Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 3 18.  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)
 03/19/2024   20:38:47   (  -0.02,-104.66) (  -0.98,-108.93)  486.21                80
 03/20/2024   20:22:43   (  -0.02,-104.66) (   0.04,-104.40)   29.78                80
 03/23/2024   08:25:49   (   0.01,-104.69) (   0.11,-105.15)   52.35                80
 03/24/2024   08:04:25   (   0.00,-104.69) (  -0.91,-100.62)  463.65                80
 03/25/2024   20:26:24   (  -0.00,-104.66) (  -0.26,-105.93)  144.28                80
 03/26/2024   20:10:19   (   0.00,-104.66) (   0.71,-101.39)  371.90                80
 03/28/2024   08:32:09   (  -0.01,-104.69) (   0.45,-106.67)  225.96                80
 03/29/2024   08:10:45   (  -0.02,-104.69) (  -0.57,-102.14)  289.81                80
 03/30/2024   20:32:42   (   0.02,-104.65) (  -0.63,-107.45)  318.83                80
 03/31/2024   20:16:39   (   0.02,-104.65) (   0.40,-102.92)  196.95                80