Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2023 2 27.  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)
 02/28/2023   08:17:28   (   0.01,-104.69) (  -0.24,-103.58)  126.54                80
 03/01/2023   20:39:25   (  -0.01,-104.70) (  -0.94,-108.89)  478.09                80
 03/02/2023   20:23:20   (  -0.01,-104.70) (   0.09,-104.37)   38.31                80
 03/05/2023   08:26:22   (   0.00,-104.69) (   0.11,-105.10)   46.62                80
 03/06/2023   08:04:58   (   0.00,-104.70) (  -0.93,-100.58)  469.74                80
 03/07/2023   20:26:53   (   0.00,-104.70) (  -0.29,-105.87)  134.42                80
 03/08/2023   20:10:49   (   0.00,-104.70) (   0.76,-101.35)  382.35                80
 03/10/2023   08:32:36   (  -0.00,-104.71) (   0.41,-106.62)  217.96                80
 03/11/2023   08:11:10   (  -0.00,-104.71) (  -0.58,-102.09)  298.53                80
 03/12/2023   20:33:06   (   0.00,-104.71) (  -0.62,-107.39)  306.09                80