Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 4 2.  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)
 04/02/2025   20:35:05   (   0.03,-104.42) (   0.00,-107.48)  341.14                 0
 04/03/2025   20:17:29   (   0.03,-104.41) (   0.39,-102.81)  183.00                80
 04/05/2025   08:39:14   (  -0.03,-104.39) (   0.81,-108.07)  419.70                80
 04/06/2025   08:17:49   (  -0.02,-104.38) (  -0.23,-103.54)   97.11                80
 04/08/2025   20:23:36   (   0.01,-104.41) (   0.03,-104.29)   13.83                80
 04/11/2025   08:26:36   (  -0.01,-104.40) (   0.11,-105.02)   70.49                80
 04/12/2025   08:05:10   (  -0.01,-104.40) (  -0.88,-100.48)  446.80                80
 04/13/2025   20:27:04   (   0.01,-104.43) (  -0.27,-105.78)  153.44                80
 04/14/2025   20:10:58   (   0.02,-104.43) (   0.73,-101.24)  364.01                80
 04/16/2025   08:32:43   (  -0.01,-104.41) (   0.46,-106.50)  237.65                80