Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 5 30.  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)
 06/06/2021   15:01:12   ( -77.90, 106.13) 06/06/2021   15:02:16  ( -77.92, 110.03)   90.85                64
 06/06/2021   15:52:07   (  78.25, -84.55) 06/06/2021   15:53:10  (  78.27, -84.52)    2.20                63
 06/06/2021   16:43:03   ( -78.25,  82.70) 06/06/2021   16:43:55  ( -78.28,  82.73)    3.68                52
 06/06/2021   17:34:07   (  78.27,-109.97) 06/06/2021   17:34:40  (  78.27,-109.91)    1.77                33
 06/06/2021   18:25:03   ( -78.26,  57.28) 06/06/2021   18:25:25  ( -78.28,  57.35)    2.86                22
 06/06/2021   19:16:07   (  78.28,-135.40) 06/06/2021   19:16:10  (  78.28,-135.29)    2.30                 3
 06/06/2021   20:07:03   ( -78.28,  31.86) 06/06/2021   20:06:55  ( -78.29,  31.96)    2.59                 8
 06/06/2021   20:58:07   (  78.29,-160.82) 06/06/2021   20:57:40  (  78.28,-160.68)    3.35                27
 06/06/2021   21:49:03   ( -78.29,   6.44) 06/06/2021   21:48:25  ( -78.29,   6.57)    3.02                38
 06/06/2021   22:40:07   (  78.30, 173.76) 06/06/2021   22:39:11  (  78.32, 173.71)    2.22                56
 06/06/2021   23:31:03   ( -78.30, -18.98) 06/06/2021   23:29:56  ( -78.33, -19.03)    3.49                67