Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 5 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)
 05/12/2023   20:19:13   (  -0.00,-104.72) (   0.42,-102.72)  227.61                80
 05/14/2023   08:41:01   (   0.00,-104.72) (   0.73,-107.99)  372.97                80
 05/15/2023   08:19:35   (   0.00,-104.72) (  -0.27,-103.46)  143.48                80
 05/16/2023   20:41:30   (  -0.00,-104.72) (  -0.93,-108.76)  460.89                80
 05/17/2023   20:25:26   (   0.00,-104.73) (   0.13,-104.24)   56.02                80
 05/20/2023   08:28:27   (  -0.01,-104.74) (   0.07,-104.97)   27.55                80
 05/21/2023   08:07:02   (  -0.02,-104.73) (  -1.00,-100.45)  488.86                80
 05/22/2023   20:28:58   (   0.02,-104.73) (  -0.18,-105.76)  115.98                80
 05/23/2023   20:12:52   (   0.02,-104.74) (   0.83,-101.22)  400.89                80
 05/25/2023   08:34:38   (  -0.02,-104.75) (   0.36,-106.49)  198.52                80