Simultaneous Nadir Overpasses (SNOs) between METOP-B and NPP
TLE Epoch: 2018 8 31.  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)
 08/31/2018   19:51:58   (  72.85,-126.61) 08/31/2018   19:52:52  (  72.86,-126.58)    2.16                54
 08/31/2018   20:42:40   ( -72.85,  40.73) 08/31/2018   20:43:36  ( -72.86,  40.75)    0.84                56
 08/31/2018   21:33:19   (  72.87,-151.90) 08/31/2018   21:34:22  (  72.87,-151.96)    2.18                63
 08/31/2018   22:24:01   ( -72.88,  15.44) 08/31/2018   22:25:06  ( -72.86,  15.36)    3.16                65
 08/31/2018   23:14:41   (  72.85,-177.29) 08/31/2018   23:15:52  (  72.87,-177.34)    3.05                71
 09/01/2018   00:05:23   ( -72.85,  -9.95) 09/01/2018   00:06:36  ( -72.86, -10.02)    2.38                73
 09/01/2018   00:56:06   (  72.67, 157.00) 09/01/2018   00:57:19  (  72.72, 157.59)   20.37                73
 09/01/2018   01:46:50   ( -72.58, -35.86) 09/01/2018   01:48:01  ( -72.61, -34.87)   33.23                71
 09/01/2018   02:37:34   (  72.34, 131.00) 09/01/2018   02:38:42  (  72.37, 132.93)   65.33                68
 09/01/2018   03:28:17   ( -72.30, -61.76) 09/01/2018   03:29:25  ( -72.31, -59.64)   71.52                68