Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 11 14.  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)
 11/14/2023   18:21:43   (  -0.02, -75.21) (   0.19, -74.30)  104.21                80
 11/16/2023   06:40:53   (   0.02, -75.20) (   0.99, -79.58)  497.98                80
 11/17/2023   06:24:49   (   0.02, -75.20) (  -0.03, -75.05)   17.89                80
 11/19/2023   18:25:23   (  -0.01, -75.21) (  -0.17, -75.83)   70.65                80
 11/20/2023   18:09:20   (  -0.01, -75.22) (   0.86, -71.30)  445.87                80
 11/22/2023   06:31:09   (   0.01, -75.22) (   0.31, -76.58)  154.80                80
 11/23/2023   06:09:46   (   0.01, -75.23) (  -0.72, -72.06)  362.17                80
 11/24/2023   18:31:43   (  -0.01, -75.25) (  -0.48, -77.36)  240.76                80
 11/25/2023   18:15:39   (  -0.01, -75.26) (   0.56, -72.84)  276.65                80
 11/27/2023   06:37:28   (   0.01, -75.28) (   0.67, -78.10)  322.81                80