Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 11 9.  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)
 11/11/2023   06:34:32   (   0.02, -75.21) (   0.66, -78.04)  323.25                80
 11/12/2023   06:18:29   (   0.02, -75.21) (  -0.35, -73.51)  193.10                80
 11/13/2023   18:37:47   (  -0.02, -75.22) (  -0.82, -78.83)  410.65                80
 11/14/2023   18:21:44   (  -0.02, -75.23) (   0.20, -74.30)  105.84                80
 11/16/2023   06:43:33   (   0.02, -75.23) (   0.98, -79.58)  495.69                80
 11/17/2023   06:24:23   (   0.02, -75.23) (  -0.04, -75.05)   20.76                54
 11/19/2023   18:25:23   (  -0.01, -75.25) (  -0.15, -75.83)   66.08                80
 11/20/2023   18:09:20   (  -0.01, -75.26) (   0.89, -71.31)  451.03                80
 11/22/2023   06:31:09   (   0.01, -75.28) (   0.28, -76.59)  148.95                80
 11/23/2023   06:09:45   (   0.01, -75.29) (  -0.69, -72.05)  368.59                80