Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 10 5.  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)
 10/06/2023   06:09:05   (   0.04, -75.20) (  -0.73, -71.88)  379.30                80
 10/07/2023   18:31:00   (  -0.03, -75.22) (  -0.49, -77.18)  223.41                80
 10/08/2023   18:14:56   (  -0.03, -75.22) (   0.57, -72.65)  293.73                80
 10/10/2023   06:36:42   (   0.02, -75.22) (   0.62, -77.91)  306.77                80
 10/11/2023   06:15:17   (   0.02, -75.23) (  -0.38, -73.38)  210.81                80
 10/12/2023   18:37:12   (  -0.02, -75.26) (  -0.81, -78.68)  390.42                80
 10/13/2023   18:21:07   (  -0.02, -75.27) (   0.20, -74.14)  127.83                80
 10/15/2023   06:42:54   (   0.02, -75.28) (   0.92, -79.42)  471.03                80
 10/16/2023   06:21:28   (   0.02, -75.30) (  -0.10, -74.89)   47.36                80
 10/18/2023   18:24:37   (  -0.02, -75.34) (  -0.11, -75.65)   35.09                80
 10/19/2023   18:08:32   (  -0.02, -75.36) (   0.92, -71.11)  483.36                80