Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2021 8 18.  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)
 08/23/2021   18:13:19   ( -78.01,  61.88) 08/23/2021   18:12:07  ( -78.00,  61.96)    2.23                72
 08/23/2021   19:04:04   (  77.98,-130.70) 08/23/2021   19:03:04  (  78.00,-130.76)    2.16                60
 08/23/2021   19:54:49   ( -78.01,  36.48) 08/23/2021   19:54:07  ( -78.01,  36.52)    1.03                42
 08/23/2021   20:45:34   (  77.99,-156.10) 08/23/2021   20:45:04  (  78.01,-156.20)    3.28                30
 08/23/2021   21:36:19   ( -78.01,  11.08) 08/23/2021   21:36:07  ( -78.02,  11.08)    0.18                12
 08/23/2021   22:27:05   (  78.03, 178.30) 08/23/2021   22:27:04  (  78.02, 178.37)    2.21                 1
 08/23/2021   23:17:49   ( -78.02, -14.31) 08/23/2021   23:18:07  ( -78.03, -14.36)    1.35                18
 08/24/2021   00:08:35   (  78.04, 152.90) 08/24/2021   00:09:04  (  78.03, 152.93)    1.11                29
 08/24/2021   00:59:19   ( -78.02, -39.71) 08/24/2021   01:00:07  ( -78.04, -39.80)    2.54                48
 08/24/2021   01:50:05   (  78.04, 127.50) 08/24/2021   01:51:04  (  78.04, 127.49)    0.40                59
 08/24/2021   02:40:53   ( -78.19, -65.96) 08/24/2021   02:42:05  ( -78.12, -64.80)   27.44                72