Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 4 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/01/2022   10:05:16   (   0.12,-128.14) (   0.59,-130.25)  240.68                80
 05/02/2022   09:49:10   (   0.12,-128.12) (  -0.42,-125.72)  273.54                80
 05/03/2022   22:08:26   (  -0.11,-128.10) (  -0.78,-131.02)  332.65                80
 05/04/2022   21:52:20   (  -0.12,-128.07) (   0.23,-126.48)  181.53                80
 05/06/2022   10:11:26   (   0.10,-128.01) (   0.96,-131.74)  425.37                80
 05/07/2022   09:55:21   (   0.11,-127.98) (  -0.05,-127.20)   88.31                80
 05/09/2022   21:55:51   (  -0.11,-127.92) (  -0.13,-127.97)    5.45                80
 05/12/2022   09:58:52   (   0.11,-127.83) (   0.30,-128.70)   99.14                80
 05/13/2022   09:42:46   (   0.11,-127.79) (  -0.71,-124.16)  413.99                80