Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 8 18.  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)
 08/19/2024   08:33:15   (  -0.04,-104.70) (   0.40,-106.60)  217.02                80
 08/20/2024   08:11:51   (  -0.04,-104.70) (  -0.65,-102.07)  300.36                80
 08/21/2024   20:33:46   (   0.04,-104.72) (  -0.55,-107.36)  301.11                80
 08/22/2024   20:17:41   (   0.04,-104.73) (   0.44,-102.82)  216.78                80
 08/24/2024   08:39:28   (  -0.04,-104.73) (   0.72,-108.09)  382.59                80
 08/25/2024   08:18:04   (  -0.04,-104.74) (  -0.34,-103.56)  134.92                80
 08/26/2024   20:39:58   (   0.05,-104.75) (  -0.89,-108.85)  467.20                80
 08/27/2024   20:23:53   (   0.05,-104.76) (   0.18,-104.32)   50.56                80
 08/30/2024   08:26:54   (  -0.06,-104.77) (   0.00,-105.04)   31.03                80
 08/31/2024   08:05:29   (  -0.06,-104.78) (  -1.02,-100.51)  486.68                80