Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 2 24.  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)
 02/27/2021   14:16:49   ( -78.31, 115.78) 02/27/2021   14:17:56  ( -78.36, 118.81)   68.26                67
 02/27/2021   15:07:39   (  78.60, -75.04) 02/27/2021   15:08:47  (  78.58, -75.13)    3.44                68
 02/27/2021   15:58:42   ( -78.58,  92.03) 02/27/2021   15:59:32  ( -78.60,  92.05)    2.42                50
 02/27/2021   16:49:40   (  78.58,-100.68) 02/27/2021   16:50:17  (  78.58,-100.53)    3.34                37
 02/27/2021   17:40:42   ( -78.59,  66.63) 02/27/2021   17:41:02  ( -78.60,  66.65)    1.23                20
 02/27/2021   18:31:40   (  78.59,-126.08) 02/27/2021   18:31:47  (  78.58,-125.93)    3.51                 7
 02/27/2021   19:22:42   ( -78.61,  41.24) 02/27/2021   19:22:32  ( -78.61,  41.25)    0.32                10
 02/27/2021   20:13:40   (  78.61,-151.48) 02/27/2021   20:13:18  (  78.63,-151.56)    2.64                22
 02/27/2021   21:04:42   ( -78.62,  15.84) 02/27/2021   21:04:02  ( -78.61,  15.85)    1.25                40
 02/27/2021   21:55:40   (  78.62,-176.88) 02/27/2021   21:54:48  (  78.63,-176.96)    2.03                52
 02/27/2021   22:46:42   ( -78.64,  -9.55) 02/27/2021   22:45:32  ( -78.61,  -9.55)    2.43                70