Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 7 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/12/2023   08:34:19   (  -0.01,-104.73) (   0.40,-106.53)  204.52                80
 07/13/2023   08:12:54   (  -0.02,-104.73) (  -0.61,-102.00)  311.33                80
 07/14/2023   20:34:52   (   0.01,-104.72) (  -0.54,-107.32)  295.26                80
 07/15/2023   20:18:47   (   0.01,-104.72) (   0.47,-102.79)  220.99                80
 07/17/2023   08:40:35   (  -0.01,-104.74) (   0.75,-108.05)  378.33                80
 07/18/2023   08:19:10   (  -0.01,-104.74) (  -0.26,-103.52)  137.72                80
 07/19/2023   20:41:07   (   0.01,-104.72) (  -0.89,-108.84)  469.11                80
 07/20/2023   20:25:03   (   0.01,-104.73) (   0.12,-104.31)   47.54                80
 07/23/2023   08:28:06   (  -0.00,-104.75) (   0.08,-105.05)   34.23                80
 07/24/2023   08:06:41   (   0.00,-104.76) (  -0.94,-100.52)  482.22                80
 07/25/2023   20:28:38   (   0.00,-104.74) (  -0.26,-105.83)  124.62                80