Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 1 28.  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)
 01/29/2024   08:37:45   (   0.01,-104.68) (   0.79,-108.10)  389.71                80
 01/30/2024   08:16:19   (   0.01,-104.69) (  -0.24,-103.57)  127.50                80
 01/31/2024   20:38:14   (  -0.01,-104.66) (  -0.97,-108.86)  478.48                80
 02/01/2024   20:22:08   (  -0.01,-104.67) (   0.07,-104.33)   38.91                80
 02/04/2024   08:25:08   (   0.02,-104.70) (   0.10,-105.05)   39.80                80
 02/05/2024   08:03:43   (   0.01,-104.70) (  -0.93,-100.51)  477.10                80
 02/06/2024   20:25:37   (  -0.02,-104.67) (  -0.26,-105.81)  129.72                80
 02/07/2024   20:09:30   (  -0.02,-104.66) (   0.72,-101.26)  387.21                80
 02/09/2024   08:31:17   (   0.02,-104.69) (   0.41,-106.53)  208.94                80
 02/10/2024   08:09:50   (   0.02,-104.69) (  -0.58,-101.99)  307.89                80