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)
 11/09/2023   18:15:23   (  -0.02, -75.24) (   0.54, -72.77)  281.95                80
 11/11/2023   06:37:12   (   0.02, -75.25) (   0.65, -78.04)  318.42                80
 11/12/2023   06:15:49   (   0.02, -75.27) (  -0.36, -73.52)  199.14                80
 11/13/2023   18:37:47   (  -0.02, -75.30) (  -0.81, -78.83)  402.45                80
 11/14/2023   18:21:44   (  -0.02, -75.32) (   0.21, -74.31)  115.26                80
 11/16/2023   06:43:33   (   0.01, -75.33) (   0.97, -79.58)  484.63                80
 11/17/2023   06:22:10   (   0.02, -75.34) (  -0.06, -75.06)   32.97                80
 11/19/2023   18:25:23   (  -0.01, -75.40) (  -0.12, -75.84)   50.40                80
 11/20/2023   18:09:20   (  -0.01, -75.42) (   0.92, -71.31)  467.94                80
 11/22/2023   06:31:09   (   0.01, -75.45) (   0.25, -76.59)  130.38                80