Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2023 2 23.  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)
 02/23/2023   08:11:14   (  -0.00,-104.68) (  -0.60,-102.07)  298.49                80
 02/24/2023   20:33:10   (   0.00,-104.69) (  -0.60,-107.37)  306.01                80
 02/25/2023   20:17:06   (   0.00,-104.69) (   0.42,-102.84)  210.54                80
 02/27/2023   08:38:53   (   0.00,-104.69) (   0.78,-108.11)  389.94                80
 02/28/2023   08:17:29   (   0.00,-104.69) (  -0.25,-103.59)  126.35                80
 03/01/2023   20:39:25   (  -0.00,-104.69) (  -0.94,-108.89)  478.53                80
 03/02/2023   20:23:21   (  -0.00,-104.70) (   0.09,-104.37)   37.99                80
 03/05/2023   08:26:23   (  -0.00,-104.71) (   0.07,-105.11)   45.74                80
 03/06/2023   08:04:58   (  -0.00,-104.71) (  -0.90,-100.57)  470.84                80
 03/07/2023   20:26:54   (   0.00,-104.71) (  -0.26,-105.88)  133.60                80
 03/08/2023   20:10:50   (   0.00,-104.72) (   0.78,-101.36)  383.31                80