Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 8 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/20/2023   20:41:00   (  -0.01,-104.69) (  -0.96,-108.88)  477.90                80
 08/21/2023   20:24:56   (  -0.01,-104.69) (   0.09,-104.36)   38.75                80
 08/24/2023   08:27:57   (   0.01,-104.71) (   0.12,-105.09)   43.03                80
 08/25/2023   08:06:32   (   0.01,-104.71) (  -0.94,-100.56)  472.94                80
 08/26/2023   20:28:27   (  -0.02,-104.68) (  -0.27,-105.87)  135.26                80
 08/27/2023   20:12:22   (  -0.02,-104.67) (   0.73,-101.33)  380.80                80
 08/29/2023   08:34:08   (   0.03,-104.69) (   0.47,-106.60)  217.21                80
 08/30/2023   08:12:43   (   0.03,-104.69) (  -0.53,-102.06)  298.70                80
 08/31/2023   20:34:38   (  -0.03,-104.65) (  -0.66,-107.36)  309.57                80
 09/01/2023   20:18:33   (  -0.03,-104.65) (   0.35,-102.83)  206.86                80