Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 4 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/24/2023   08:13:43   (   0.00,-104.73) (  -0.62,-101.98)  313.95                80
 04/25/2023   20:35:37   (   0.00,-104.73) (  -0.59,-107.28)  290.41                80
 04/26/2023   20:19:32   (   0.00,-104.74) (   0.44,-102.75)  226.36                80
 04/28/2023   08:41:17   (  -0.00,-104.74) (   0.76,-108.01)  373.50                80
 04/29/2023   08:19:52   (  -0.00,-104.74) (  -0.28,-103.48)  143.22                80
 04/30/2023   20:41:46   (   0.00,-104.74) (  -0.92,-108.78)  460.96                80
 05/01/2023   20:25:40   (   0.00,-104.74) (   0.13,-104.25)   56.17                80
 05/04/2023   08:28:40   (  -0.01,-104.75) (   0.02,-104.99)   26.30                80
 05/05/2023   08:07:14   (  -0.01,-104.75) (  -0.97,-100.45)  490.47                80
 05/06/2023   20:29:08   (   0.02,-104.75) (  -0.20,-105.75)  114.34                80
 05/07/2023   20:13:02   (   0.02,-104.75) (   0.79,-101.21)  402.37                80