Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2021 10 9.  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   ( -77.78, 131.21) 10/19/2021   13:38:55  ( -77.77, 131.20)    1.22                74
 10/19/2021   14:30:54   (  77.77, -61.43) 10/19/2021   14:29:58  (  77.78, -61.51)    2.10                56
 10/19/2021   15:21:39   ( -77.79, 105.81) 10/19/2021   15:20:55  ( -77.78, 105.75)    1.72                44
 10/19/2021   16:12:24   (  77.78, -86.83) 10/19/2021   16:11:58  (  77.79, -86.96)    3.33                26
 10/19/2021   17:03:09   ( -77.79,  80.41) 10/19/2021   17:02:55  ( -77.79,  80.30)    2.72                14
 10/19/2021   17:53:55   (  77.83,-112.44) 10/19/2021   17:53:58  (  77.80,-112.42)    3.10                 3
 10/19/2021   18:44:39   ( -77.80,  55.01) 10/19/2021   18:44:55  ( -77.80,  54.85)    3.84                16
 10/19/2021   19:35:25   (  77.83,-137.84) 10/19/2021   19:35:58  (  77.81,-137.87)    2.87                33
 10/19/2021   20:26:10   ( -77.85,  29.40) 10/19/2021   20:26:55  ( -77.81,  29.40)    4.35                45
 10/19/2021   21:16:55   (  77.84,-163.24) 10/19/2021   21:17:58  (  77.82,-163.32)    3.15                63
 10/19/2021   22:07:40   ( -77.85,   4.00) 10/19/2021   22:08:54  ( -77.85,   4.16)    3.61                74