Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 4 28.  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) (   0.76,-108.01)  373.90                80
 04/29/2023   08:19:51   (   0.00,-104.73) (  -0.28,-103.48)  142.64                80
 04/30/2023   20:41:46   (   0.00,-104.73) (  -0.92,-108.78)  461.71                80
 05/01/2023   20:25:40   (   0.00,-104.73) (   0.12,-104.25)   55.28                80
 05/04/2023   08:28:40   (  -0.00,-104.74) (   0.03,-104.99)   27.61                80
 05/05/2023   08:07:14   (  -0.00,-104.74) (  -0.96,-100.45)  489.07                80
 05/06/2023   20:29:08   (   0.00,-104.73) (  -0.23,-105.75)  115.80                80
 05/07/2023   20:13:02   (   0.01,-104.73) (   0.82,-101.22)  400.62                80
 05/09/2023   08:34:48   (  -0.02,-104.73) (   0.36,-106.48)  199.75                80
 05/10/2023   08:13:21   (  -0.02,-104.72) (  -0.63,-101.94)  316.41                80
 05/11/2023   20:35:16   (   0.01,-104.70) (  -0.54,-107.25)  289.20                80