Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2021 10 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)
 10/19/2021   13:40:09   ( -77.76, 131.32) 10/19/2021   13:38:55  ( -77.79, 131.30)    3.52                74
 10/19/2021   14:30:55   (  77.79, -61.50) 10/19/2021   14:29:59  (  77.77, -61.59)    2.98                56
 10/19/2021   15:21:40   ( -77.81, 105.71) 10/19/2021   15:20:55  ( -77.80, 105.85)    3.34                45
 10/19/2021   16:12:25   (  77.79, -86.90) 10/19/2021   16:11:58  (  77.82, -86.83)    3.03                27
 10/19/2021   17:03:10   ( -77.81,  80.31) 10/19/2021   17:02:55  ( -77.81,  80.40)    2.14                15
 10/19/2021   17:53:55   (  77.80,-112.30) 10/19/2021   17:53:58  (  77.82,-112.29)    2.88                 3
 10/19/2021   18:44:40   ( -77.82,  54.91) 10/19/2021   18:44:55  ( -77.82,  54.95)    0.94                15
 10/19/2021   19:35:25   (  77.80,-137.70) 10/19/2021   19:35:58  (  77.83,-137.74)    3.24                33
 10/19/2021   20:26:10   ( -77.82,  29.51) 10/19/2021   20:26:55  ( -77.83,  29.50)    0.38                45
 10/19/2021   21:16:56   (  77.85,-163.31) 10/19/2021   21:17:58  (  77.84,-163.19)    2.98                62
 10/19/2021   22:07:40   ( -77.83,   4.11) 10/19/2021   22:08:55  ( -77.84,   4.05)    1.52                75