Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 6 3.  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   ( -77.91, 106.15) 06/06/2021   15:02:17  ( -77.96, 109.84)   85.90                65
 06/06/2021   15:52:07   (  78.26, -84.51) 06/06/2021   15:53:10  (  78.27, -84.49)    0.78                63
 06/06/2021   16:43:03   ( -78.25,  82.72) 06/06/2021   16:43:55  ( -78.28,  82.75)    2.82                52
 06/06/2021   17:34:07   (  78.27,-109.93) 06/06/2021   17:34:40  (  78.27,-109.87)    1.49                33
 06/06/2021   18:25:03   ( -78.27,  57.30) 06/06/2021   18:25:25  ( -78.28,  57.36)    2.07                22
 06/06/2021   19:16:07   (  78.29,-135.35) 06/06/2021   19:16:10  (  78.27,-135.26)    2.77                 3
 06/06/2021   20:07:03   ( -78.28,  31.88) 06/06/2021   20:06:55  ( -78.28,  31.98)    2.13                 8
 06/06/2021   20:58:07   (  78.30,-160.77) 06/06/2021   20:57:41  (  78.31,-160.86)    2.53                26
 06/06/2021   21:49:03   ( -78.29,   6.46) 06/06/2021   21:48:25  ( -78.29,   6.59)    2.95                38
 06/06/2021   22:40:07   (  78.31, 173.81) 06/06/2021   22:39:11  (  78.31, 173.75)    1.31                56
 06/06/2021   23:31:03   ( -78.31, -18.95) 06/06/2021   23:29:56  ( -78.33, -19.01)    2.78                67