Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 7 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/17/2023   08:40:35   (  -0.02,-104.73) (   0.70,-108.06)  379.51                80
 07/18/2023   08:19:11   (  -0.02,-104.72) (  -0.31,-103.53)  136.21                80
 07/19/2023   20:41:07   (   0.03,-104.71) (  -0.89,-108.84)  470.84                80
 07/20/2023   20:25:03   (   0.03,-104.71) (   0.12,-104.31)   45.39                80
 07/23/2023   08:28:07   (  -0.03,-104.73) (   0.01,-105.06)   37.66                80
 07/24/2023   08:06:41   (  -0.03,-104.73) (  -0.94,-100.52)  478.58                80
 07/25/2023   20:28:38   (   0.04,-104.71) (  -0.20,-105.84)  128.41                80
 07/26/2023   20:12:34   (   0.04,-104.71) (   0.82,-101.32)  387.81                80
 07/28/2023   08:34:21   (  -0.04,-104.73) (   0.38,-106.58)  211.56                80
 07/29/2023   08:12:57   (  -0.04,-104.72) (  -0.64,-102.06)  304.02                80