Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 11 15.  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)
 11/16/2023   06:40:53   (   0.02, -75.21) (   0.98, -79.58)  497.89                80
 11/17/2023   06:24:50   (   0.02, -75.20) (  -0.04, -75.05)   18.21                80
 11/19/2023   18:25:23   (  -0.01, -75.21) (  -0.16, -75.83)   70.28                80
 11/20/2023   18:09:20   (  -0.01, -75.22) (   0.87, -71.31)  446.28                80
 11/22/2023   06:31:09   (   0.01, -75.23) (   0.30, -76.58)  154.38                80
 11/23/2023   06:09:46   (   0.01, -75.23) (  -0.72, -72.06)  362.63                80
 11/24/2023   18:31:43   (  -0.01, -75.26) (  -0.48, -77.36)  240.16                80
 11/25/2023   18:15:40   (  -0.01, -75.27) (   0.55, -72.84)  277.28                80
 11/27/2023   06:37:29   (   0.01, -75.28) (   0.62, -78.12)  322.18                80
 11/28/2023   06:16:04   (   0.01, -75.30) (  -0.36, -73.58)  195.32                80