Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 5 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/11/2023   20:35:19   (   0.00,-104.72) (  -0.58,-107.25)  288.46                80
 05/12/2023   20:19:14   (   0.00,-104.73) (   0.47,-102.73)  228.28                80
 05/14/2023   08:41:00   (  -0.00,-104.73) (   0.74,-107.99)  372.18                80
 05/15/2023   08:19:35   (  -0.00,-104.73) (  -0.26,-103.46)  144.47                80
 05/16/2023   20:41:31   (   0.00,-104.74) (  -0.88,-108.77)  459.39                80
 05/17/2023   20:25:26   (   0.00,-104.74) (   0.12,-104.24)   57.63                80
 05/20/2023   08:28:28   (  -0.01,-104.75) (   0.02,-104.98)   25.61                80
 05/21/2023   08:07:02   (  -0.02,-104.76) (  -0.99,-100.45)  491.00                80
 05/22/2023   20:28:57   (   0.02,-104.76) (  -0.19,-105.75)  113.19                80
 05/23/2023   20:12:52   (   0.02,-104.76) (   0.82,-101.22)  403.84                80