Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 1 15.  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)
 01/16/2021   05:36:45   ( -78.36,-115.57) 01/16/2021   05:37:48  ( -78.39,-111.28)   96.07                63
 01/16/2021   06:27:40   (  78.71,  54.06) 01/16/2021   06:28:42  (  78.73,  54.03)    1.49                62
 01/16/2021   07:18:35   ( -78.73,-138.57) 01/16/2021   07:19:26  ( -78.70,-138.51)    3.22                51
 01/16/2021   08:09:40   (  78.73,  28.67) 01/16/2021   08:10:12  (  78.73,  28.63)    0.83                32
 01/16/2021   09:00:36   ( -78.71,-164.20) 01/16/2021   09:00:57  ( -78.74,-164.14)    3.93                21
 01/16/2021   09:51:40   (  78.74,   3.28) 01/16/2021   09:51:42  (  78.73,   3.23)    1.61                 2
 01/16/2021   10:42:36   ( -78.72, 170.41) 01/16/2021   10:42:27  ( -78.75, 170.46)    2.69                 9
 01/16/2021   11:33:40   (  78.76, -22.11) 01/16/2021   11:33:12  (  78.74, -22.16)    2.81                28
 01/16/2021   12:24:36   ( -78.74, 145.02) 01/16/2021   12:23:57  ( -78.75, 145.07)    1.54                39
 01/16/2021   13:15:41   (  78.74, -47.75) 01/16/2021   13:14:42  (  78.74, -47.56)    4.02                59
 01/16/2021   14:06:36   ( -78.75, 119.63) 01/16/2021   14:05:27  ( -78.75, 119.67)    0.94                69