Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 1 26.  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)
 01/27/2023   06:38:36   (  -0.05, -75.18) (   0.59, -77.98)  319.71                80
 01/28/2023   06:17:10   (  -0.05, -75.19) (  -0.42, -73.45)  197.29                80
 01/29/2023   18:39:05   (   0.05, -75.20) (  -0.76, -78.76)  406.11                80
 01/30/2023   18:23:00   (   0.04, -75.20) (   0.26, -74.23)  111.26                80
 02/01/2023   06:44:46   (  -0.04, -75.21) (   0.93, -79.49)  487.95                80
 02/02/2023   06:23:21   (  -0.03, -75.22) (  -0.09, -74.96)   29.59                80
 02/04/2023   18:26:30   (   0.03, -75.25) (  -0.10, -75.72)   55.13                80
 02/05/2023   18:10:24   (   0.02, -75.26) (   0.92, -71.19)  463.27                80
 02/07/2023   06:32:10   (  -0.01, -75.29) (   0.25, -76.46)  134.13                80
 02/08/2023   06:10:45   (  -0.01, -75.30) (  -0.78, -71.93)  384.34                80