Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 5 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/07/2022   09:55:21   (   0.11,-127.98) (  -0.08,-127.21)   88.02                80
 05/09/2022   21:55:50   (  -0.11,-127.92) (  -0.15,-127.96)    6.63                80
 05/12/2022   09:58:51   (   0.11,-127.82) (   0.32,-128.69)   99.72                80
 05/13/2022   09:42:46   (   0.11,-127.78) (  -0.70,-124.16)  413.37                80
 05/14/2022   22:02:01   (  -0.09,-127.74) (  -0.47,-129.46)  195.63                80
 05/15/2022   21:45:55   (  -0.10,-127.70) (   0.54,-124.92)  317.23                80
 05/17/2022   10:05:02   (   0.08,-127.62) (   0.63,-130.19)  291.35                80
 05/18/2022   09:48:55   (   0.09,-127.58) (  -0.33,-125.64)  220.69                80
 05/19/2022   22:08:10   (  -0.07,-127.51) (  -0.83,-130.94)  390.49                80
 05/20/2022   21:52:04   (  -0.08,-127.47) (   0.13,-126.40)  121.70                80