Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2021 9 20.  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   03:56:46   ( -77.87, -83.34) 09/21/2021   03:55:34  ( -77.88, -83.44)    2.80                72
 09/21/2021   04:47:32   (  77.89,  83.88) 09/21/2021   04:46:38  (  77.88,  83.77)    2.77                54
 09/21/2021   05:38:17   ( -77.92,-108.94) 09/21/2021   05:37:34  ( -77.89,-108.89)    2.95                43
 09/21/2021   06:29:02   (  77.89,  58.48) 09/21/2021   06:28:38  (  77.89,  58.33)    3.66                24
 09/21/2021   07:19:47   ( -77.92,-134.34) 09/21/2021   07:19:34  ( -77.90,-134.34)    2.22                13
 09/21/2021   08:10:32   (  77.90,  33.08) 09/21/2021   08:10:37  (  77.94,  33.10)    4.12                 5
 09/21/2021   09:01:17   ( -77.93,-159.74) 09/21/2021   09:01:34  ( -77.91,-159.78)    2.04                17
 09/21/2021   09:52:03   (  77.94,   7.47) 09/21/2021   09:52:37  (  77.95,   7.65)    4.13                34
 09/21/2021   10:42:47   ( -77.93, 174.86) 09/21/2021   10:43:34  ( -77.92, 174.77)    2.51                47
 09/21/2021   11:33:33   (  77.95, -17.93) 09/21/2021   11:34:37  (  77.95, -17.79)    3.12                64
 09/21/2021   12:24:19   ( -78.02, 149.05) 09/21/2021   12:25:33  ( -77.97, 149.54)   12.70                74