Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 5 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/22/2022   10:11:12   (   0.06,-127.69) (   0.96,-131.68)  454.69                80
 05/23/2022   09:55:07   (   0.08,-127.73) (  -0.07,-127.14)   66.75                80
 05/25/2022   21:55:36   (  -0.07,-127.82) (  -0.07,-127.91)    9.93                80
 05/28/2022   09:58:37   (   0.05,-127.93) (   0.20,-128.65)   81.72                80
 05/29/2022   09:42:31   (   0.06,-127.96) (  -0.78,-124.10)  439.25                80
 05/30/2022   22:01:46   (  -0.04,-128.01) (  -0.37,-129.41)  160.12                80
 05/31/2022   21:45:41   (  -0.05,-128.04) (   0.66,-124.87)  360.78                80
 06/02/2022   10:04:47   (   0.02,-128.09) (   0.49,-130.14)  233.43                80
 06/03/2022   09:48:41   (   0.04,-128.12) (  -0.54,-125.61)  286.97                80