Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 9 25.  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)
 09/26/2023   18:37:20   (  -0.04, -75.20) (  -0.80, -78.70)  398.13                80
 09/27/2023   18:21:14   (  -0.04, -75.20) (   0.18, -74.16)  118.29                80
 09/29/2023   06:40:22   (   0.04, -75.21) (   1.00, -79.43)  481.89                80
 09/30/2023   06:24:17   (   0.04, -75.21) (  -0.04, -74.91)   35.05                80
 10/02/2023   18:24:48   (  -0.04, -75.22) (  -0.15, -75.67)   51.54                80
 10/03/2023   18:08:44   (  -0.04, -75.23) (   0.90, -71.15)  465.76                80
 10/05/2023   06:27:50   (   0.04, -75.24) (   0.32, -76.41)  133.37                80
 10/06/2023   06:09:05   (   0.03, -75.25) (  -0.73, -71.88)  384.13                80
 10/07/2023   18:31:01   (  -0.03, -75.27) (  -0.48, -77.18)  218.74                80
 10/08/2023   18:14:56   (  -0.02, -75.28) (   0.57, -72.66)  299.31                80