Simultaneous Nadir Overpasses (SNOs) between METOP-B and NPP
TLE Epoch: 2016 9 10.  Predictions up to the next  14.0 days:

     Date     Time(METOP-B) METOP-B Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/10/2016   19:51:50   (  72.65,-125.95) 09/10/2016   19:52:48  (  72.62,-125.96)    2.64                58
 09/10/2016   20:42:32   ( -72.66,  41.39) 09/10/2016   20:43:32  ( -72.64,  41.33)    3.02                60
 09/10/2016   21:33:12   (  72.63,-151.33) 09/10/2016   21:34:18  (  72.63,-151.35)    0.67                66
 09/10/2016   22:23:54   ( -72.64,  16.01) 09/10/2016   22:25:02  ( -72.64,  15.94)    2.46                68
 09/10/2016   23:14:34   (  72.61,-176.71) 09/10/2016   23:15:48  (  72.64,-176.74)    3.40                74
 09/11/2016   00:05:17   ( -72.57,  -9.47) 09/11/2016   00:06:31  ( -72.60,  -9.34)    5.43                74
 09/11/2016   00:56:01   (  72.33, 157.40) 09/11/2016   00:57:12  (  72.34, 158.49)   36.58                71
 09/11/2016   01:46:45   ( -72.24, -35.45) 09/11/2016   01:47:55  ( -72.30, -34.12)   45.43                70
 09/11/2016   02:37:29   (  72.01, 131.43) 09/11/2016   02:38:36  (  72.04, 133.69)   77.69                67
 09/11/2016   03:28:12   ( -71.97, -61.32) 09/11/2016   03:29:19  ( -72.00, -58.92)   82.47                67