Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 3 31.  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)
 04/01/2025   08:11:40   (  -0.04,-104.39) (  -0.55,-102.04)  267.31                80
 04/02/2025   20:33:35   (   0.04,-104.42) (  -0.61,-107.35)  333.55                80
 04/03/2025   20:17:28   (   0.03,-104.42) (   0.37,-102.80)  183.30                80
 04/05/2025   08:39:14   (  -0.03,-104.39) (   0.83,-108.06)  419.42                80
 04/06/2025   08:17:48   (  -0.02,-104.39) (  -0.21,-103.53)   97.46                80
 04/08/2025   20:23:37   (   0.01,-104.42) (   0.07,-104.30)   14.82                80
 04/11/2025   08:26:36   (  -0.01,-104.41) (   0.13,-105.01)   69.68                80
 04/12/2025   08:05:10   (  -0.02,-104.41) (  -0.92,-100.49)  447.69                80
 04/13/2025   20:27:04   (   0.01,-104.44) (  -0.30,-105.77)  152.30                80