Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 1 30.  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)
 02/01/2025   06:38:45   (  -0.01, -75.19) (   0.59, -77.90)  308.71                80
 02/02/2025   06:17:21   (  -0.01, -75.21) (  -0.43, -73.38)  208.64                80
 02/03/2025   18:39:20   (   0.01, -75.23) (  -0.73, -78.70)  393.84                80
 02/04/2025   18:23:15   (   0.02, -75.25) (   0.23, -74.16)  124.03                80
 02/06/2025   06:45:05   (  -0.02, -75.28) (   0.94, -79.44)  474.46                80
 02/07/2025   06:23:41   (  -0.02, -75.30) (  -0.10, -74.92)   43.23                80
 02/09/2025   18:26:55   (   0.03, -75.35) (  -0.06, -75.70)   40.76                80
 02/10/2025   18:10:51   (   0.04, -75.37) (   0.99, -71.19)  477.96                80
 02/12/2025   06:32:40   (  -0.04, -75.42) (   0.19, -76.46)  118.36                80
 02/13/2025   06:11:15   (  -0.04, -75.45) (  -0.81, -71.93)  400.82                80