   Date(NPP)     Time(NPP)    NPP Lat/Lon    Distance (km)   Time Diff(sec)
 02/07/2015   02:39:55   (  11.27, 162.40) 02/07/2015   02:39:34    (  11.07, 161.31)  121.37             21
 02/09/2015   16:22:06   (  10.01, 139.96) 02/09/2015   16:18:36    (   8.20, 139.50)  207.89            210
 02/15/2015   03:28:54   (  10.07, 150.35) 02/15/2015   03:29:38    (   9.77, 148.96)  156.20             44
 02/23/2015   02:39:50   (  12.34, 162.30) 02/23/2015   02:39:12    (  12.11, 161.16)  126.02             38
 02/25/2015   16:21:39   (  10.04, 140.11) 02/25/2015   16:18:10    (   7.37, 139.40)  306.55            209