Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 4 6.  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)
 04/08/2024   08:25:59   (   0.01,-104.69) (   0.10,-105.16)   53.54                80
 04/09/2024   08:04:35   (   0.00,-104.70) (  -0.90,-100.63)  463.64                80
 04/10/2024   20:26:32   (  -0.01,-104.69) (  -0.26,-105.94)  141.28                80
 04/11/2024   20:10:27   (  -0.01,-104.70) (   0.74,-101.40)  375.94                80
 04/13/2024   08:32:16   (   0.01,-104.73) (   0.44,-106.67)  221.43                80
 04/14/2024   08:10:51   (   0.02,-104.73) (  -0.56,-102.14)  295.76                80
 04/15/2024   20:32:48   (  -0.02,-104.72) (  -0.65,-107.43)  309.02                80
 04/16/2024   20:16:43   (  -0.03,-104.73) (   0.36,-102.90)  208.46                80
 04/18/2024   08:38:31   (   0.03,-104.77) (   0.82,-108.17)  388.32                80
 04/19/2024   08:17:08   (   0.03,-104.78) (  -0.25,-103.65)  129.32                80