Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 11 30.  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)
 11/30/2023   18:21:57   (  -0.01, -75.21) (   0.19, -74.35)   97.63                80
 12/03/2023   06:25:02   (   0.01, -75.21) (  -0.05, -75.10)   13.61                80
 12/05/2023   18:25:34   (  -0.00, -75.24) (  -0.17, -75.87)   72.00                80
 12/06/2023   18:09:31   (  -0.01, -75.25) (   0.89, -71.35)  445.79                80
 12/08/2023   06:31:19   (   0.00, -75.27) (   0.29, -76.62)  153.48                80
 12/09/2023   06:09:54   (   0.01, -75.28) (  -0.72, -72.09)  364.34                80
 12/10/2023   18:31:51   (  -0.01, -75.31) (  -0.47, -77.39)  237.25                80
 12/11/2023   18:15:46   (  -0.01, -75.32) (   0.55, -72.86)  280.86                80
 12/13/2023   06:37:35   (   0.01, -75.34) (   0.62, -78.13)  317.70                80
 12/14/2023   06:16:10   (   0.01, -75.35) (  -0.40, -73.60)  200.16                80