Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP
TLE Epoch: 2015 4 20.  Predictions up to the next  14.0 days:

     Date     Time(AQUA) AQUA Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/20/2015   03:58:52   (  61.50, -20.30) 04/20/2015   03:58:58  (  61.60, -20.81)   29.33                 6
 04/20/2015   04:42:05   ( -80.56,-166.82) 04/20/2015   04:43:19  ( -80.26,-165.89)   38.36                74
 04/22/2015   19:24:10   ( -67.62, -66.56) 04/22/2015   19:23:16  ( -67.62, -66.56)    0.31                54
 04/22/2015   20:12:27   (  71.35, 106.13) 04/22/2015   20:12:49  (  71.36, 106.18)    1.98                22
 04/25/2015   11:40:22   ( -68.54,  50.40) 04/25/2015   11:39:49  ( -68.54,  50.39)    0.75                33
 04/25/2015   12:28:41   (  72.13,-136.66) 04/25/2015   12:29:24  (  72.14,-136.60)    2.03                43
 04/28/2015   03:56:33   ( -69.45, 167.45) 04/28/2015   03:56:22  ( -69.45, 167.41)    1.86                11
 04/28/2015   04:44:55   (  72.85, -19.45) 04/28/2015   04:46:00  (  72.86, -19.39)    1.93                65
 04/30/2015   19:24:09   (  67.27, 113.07) 04/30/2015   19:23:05  (  67.27, 113.07)    0.07                64
 04/30/2015   20:12:27   ( -71.16, -74.17) 04/30/2015   20:12:38  ( -71.17, -74.11)    2.00                11
 05/03/2015   11:40:18   (  68.18,-130.01) 05/03/2015   11:39:38  (  68.17,-130.05)    2.08                40