Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2023 7 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)
 07/28/2023   08:03:34   (  -0.01,-104.73) (  -0.97,-100.47)  485.66                80
 07/29/2023   20:25:28   (   0.01,-104.70) (  -0.24,-105.76)  121.19                80
 07/30/2023   20:09:23   (   0.00,-104.70) (   0.79,-101.23)  395.40                80
 08/01/2023   08:31:09   (   0.00,-104.72) (   0.38,-106.50)  202.31                80
 08/02/2023   08:09:43   (   0.00,-104.71) (  -0.59,-101.95)  313.97                80
 08/03/2023   20:31:37   (  -0.00,-104.68) (  -0.61,-107.25)  293.41                80
 08/04/2023   20:15:31   (  -0.00,-104.68) (   0.43,-102.72)  223.49                80
 08/06/2023   08:37:18   (   0.00,-104.71) (   0.74,-107.99)  373.02                80
 08/07/2023   08:15:52   (   0.01,-104.71) (  -0.30,-103.46)  143.70                80
 08/08/2023   20:37:46   (  -0.01,-104.68) (  -0.94,-108.74)  463.75                80
 08/09/2023   20:21:40   (  -0.01,-104.68) (   0.10,-104.21)   53.25                80