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   (   0.00,-104.70) (   0.11,-105.04)   39.73                80
 10/02/2024   08:06:00   (   0.00,-104.70) (  -0.93,-100.52)  476.19                80
 10/03/2024   20:28:00   (  -0.00,-104.71) (  -0.23,-105.84)  127.51                80
 10/04/2024   20:11:56   (  -0.00,-104.71) (   0.76,-101.30)  388.76                80
 10/06/2024   08:33:46   (   0.00,-104.71) (   0.40,-106.58)  212.84                80
 10/07/2024   08:12:23   (   0.00,-104.71) (  -0.60,-102.05)  302.86                80
 10/08/2024   20:34:21   (   0.00,-104.71) (  -0.60,-107.35)  302.00                80
 10/09/2024   20:18:18   (   0.00,-104.70) (   0.41,-102.82)  213.96                80
 10/11/2024   08:40:07   (  -0.00,-104.70) (   0.78,-108.09)  387.29                80
 10/12/2024   08:18:44   (  -0.00,-104.69) (  -0.24,-103.56)  128.33                80
 10/13/2024   20:40:42   (   0.00,-104.69) (  -0.93,-108.87)  477.11                80