Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2021 10 15.  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   13:40:10   ( -77.79, 131.16) 10/19/2021   13:38:56  ( -77.76, 131.14)    3.53                74
 10/19/2021   14:30:55   (  77.78, -61.46) 10/19/2021   14:29:59  (  77.78, -61.55)    2.14                56
 10/19/2021   15:21:40   ( -77.80, 105.76) 10/19/2021   15:20:55  ( -77.81, 105.90)    3.52                45
 10/19/2021   16:12:25   (  77.79, -86.86) 10/19/2021   16:11:59  (  77.78, -87.00)    3.32                26
 10/19/2021   17:03:10   ( -77.80,  80.35) 10/19/2021   17:02:55  ( -77.82,  80.45)    2.62                15
 10/19/2021   17:53:55   (  77.79,-112.27) 10/19/2021   17:53:58  (  77.83,-112.25)    4.46                 3
 10/19/2021   18:44:40   ( -77.81,  54.95) 10/19/2021   18:44:55  ( -77.83,  55.00)    2.07                15
 10/19/2021   19:35:26   (  77.84,-137.87) 10/19/2021   19:35:58  (  77.84,-137.70)    4.05                32
 10/19/2021   20:26:10   ( -77.82,  29.55) 10/19/2021   20:26:55  ( -77.84,  29.55)    2.15                45
 10/19/2021   21:16:55   (  77.84,-163.27) 10/19/2021   21:17:57  (  77.85,-163.15)    2.88                62
 10/19/2021   22:07:39   ( -77.82,   4.15) 10/19/2021   22:08:54  ( -77.84,   4.10)    2.80                75