Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 9 30.  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)
 10/01/2024   08:27:23   (  -0.02,-104.70) (   0.06,-105.05)   40.11                80
 10/02/2024   08:06:01   (  -0.01,-104.70) (  -0.98,-100.53)  476.16                80
 10/03/2024   20:27:59   (  -0.02,-104.72) (  -0.24,-105.83)  126.52                80
 10/04/2024   20:11:56   (  -0.03,-104.72) (   0.74,-101.30)  390.10                80
 10/06/2024   08:33:46   (   0.03,-104.72) (   0.42,-106.58)  211.40                80
 10/07/2024   08:12:23   (   0.03,-104.71) (  -0.58,-102.05)  304.39                80
 10/08/2024   20:34:21   (  -0.03,-104.72) (  -0.61,-107.35)  300.16                80
 10/09/2024   20:18:17   (  -0.02,-104.72) (   0.39,-102.82)  215.86                80
 10/11/2024   08:40:07   (   0.03,-104.71) (   0.80,-108.09)  385.23                80
 10/12/2024   08:18:43   (   0.02,-104.71) (  -0.22,-103.56)  130.42                80
 10/13/2024   20:40:42   (  -0.03,-104.70) (  -0.95,-108.87)  474.64                80