Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 11 13.  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)
 11/13/2023   18:37:47   (  -0.02, -75.21) (  -0.81, -78.83)  411.77                80
 11/14/2023   18:21:44   (  -0.02, -75.21) (   0.21, -74.30)  104.08                80
 11/16/2023   06:40:53   (   0.02, -75.20) (   0.97, -79.58)  498.40                80
 11/17/2023   06:22:09   (   0.02, -75.20) (   0.01, -75.04)   17.58                80
 11/19/2023   18:25:23   (  -0.01, -75.21) (  -0.15, -75.83)   71.31                80
 11/20/2023   18:09:20   (  -0.01, -75.21) (   0.88, -71.31)  445.10                80
 11/22/2023   06:31:09   (   0.01, -75.21) (   0.29, -76.58)  155.83                80
 11/23/2023   06:09:45   (   0.01, -75.22) (  -0.68, -72.05)  361.05                80
 11/24/2023   18:31:43   (  -0.01, -75.24) (  -0.46, -77.37)  241.95                80
 11/25/2023   18:15:39   (  -0.01, -75.25) (   0.52, -72.83)  275.37                80