Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 5 4.  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)
 05/04/2024   08:38:25   (   0.00,-104.70) (   0.79,-108.11)  388.56                80
 05/05/2024   08:17:00   (   0.00,-104.71) (  -0.27,-103.58)  128.64                80
 05/06/2024   20:38:55   (  -0.00,-104.70) (  -0.96,-108.87)  475.34                80
 05/07/2024   20:22:50   (  -0.00,-104.70) (   0.11,-104.34)   41.95                80
 05/10/2024   08:25:51   (  -0.00,-104.71) (   0.09,-105.06)   39.78                80
 05/11/2024   08:04:26   (  -0.01,-104.71) (  -0.93,-100.52)  477.15                80
 05/12/2024   20:26:21   (   0.01,-104.71) (  -0.24,-105.82)  127.13                80
 05/13/2024   20:10:15   (   0.02,-104.71) (   0.78,-101.29)  390.11                80
 05/15/2024   08:32:02   (  -0.00,-104.72) (   0.42,-106.54)  207.57                80
 05/16/2024   08:10:36   (   0.00,-104.73) (  -0.60,-102.01)  310.10                80
 05/17/2024   20:32:31   (  -0.00,-104.73) (  -0.60,-107.30)  293.39                80