Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2021 6 1.  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   19:35:52   (  78.22,-139.79) 06/13/2021   19:34:38  (  78.21,-140.15)    8.10                74
 06/13/2021   20:26:38   ( -78.26,  27.25) 06/13/2021   20:25:34  ( -78.25,  27.37)    2.83                64
 06/13/2021   21:17:23   (  78.26,-165.40) 06/13/2021   21:16:37  (  78.26,-165.34)    1.44                46
 06/13/2021   22:08:08   ( -78.27,   1.86) 06/13/2021   22:07:34  ( -78.27,   1.94)    1.94                34
 06/13/2021   22:58:53   (  78.26, 169.21) 06/13/2021   22:58:37  (  78.27, 169.24)    1.58                16
 06/13/2021   23:49:38   ( -78.27, -23.53) 06/13/2021   23:49:34  ( -78.28, -23.48)    1.52                 4
 06/14/2021   00:40:23   (  78.27, 143.81) 06/14/2021   00:40:37  (  78.29, 143.81)    2.36                14
 06/14/2021   01:31:08   ( -78.27, -48.93) 06/14/2021   01:31:34  ( -78.29, -48.90)    1.90                26
 06/14/2021   02:21:53   (  78.27, 118.42) 06/14/2021   02:22:37  (  78.30, 118.39)    3.36                44
 06/14/2021   03:12:38   ( -78.28, -74.32) 06/14/2021   03:13:34  ( -78.30, -74.32)    2.76                56
 06/14/2021   04:03:24   (  78.31,  92.80) 06/14/2021   04:04:37  (  78.31,  92.96)    3.62                73