Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2022 12 21.  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)
 12/22/2022   06:13:45   (  -0.02, -75.19) (  -0.74, -71.87)  377.63                80
 12/23/2022   18:33:03   (   0.02, -75.19) (  -0.41, -77.19)  226.93                80
 12/24/2022   18:16:57   (   0.01, -75.19) (   0.55, -72.65)  289.44                80
 12/26/2022   06:36:05   (  -0.02, -75.19) (   0.60, -77.93)  311.99                80
 12/27/2022   06:20:01   (  -0.01, -75.20) (  -0.42, -73.40)  204.71                80
 12/28/2022   18:39:17   (   0.02, -75.22) (  -0.78, -78.71)  398.64                80
 12/29/2022   18:23:13   (   0.02, -75.23) (   0.24, -74.18)  118.77                80
 12/31/2022   06:45:01   (  -0.02, -75.24) (   0.90, -79.46)  480.69                80
 01/01/2023   06:23:36   (  -0.01, -75.26) (  -0.06, -74.93)   37.22                80
 01/03/2023   18:26:47   (   0.00, -75.30) (  -0.09, -75.71)   46.71                80