Simultaneous Nadir Overpasses (SNOs) between NPP and METOP-C
TLE Epoch: 2019 6 21.  Predictions up to the next  14.0 days:

     Date     Time(NPP) NPP Lat/Lon Date Time(METOP-C) METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 06/21/2019   05:17:14   ( -72.63, -87.30) 06/21/2019   05:16:02  ( -72.60, -87.23)    3.27                72
 06/21/2019   06:07:57   (  72.46,  80.33) 06/21/2019   06:06:44  (  72.46,  79.81)   17.63                73
 06/21/2019   06:58:40   ( -72.43,-112.27) 06/21/2019   06:57:27  ( -72.43,-112.92)   21.70                73
 06/21/2019   07:49:21   (  72.16,  55.56) 06/21/2019   07:48:11  (  72.18,  53.93)   55.53                70
 06/21/2019   08:40:04   ( -72.12,-137.06) 06/21/2019   08:38:54  ( -72.16,-138.80)   59.52                70
 06/21/2019   09:30:45   (  71.86,  30.76) 06/21/2019   09:29:39  (  71.85,  27.96)   96.82                66