Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2021 10 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)
 10/19/2021   13:40:09   ( -77.76, 131.30) 10/19/2021   13:38:55  ( -77.79, 131.28)    2.85                74
 10/19/2021   14:30:55   (  77.79, -61.51) 10/19/2021   14:29:58  (  77.81, -61.39)    3.25                57
 10/19/2021   15:21:40   ( -77.81, 105.70) 10/19/2021   15:20:55  ( -77.80, 105.83)    3.44                45
 10/19/2021   16:12:25   (  77.79, -86.91) 10/19/2021   16:11:58  (  77.81, -86.85)    2.58                27
 10/19/2021   17:03:10   ( -77.82,  80.30) 10/19/2021   17:02:55  ( -77.81,  80.38)    2.24                15
 10/19/2021   17:53:55   (  77.80,-112.31) 10/19/2021   17:53:58  (  77.82,-112.30)    2.43                 3
 10/19/2021   18:44:40   ( -77.82,  54.90) 10/19/2021   18:44:55  ( -77.81,  54.93)    1.09                15
 10/19/2021   19:35:25   (  77.81,-137.71) 10/19/2021   19:35:58  (  77.83,-137.75)    2.87                33
 10/19/2021   20:26:10   ( -77.83,  29.49) 10/19/2021   20:26:55  ( -77.82,  29.48)    0.53                45
 10/19/2021   21:16:56   (  77.85,-163.32) 10/19/2021   21:17:58  (  77.84,-163.21)    3.04                62
 10/19/2021   22:07:40   ( -77.83,   4.09) 10/19/2021   22:08:55  ( -77.83,   4.03)    1.52                75