Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2021 10 7.  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   ( -77.77, 131.28) 10/19/2021   13:38:55  ( -77.79, 131.31)    2.61                74
 10/19/2021   14:30:55   (  77.80, -61.57) 10/19/2021   14:29:58  (  77.80, -61.40)    3.91                57
 10/19/2021   15:21:39   ( -77.78, 105.88) 10/19/2021   15:20:55  ( -77.80, 105.86)    2.93                44
 10/19/2021   16:12:25   (  77.81, -86.97) 10/19/2021   16:11:58  (  77.81, -86.86)    2.71                27
 10/19/2021   17:03:10   ( -77.82,  80.28) 10/19/2021   17:02:55  ( -77.81,  80.41)    3.35                15
 10/19/2021   17:53:55   (  77.81,-112.37) 10/19/2021   17:53:58  (  77.82,-112.31)    1.59                 3
 10/19/2021   18:44:40   ( -77.83,  54.87) 10/19/2021   18:44:55  ( -77.82,  54.96)    2.15                15
 10/19/2021   19:35:25   (  77.82,-137.78) 10/19/2021   19:35:58  (  77.83,-137.76)    0.87                33
 10/19/2021   20:26:10   ( -77.83,  29.47) 10/19/2021   20:26:55  ( -77.83,  29.51)    0.99                45
 10/19/2021   21:16:55   (  77.83,-163.18) 10/19/2021   21:17:58  (  77.84,-163.22)    1.42                63
 10/19/2021   22:07:40   ( -77.84,   4.07) 10/19/2021   22:08:55  ( -77.84,   4.06)    0.43                75