Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2023 3 3.  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)
 03/05/2023   08:26:23   (  -0.01,-104.70) (   0.07,-105.11)   46.17                80
 03/06/2023   08:04:57   (  -0.01,-104.70) (  -0.91,-100.57)  470.34                80
 03/07/2023   20:26:54   (   0.01,-104.71) (  -0.25,-105.88)  133.45                80
 03/08/2023   20:10:48   (   0.01,-104.72) (   0.74,-101.35)  383.44                80
 03/10/2023   08:32:36   (  -0.01,-104.72) (   0.43,-106.62)  216.84                80
 03/11/2023   08:11:11   (  -0.01,-104.72) (  -0.62,-102.10)  299.79                80
 03/12/2023   20:33:06   (   0.01,-104.72) (  -0.58,-107.40)  304.57                80
 03/13/2023   20:17:01   (   0.01,-104.72) (   0.41,-102.86)  211.95                80
 03/15/2023   08:38:48   (  -0.01,-104.72) (   0.74,-108.14)  388.81                80
 03/16/2023   08:17:23   (  -0.01,-104.72) (  -0.26,-103.60)  127.23                80