Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2021 9 21.  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)
 09/21/2021   04:47:32   (  77.91,  83.79) 09/21/2021   04:46:37  (  77.90,  83.89)    2.52                55
 09/21/2021   05:38:16   ( -77.89,-108.83) 09/21/2021   05:37:33  ( -77.91,-108.78)    2.32                43
 09/21/2021   06:29:02   (  77.91,  58.39) 09/21/2021   06:28:37  (  77.91,  58.44)    1.35                25
 09/21/2021   07:19:46   ( -77.90,-134.23) 09/21/2021   07:19:33  ( -77.92,-134.23)    2.37                13
 09/21/2021   08:10:32   (  77.92,  32.99) 09/21/2021   08:10:37  (  77.92,  33.00)    0.26                 5
 09/21/2021   09:01:16   ( -77.90,-159.63) 09/21/2021   09:01:33  ( -77.93,-159.67)    2.97                17
 09/21/2021   09:52:02   (  77.92,   7.59) 09/21/2021   09:52:37  (  77.93,   7.55)    1.02                35
 09/21/2021   10:42:47   ( -77.95, 174.76) 09/21/2021   10:43:33  ( -77.94, 174.88)    3.01                46
 09/21/2021   11:33:32   (  77.93, -17.81) 09/21/2021   11:34:37  (  77.94, -17.89)    2.17                65
 09/21/2021   12:24:19   ( -78.04, 148.95) 09/21/2021   12:25:32  ( -77.99, 149.65)   17.22                73