Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2021 5 16.  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)
 05/16/2021   18:19:44   (  78.40,-121.74) 05/16/2021   18:20:30  (  78.38,-121.64)    3.12                46
 05/16/2021   19:10:28   ( -78.39,  45.65) 05/16/2021   19:11:26  ( -78.39,  45.67)    0.56                58
 05/16/2021   20:01:15   (  78.48,-147.59) 05/16/2021   20:02:27  (  78.47,-146.59)   22.32                72
 05/30/2021   15:34:48   (  78.28, -79.86) 05/30/2021   15:33:36  (  78.29, -79.95)    2.31                72
 05/30/2021   16:25:33   ( -78.29,  87.39) 05/30/2021   16:24:31  ( -78.31,  87.45)    2.47                62