Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2021 9 8.  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   03:56:47   ( -77.89, -83.44) 09/21/2021   03:55:34  ( -77.90, -83.37)    1.64                73
 09/21/2021   04:47:32   (  77.88,  83.94) 09/21/2021   04:46:38  (  77.88,  83.80)    3.28                54
 09/21/2021   05:38:17   ( -77.90,-108.83) 09/21/2021   05:37:34  ( -77.90,-108.82)    1.07                43
 09/21/2021   06:29:03   (  77.92,  58.33) 09/21/2021   06:28:38  (  77.89,  58.35)    3.54                25
 09/21/2021   07:19:47   ( -77.90,-134.23) 09/21/2021   07:19:34  ( -77.91,-134.26)    1.60                13
 09/21/2021   08:10:32   (  77.93,  32.93) 09/21/2021   08:10:37  (  77.90,  32.91)    3.08                 5
 09/21/2021   09:01:16   ( -77.91,-159.63) 09/21/2021   09:01:33  ( -77.92,-159.71)    2.63                17
 09/21/2021   09:52:02   (  77.93,   7.53) 09/21/2021   09:52:37  (  77.91,   7.46)    3.03                35
 09/21/2021   10:42:47   ( -77.95, 174.76) 09/21/2021   10:43:33  ( -77.93, 174.84)    2.86                46
 09/21/2021   11:33:32   (  77.94, -17.87) 09/21/2021   11:34:36  (  77.96, -17.77)    3.18                64
 09/21/2021   12:24:18   ( -78.00, 149.15) 09/21/2021   12:25:32  ( -77.98, 149.61)   10.74                74