Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 4 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/25/2023   20:35:37   (  -0.00,-104.73) (  -0.60,-107.28)  290.39                80
 04/26/2023   20:19:32   (  -0.00,-104.73) (   0.44,-102.75)  226.36                80
 04/28/2023   08:41:18   (   0.00,-104.74) (   0.71,-108.02)  373.63                80
 04/29/2023   08:19:51   (  -0.00,-104.74) (  -0.27,-103.48)  143.03                80
 04/30/2023   20:41:46   (  -0.00,-104.74) (  -0.92,-108.78)  461.25                80
 05/01/2023   20:25:40   (   0.00,-104.74) (   0.12,-104.25)   55.84                80
 05/04/2023   08:28:40   (  -0.00,-104.75) (   0.03,-104.99)   26.61                80
 05/05/2023   08:07:14   (  -0.00,-104.75) (  -0.96,-100.45)  490.18                80
 05/06/2023   20:29:08   (   0.01,-104.74) (  -0.21,-105.75)  114.65                80
 05/07/2023   20:13:01   (   0.02,-104.74) (   0.78,-101.21)  401.87                80
 05/09/2023   08:34:48   (  -0.02,-104.74) (   0.34,-106.49)  198.10                80