Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 2 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)
 02/27/2021   14:16:49   ( -78.31, 115.78) 02/27/2021   14:17:56  ( -78.38, 118.74)   66.80                67
 02/27/2021   15:07:39   (  78.60, -75.08) 02/27/2021   15:08:47  (  78.60, -75.25)    3.74                68
 02/27/2021   15:58:42   ( -78.58,  92.03) 02/27/2021   15:59:32  ( -78.61,  91.98)    3.87                50
 02/27/2021   16:49:40   (  78.58,-100.72) 02/27/2021   16:50:17  (  78.60,-100.65)    3.12                37
 02/27/2021   17:40:42   ( -78.59,  66.64) 02/27/2021   17:41:02  ( -78.61,  66.58)    2.77                20
 02/27/2021   18:31:40   (  78.59,-126.11) 02/27/2021   18:31:47  (  78.60,-126.05)    2.14                 7
 02/27/2021   19:22:42   ( -78.61,  41.24) 02/27/2021   19:22:32  ( -78.62,  41.18)    1.86                10
 02/27/2021   20:13:40   (  78.60,-151.51) 02/27/2021   20:13:17  (  78.61,-151.45)    1.46                23
 02/27/2021   21:04:42   ( -78.62,  15.85) 02/27/2021   21:04:02  ( -78.62,  15.78)    1.51                40
 02/27/2021   21:55:40   (  78.62,-176.91) 02/27/2021   21:54:47  (  78.61,-176.85)    1.52                53
 02/27/2021   22:46:42   ( -78.64,  -9.54) 02/27/2021   22:45:32  ( -78.63,  -9.62)    2.01                70