Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 3 11.  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)
 03/12/2025   20:27:36   (   0.03,-104.41) (  -0.30,-105.88)  167.02                80
 03/13/2025   20:11:31   (   0.03,-104.41) (   0.73,-101.35)  349.54                80
 03/15/2025   08:33:17   (  -0.02,-104.39) (   0.48,-106.61)  253.36                80
 03/16/2025   08:11:53   (  -0.03,-104.39) (  -0.56,-102.09)  263.08                80
 03/17/2025   20:33:49   (   0.03,-104.42) (  -0.64,-107.39)  338.74                80
 03/18/2025   20:17:45   (   0.03,-104.42) (   0.41,-102.86)  177.77                80
 03/20/2025   08:39:31   (  -0.03,-104.39) (   0.79,-108.13)  425.27                80
 03/21/2025   08:18:06   (  -0.03,-104.39) (  -0.19,-103.59)   90.95                80
 03/23/2025   20:23:56   (   0.01,-104.41) (   0.01,-104.36)    5.28                80