Simultaneous Nadir Overpasses (SNOs) between METOP-B and NPP
TLE Epoch: 2018 10 22.  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)
 10/22/2018   05:54:26   ( -72.86, -97.15) 10/22/2018   05:55:38  ( -72.84, -97.12)    2.79                72
 10/22/2018   06:45:10   (  72.64,  69.73) 10/22/2018   06:46:22  (  72.72,  70.42)   24.83                72
 10/22/2018   07:35:52   ( -72.64,-122.96) 10/22/2018   07:37:04  ( -72.64,-122.09)   28.78                72
 10/22/2018   08:26:37   (  72.36,  43.83) 10/22/2018   08:27:46  (  72.42,  45.65)   61.72                69
 10/22/2018   09:17:20   ( -72.31,-148.95) 10/22/2018   09:18:28  ( -72.34,-146.86)   70.54                68