Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2021 6 4.  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)
 06/13/2021   19:35:53   (  78.25,-139.99) 06/13/2021   19:34:38  (  78.23,-140.08)    3.52                75
 06/13/2021   20:26:38   ( -78.26,  27.26) 06/13/2021   20:25:34  ( -78.26,  27.42)    3.80                64
 06/13/2021   21:17:23   (  78.26,-165.39) 06/13/2021   21:16:38  (  78.24,-165.50)    3.26                45
 06/13/2021   22:08:08   ( -78.27,   1.86) 06/13/2021   22:07:34  ( -78.28,   2.00)    3.31                34
 06/13/2021   22:58:53   (  78.26, 169.22) 06/13/2021   22:58:38  (  78.25, 169.08)    3.40                15
 06/13/2021   23:49:38   ( -78.27, -23.53) 06/13/2021   23:49:34  ( -78.29, -23.42)    3.20                 4
 06/14/2021   00:40:23   (  78.26, 143.83) 06/14/2021   00:40:38  (  78.26, 143.65)    3.89                15
 06/14/2021   01:31:08   ( -78.27, -48.93) 06/14/2021   01:31:35  ( -78.26, -49.07)    3.39                27
 06/14/2021   02:21:54   (  78.31, 118.21) 06/14/2021   02:22:38  (  78.27, 118.23)    3.60                44
 06/14/2021   03:12:38   ( -78.28, -74.32) 06/14/2021   03:13:35  ( -78.28, -74.49)    3.80                57
 06/14/2021   04:03:24   (  78.31,  92.82) 06/14/2021   04:04:38  (  78.29,  92.81)    2.65                74