Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 10 7.  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)
 10/07/2023   18:31:01   (  -0.03, -75.22) (  -0.47, -77.18)  223.36                80
 10/08/2023   18:14:55   (  -0.03, -75.22) (   0.53, -72.64)  293.73                80
 10/10/2023   06:36:43   (   0.02, -75.22) (   0.60, -77.92)  306.92                80
 10/11/2023   06:15:17   (   0.02, -75.23) (  -0.40, -73.38)  210.63                80
 10/12/2023   18:37:12   (  -0.02, -75.26) (  -0.79, -78.68)  390.56                80
 10/13/2023   18:21:07   (  -0.02, -75.27) (   0.22, -74.15)  127.62                80
 10/15/2023   06:42:53   (   0.02, -75.28) (   0.96, -79.41)  471.35                80
 10/16/2023   06:21:28   (   0.02, -75.29) (  -0.06, -74.88)   46.90                80
 10/18/2023   18:24:38   (  -0.02, -75.34) (  -0.09, -75.65)   35.41                80
 10/19/2023   18:08:32   (  -0.02, -75.35) (   0.94, -71.12)  482.94                80