Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 6 1.  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   ( -77.92, 106.24) 06/06/2021   15:02:17  ( -77.94, 109.93)   85.64                65
 06/06/2021   15:52:07   (  78.27, -84.43) 06/06/2021   15:53:10  (  78.25, -84.41)    2.58                63
 06/06/2021   16:43:03   ( -78.27,  82.82) 06/06/2021   16:43:55  ( -78.26,  82.84)    0.81                52
 06/06/2021   17:34:07   (  78.29,-109.85) 06/06/2021   17:34:41  (  78.29,-110.01)    3.80                34
 06/06/2021   18:25:03   ( -78.28,  57.40) 06/06/2021   18:25:25  ( -78.27,  57.45)    2.20                22
 06/06/2021   19:16:07   (  78.30,-135.27) 06/06/2021   19:16:11  (  78.29,-135.40)    2.98                 4
 06/06/2021   20:07:03   ( -78.29,  31.98) 06/06/2021   20:06:56  ( -78.31,  31.85)    3.27                 7
 06/06/2021   20:58:07   (  78.31,-160.69) 06/06/2021   20:57:41  (  78.30,-160.78)    2.66                26
 06/06/2021   21:49:03   ( -78.31,   6.56) 06/06/2021   21:48:26  ( -78.31,   6.46)    2.22                37
 06/06/2021   22:40:07   (  78.32, 173.89) 06/06/2021   22:39:11  (  78.30, 173.83)    3.01                56
 06/06/2021   23:31:03   ( -78.32, -18.86) 06/06/2021   23:29:56  ( -78.31, -18.93)    1.75                67