Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 1 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 01/31/2025   08:39:13   (   0.04,-104.69) (   0.76,-107.99)  375.42                80
 02/01/2025   08:17:49   (   0.04,-104.70) (  -0.26,-103.46)  140.88                80
 02/02/2025   20:39:46   (  -0.05,-104.65) (  -0.97,-108.77)  469.85                80
 02/03/2025   20:23:43   (  -0.04,-104.65) (   0.05,-104.25)   46.75                80
 02/06/2025   08:26:49   (   0.05,-104.73) (   0.09,-105.00)   30.73                80
 02/07/2025   08:05:24   (   0.05,-104.73) (  -0.89,-100.47)  485.57                80
 02/08/2025   20:27:22   (  -0.06,-104.68) (  -0.31,-105.78)  125.51                80
 02/09/2025   20:11:18   (  -0.06,-104.68) (   0.73,-101.26)  391.16                80
 02/11/2025   08:33:07   (   0.07,-104.75) (   0.46,-106.53)  201.87                80
 02/12/2025   08:11:42   (   0.07,-104.76) (  -0.54,-102.00)  314.87                80