Simultaneous Nadir Overpasses (SNOs) between METOP-B and NPP
TLE Epoch: 2017 8 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)
 09/04/2017   18:31:46   ( -73.54,  75.48) 09/04/2017   18:30:39  ( -73.50,  72.61)   90.86                67
 09/04/2017   19:22:30   (  73.30,-117.73) 09/04/2017   19:21:20  (  73.27,-119.56)   58.40                70
 09/04/2017   20:13:14   ( -73.22,  49.42) 09/04/2017   20:12:03  ( -73.21,  47.90)   48.78                71
 09/04/2017   21:03:58   (  72.97,-143.78) 09/04/2017   21:02:44  (  72.97,-144.28)   16.16                74
 09/04/2017   21:54:42   ( -72.89,  23.38) 09/04/2017   21:53:27  ( -72.91,  23.17)    6.98                75
 09/04/2017   22:45:22   (  72.84,-169.39) 09/04/2017   22:44:11  (  72.82,-169.34)    2.76                71
 09/04/2017   23:36:04   ( -72.87,  -2.01) 09/04/2017   23:34:56  ( -72.86,  -2.10)    3.05                68
 09/05/2017   00:26:44   (  72.82, 165.22) 09/05/2017   00:25:41  (  72.83, 165.28)    2.15                63
 09/05/2017   01:17:25   ( -72.84, -27.40) 09/05/2017   01:16:25  ( -72.86, -27.48)    3.29                60
 09/05/2017   02:08:04   (  72.85, 139.94) 09/05/2017   02:07:10  (  72.83, 139.90)    2.20                54
 09/05/2017   02:58:47   ( -72.82, -52.79) 09/05/2017   02:57:54  ( -72.81, -52.75)    1.40                53
 09/05/2017   03:49:26   (  72.82, 114.55) 09/05/2017   03:48:40  (  72.83, 114.52)    1.31                46
 09/05/2017   04:40:09   ( -72.80, -78.18) 09/05/2017   04:39:24  ( -72.82, -78.13)    2.89                45
 09/05/2017   05:30:48   (  72.80,  89.16) 09/05/2017   05:30:09  (  72.78,  89.25)    3.48                39