Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 4 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/29/2023   08:19:52   (  -0.00,-104.73) (  -0.30,-103.49)  142.61                80
 04/30/2023   20:41:46   (  -0.00,-104.73) (  -0.90,-108.78)  461.65                80
 05/01/2023   20:25:40   (  -0.00,-104.73) (   0.08,-104.24)   55.35                80
 05/04/2023   08:28:39   (  -0.00,-104.74) (   0.07,-104.98)   27.68                80
 05/05/2023   08:07:14   (  -0.01,-104.74) (  -0.98,-100.45)  488.78                80
 05/06/2023   20:29:08   (   0.02,-104.73) (  -0.21,-105.75)  116.27                80
 05/07/2023   20:13:02   (   0.02,-104.73) (   0.78,-101.21)  400.24                80
 05/09/2023   08:34:48   (  -0.02,-104.73) (   0.35,-106.49)  199.91                80
 05/10/2023   08:13:22   (  -0.01,-104.72) (  -0.64,-101.95)  316.28                80
 05/11/2023   20:35:16   (   0.01,-104.70) (  -0.53,-107.25)  289.47                80
 05/12/2023   20:19:10   (   0.01,-104.70) (   0.46,-102.71)  227.14                80