Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 8 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 08/24/2023   06:15:14   (   0.06, -75.21) (  -0.35, -73.32)  215.16                80
 08/25/2023   18:37:11   (  -0.05, -75.21) (  -0.83, -78.63)  389.99                80
 08/26/2023   18:21:07   (  -0.05, -75.21) (   0.21, -74.11)  126.03                80
 08/28/2023   06:42:56   (   0.04, -75.21) (   0.99, -79.38)  475.05                80
 08/29/2023   06:21:32   (   0.04, -75.22) (  -0.06, -74.86)   41.24                80
 08/31/2023   18:24:45   (  -0.02, -75.23) (  -0.12, -75.64)   46.18                80
 09/01/2023   18:08:41   (  -0.03, -75.25) (   0.88, -71.11)  471.11                80
 09/03/2023   06:30:30   (   0.02, -75.26) (   0.26, -76.39)  127.91                80
 09/04/2023   06:09:05   (   0.03, -75.28) (  -0.74, -71.86)  389.69                80
 09/05/2023   18:31:03   (  -0.02, -75.30) (  -0.42, -77.17)  213.06                80