Simultaneous Nadir Overpasses (SNOs) between METOP-A and NPP
TLE Epoch: 2019 12 7.  Predictions up to the next  14.0 days:

     Date     Time(METOP-A) METOP-A Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/21/2019   15:46:56   (  75.54, -67.89) 12/21/2019   15:45:51  (  75.52, -71.47)   99.44                65
 12/21/2019   16:37:40   ( -75.44,  99.16) 12/21/2019   16:36:33  ( -75.41,  96.19)   83.00                67
 12/21/2019   17:28:25   (  75.18, -94.27) 12/21/2019   17:27:14  (  75.20, -95.86)   45.18                71
 12/21/2019   18:19:09   ( -75.09,  72.79) 12/21/2019   18:17:56  ( -75.09,  71.78)   28.85                73
 12/21/2019   19:09:52   (  74.92,-120.35) 12/21/2019   19:08:38  (  74.92,-120.43)    2.41                74
 12/21/2019   20:00:34   ( -74.93,  47.00) 12/21/2019   19:59:22  ( -74.90,  46.93)    3.15                72
 12/21/2019   20:51:14   (  74.90,-145.74) 12/21/2019   20:50:07  (  74.88,-145.69)    2.88                67
 12/21/2019   21:41:56   ( -74.91,  21.60) 12/21/2019   21:40:52  ( -74.91,  21.54)    1.81                64