Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 12 3.  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)
 12/03/2023   06:25:02   (   0.00, -75.21) (  -0.05, -75.10)   13.31                80
 12/05/2023   18:25:35   (  -0.00, -75.24) (  -0.12, -75.88)   72.34                80
 12/06/2023   18:09:31   (  -0.00, -75.25) (   0.88, -71.35)  445.34                80
 12/08/2023   06:31:19   (  -0.00, -75.26) (   0.30, -76.62)  154.37                80
 12/09/2023   06:09:54   (   0.00, -75.27) (  -0.71, -72.08)  363.34                80
 12/10/2023   18:31:51   (  -0.00, -75.30) (  -0.49, -77.38)  238.22                80
 12/11/2023   18:15:46   (  -0.01, -75.31) (   0.52, -72.85)  279.81                80
 12/13/2023   06:37:35   (   0.01, -75.33) (   0.65, -78.13)  319.19                80
 12/14/2023   06:16:10   (   0.01, -75.34) (  -0.37, -73.60)  198.60                80
 12/15/2023   18:38:06   (  -0.01, -75.37) (  -0.81, -78.90)  403.01                80
 12/16/2023   18:22:02   (  -0.01, -75.38) (   0.21, -74.37)  115.28                80