Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 8 17.  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)
 08/18/2023   06:30:20   (   0.03, -75.20) (   0.29, -76.32)  128.06                80
 08/19/2023   06:08:56   (   0.03, -75.20) (  -0.74, -71.80)  388.25                80
 08/20/2023   18:30:54   (  -0.03, -75.22) (  -0.45, -77.11)  215.38                80
 08/21/2023   18:14:49   (  -0.03, -75.23) (   0.53, -72.58)  301.29                80
 08/23/2023   06:36:38   (   0.03, -75.23) (   0.62, -77.86)  299.75                80
 08/24/2023   06:15:15   (   0.03, -75.23) (  -0.42, -73.34)  216.87                80
 08/25/2023   18:37:12   (  -0.02, -75.25) (  -0.76, -78.65)  386.82                80
 08/26/2023   18:21:08   (  -0.00, -75.26) (   0.23, -74.11)  129.63                80
 08/28/2023   06:42:57   (  -0.01, -75.26) (   0.92, -79.40)  471.34                80
 08/29/2023   06:21:33   (  -0.01, -75.27) (  -0.07, -74.86)   45.78                80