Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 1 10.  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   ( -78.38,-115.45) 01/16/2021   05:37:49  ( -78.41,-111.39)   90.78                64
 01/16/2021   06:27:40   (  78.73,  54.17) 01/16/2021   06:28:42  (  78.71,  54.12)    2.13                62
 01/16/2021   07:18:35   ( -78.71,-138.69) 01/16/2021   07:19:26  ( -78.72,-138.62)    1.68                51
 01/16/2021   08:09:39   (  78.74,  28.78) 01/16/2021   08:10:11  (  78.71,  28.73)    3.40                32
 01/16/2021   09:00:35   ( -78.73,-164.08) 01/16/2021   09:00:56  ( -78.72,-164.02)    1.21                21
 01/16/2021   09:51:40   (  78.72,   3.14) 01/16/2021   09:51:42  (  78.76,   3.09)    3.61                 2
 01/16/2021   10:42:35   ( -78.74, 170.53) 01/16/2021   10:42:26  ( -78.73, 170.58)    1.87                 9
 01/16/2021   11:33:40   (  78.74, -22.25) 01/16/2021   11:33:12  (  78.76, -22.31)    2.49                28
 01/16/2021   12:24:35   ( -78.76, 145.15) 01/16/2021   12:23:56  ( -78.73, 145.19)    2.97                39
 01/16/2021   13:15:40   (  78.75, -47.64) 01/16/2021   13:14:42  (  78.76, -47.70)    1.68                58
 01/16/2021   14:06:36   ( -78.74, 119.51) 01/16/2021   14:05:27  ( -78.77, 119.55)    3.90                69