Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2019 4 9.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-19) NOAA-19 Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/12/2019   06:21:48   (  80.02,  42.06) 04/12/2019   06:22:56  (  80.06,  44.82)   53.41                68
 04/12/2019   07:12:38   ( -80.15,-148.82) 04/12/2019   07:13:44  ( -80.15,-148.86)    0.62                66
 04/12/2019   08:03:43   (  80.15,  18.43) 04/12/2019   08:04:29  (  80.15,  18.48)    1.07                46
 04/12/2019   08:54:39   ( -80.15,-174.36) 04/12/2019   08:55:14  ( -80.16,-174.28)    1.80                35
 04/12/2019   09:45:44   (  80.15,  -7.10) 04/12/2019   09:45:59  (  80.15,  -6.94)    3.16                15
 04/12/2019   10:36:39   ( -80.17, 160.43) 04/12/2019   10:36:44  ( -80.16, 160.30)    2.54                 5
 04/12/2019   11:27:44   (  80.17, -32.31) 04/12/2019   11:27:29  (  80.16, -32.36)    1.54                15
 04/12/2019   12:18:40   ( -80.16, 134.89) 04/12/2019   12:18:14  ( -80.16, 134.88)    0.29                26
 04/12/2019   13:09:45   (  80.17, -57.85) 04/12/2019   13:08:59  (  80.16, -57.78)    1.29                46
 04/12/2019   14:00:41   ( -80.16, 109.36) 04/12/2019   13:59:44  ( -80.17, 109.46)    1.97                57