Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 5 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)
 06/06/2021   15:01:13   ( -77.88, 106.03) 06/06/2021   15:02:17  ( -77.93, 109.98)   92.19                64
 06/06/2021   15:52:07   (  78.27, -84.46) 06/06/2021   15:53:10  (  78.25, -84.38)    2.89                63
 06/06/2021   16:43:03   ( -78.27,  82.81) 06/06/2021   16:43:55  ( -78.25,  82.89)    2.40                52
 06/06/2021   17:34:07   (  78.28,-109.88) 06/06/2021   17:34:41  (  78.29,-109.99)    2.66                34
 06/06/2021   18:25:03   ( -78.28,  57.39) 06/06/2021   18:25:26  ( -78.30,  57.29)    2.86                23
 06/06/2021   19:16:07   (  78.29,-135.30) 06/06/2021   19:16:11  (  78.29,-135.37)    1.75                 4
 06/06/2021   20:07:03   ( -78.29,  31.97) 06/06/2021   20:06:56  ( -78.30,  31.90)    1.68                 7
 06/06/2021   20:58:07   (  78.31,-160.72) 06/06/2021   20:57:41  (  78.29,-160.76)    1.72                26
 06/06/2021   21:49:03   ( -78.31,   6.56) 06/06/2021   21:48:26  ( -78.30,   6.52)    1.20                37
 06/06/2021   22:40:07   (  78.32, 173.86) 06/06/2021   22:39:11  (  78.29, 173.85)    2.59                56
 06/06/2021   23:31:03   ( -78.32, -18.86) 06/06/2021   23:29:56  ( -78.30, -18.87)    2.00                67