Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2021 5 17.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-20) NOAA-20 Lat/Lon Date Time(NOAA-19) NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 05/30/2021   15:34:48   (  78.31, -80.02) 05/30/2021   15:33:36  (  78.28, -80.03)    3.53                72
 05/30/2021   16:25:32   ( -78.28,  87.45) 05/30/2021   16:24:31  ( -78.30,  87.36)    2.60                61
 05/30/2021   17:16:18   (  78.31,-105.41) 05/30/2021   17:15:36  (  78.29,-105.45)    2.61                42
 05/30/2021   18:07:03   ( -78.33,  61.83) 05/30/2021   18:06:31  ( -78.31,  61.94)    2.91                32
 05/30/2021   18:57:48   (  78.32,-130.81) 05/30/2021   18:57:36  (  78.30,-130.87)    1.99                12
 05/30/2021   19:48:33   ( -78.33,  36.44) 05/30/2021   19:48:31  ( -78.32,  36.52)    1.94                 2
 05/30/2021   20:39:18   (  78.32,-156.20) 05/30/2021   20:39:36  (  78.32,-156.29)    1.96                18
 05/30/2021   21:30:03   ( -78.33,  11.05) 05/30/2021   21:30:31  ( -78.34,  11.10)    1.39                28
 05/30/2021   22:20:48   (  78.32, 178.40) 05/30/2021   22:21:36  (  78.33, 178.30)    2.54                48
 05/30/2021   23:11:33   ( -78.34, -14.35) 05/30/2021   23:12:31  ( -78.35, -14.31)    1.70                58
 05/31/2021   00:02:22   (  78.48, 152.11) 05/31/2021   00:03:33  (  78.45, 153.58)   32.82                71