Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 1 6.  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)
 01/07/2023   06:11:06   (  -0.03, -75.19) (  -0.77, -71.92)  372.27                80
 01/08/2023   18:33:02   (   0.03, -75.20) (  -0.41, -77.24)  231.82                80
 01/09/2023   18:16:57   (   0.03, -75.20) (   0.57, -72.70)  285.24                80
 01/11/2023   06:38:45   (  -0.04, -75.22) (   0.56, -77.98)  314.50                80
 01/12/2023   06:17:19   (  -0.03, -75.23) (  -0.42, -73.44)  202.85                80
 01/13/2023   18:39:16   (   0.04, -75.24) (  -0.74, -78.76)  400.13                80
 01/14/2023   18:23:10   (   0.03, -75.26) (   0.24, -74.22)  117.75                80
 01/16/2023   06:44:57   (  -0.03, -75.28) (   0.94, -79.49)  480.65                80
 01/17/2023   06:23:33   (  -0.02, -75.29) (  -0.10, -74.97)   37.19                80
 01/19/2023   18:26:44   (   0.00, -75.32) (  -0.06, -75.75)   47.45                80
 01/20/2023   18:10:38   (  -0.01, -75.34) (   0.93, -71.21)  470.89                80