Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 5 1.  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   10:05:15   (   0.12,-128.14) (   0.62,-130.25)  240.71                80
 05/02/2022   09:49:10   (   0.12,-128.12) (  -0.39,-125.71)  273.52                80
 05/03/2022   22:08:26   (  -0.11,-128.10) (  -0.75,-131.02)  332.75                80
 05/04/2022   21:52:21   (  -0.12,-128.07) (   0.26,-126.49)  181.41                80
 05/06/2022   10:11:27   (   0.10,-128.01) (   0.93,-131.75)  425.54                80
 05/07/2022   09:55:21   (   0.11,-127.98) (  -0.08,-127.21)   88.11                80
 05/09/2022   21:58:31   (  -0.11,-127.92) (  -0.09,-127.98)    6.61                80
 05/12/2022   09:58:51   (   0.11,-127.82) (   0.33,-128.69)   99.55                80
 05/13/2022   09:42:46   (   0.11,-127.79) (  -0.69,-124.15)  413.60                80
 05/14/2022   22:02:01   (  -0.09,-127.74) (  -0.49,-129.46)  195.42                80