Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 4 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/28/2023   08:41:17   (   0.00,-104.73) (   0.74,-108.01)  373.90                80
 04/29/2023   08:19:52   (   0.00,-104.73) (  -0.30,-103.49)  142.66                80
 04/30/2023   20:41:46   (  -0.00,-104.73) (  -0.90,-108.78)  461.73                80
 05/01/2023   20:25:40   (  -0.00,-104.73) (   0.09,-104.24)   55.30                80
 05/04/2023   08:28:40   (  -0.00,-104.74) (   0.06,-104.98)   27.48                80
 05/05/2023   08:07:14   (  -0.00,-104.74) (  -0.98,-100.45)  489.09                80
 05/06/2023   20:29:08   (   0.00,-104.73) (  -0.20,-105.75)  115.81                80
 05/07/2023   20:13:02   (   0.01,-104.73) (   0.79,-101.21)  400.64                80
 05/09/2023   08:34:47   (  -0.02,-104.73) (   0.39,-106.48)  199.71                80
 05/10/2023   08:13:22   (  -0.02,-104.72) (  -0.66,-101.95)  316.42                80