Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 5 24.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-21) NOAA-21 Lat/Lon Date Time(NOAA-19) NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 06/07/2023   00:05:50   (  74.82, 165.32) 06/07/2023   00:04:40  (  74.82, 163.43)   54.95                70
 06/07/2023   00:56:41   ( -75.14, -28.28) 06/07/2023   00:55:33  ( -75.14, -28.37)    2.56                68
 06/07/2023   01:47:27   (  75.16, 138.97) 06/07/2023   01:46:32  (  75.15, 138.94)    1.07                55
 06/07/2023   02:38:12   ( -75.19, -53.81) 06/07/2023   02:37:31  ( -75.19, -53.71)    2.91                41