Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 7 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/10/2023   20:12:30   (  -0.01,-104.72) (   0.76,-101.25)  395.58                80
 07/12/2023   08:34:19   (   0.01,-104.74) (   0.41,-106.52)  203.61                80
 07/13/2023   08:12:54   (   0.01,-104.74) (  -0.60,-102.00)  312.50                80
 07/14/2023   20:34:50   (  -0.02,-104.72) (  -0.62,-107.30)  294.20                80
 07/15/2023   20:18:46   (  -0.02,-104.73) (   0.39,-102.77)  222.22                80
 07/17/2023   08:40:34   (   0.02,-104.75) (   0.77,-108.05)  376.51                80
 07/18/2023   08:19:10   (   0.02,-104.75) (  -0.24,-103.52)  139.64                80
 07/19/2023   20:41:06   (  -0.02,-104.73) (  -0.96,-108.83)  467.40                80
 07/20/2023   20:25:02   (  -0.02,-104.74) (   0.05,-104.30)   49.34                80
 07/23/2023   08:28:05   (   0.01,-104.77) (   0.09,-105.05)   31.95                80