Simultaneous Nadir Overpasses (SNOs) between METOP-B and NPP
TLE Epoch: 2018 7 11.  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)
 07/11/2018   22:30:08   (  72.81,-166.03) 07/11/2018   22:30:57  (  72.78,-165.99)    3.12                49
 07/11/2018   23:20:50   ( -72.78,   1.24) 07/11/2018   23:21:41  ( -72.80,   1.29)    2.71                51
 07/12/2018   00:11:30   (  72.78, 168.58) 07/12/2018   00:12:27  (  72.79, 168.62)    1.43                57
 07/12/2018   01:02:11   ( -72.81, -24.05) 07/12/2018   01:03:11  ( -72.80, -24.10)    1.63                60
 07/12/2018   01:52:51   (  72.81, 143.29) 07/12/2018   01:53:57  (  72.79, 143.23)    2.69                66
 07/12/2018   02:43:33   ( -72.78, -49.44) 07/12/2018   02:44:40  ( -72.76, -49.38)    3.17                67
 07/12/2018   03:34:13   (  72.79, 117.90) 07/12/2018   03:35:27  (  72.80, 117.85)    2.48                74
 07/12/2018   04:24:56   ( -72.71, -74.93) 07/12/2018   04:26:10  ( -72.77, -74.76)    8.52                74
 07/12/2018   05:15:41   (  72.46,  91.89) 07/12/2018   05:16:51  (  72.50,  93.09)   40.21                70
 07/12/2018   06:06:23   ( -72.43,-100.83) 07/12/2018   06:07:34  ( -72.47, -99.53)   43.90                71
 07/12/2018   06:57:08   (  72.17,  66.01) 07/12/2018   06:58:15  (  72.20,  68.31)   78.29                67
 07/12/2018   07:47:51   ( -72.10,-126.81) 07/12/2018   07:48:58  ( -72.17,-124.31)   85.68                67