Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 5 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/09/2022   21:55:50   (  -0.11,-127.92) (  -0.15,-127.96)    6.34                80
 05/12/2022   09:58:51   (   0.11,-127.82) (   0.32,-128.69)   99.63                80
 05/13/2022   09:42:46   (   0.11,-127.78) (  -0.70,-124.16)  413.47                80
 05/14/2022   22:02:01   (  -0.09,-127.74) (  -0.48,-129.46)  195.45                80
 05/15/2022   21:45:55   (  -0.10,-127.70) (   0.54,-124.92)  317.42                80
 05/17/2022   10:05:02   (   0.08,-127.63) (   0.64,-130.18)  291.20                80
 05/18/2022   09:48:55   (   0.09,-127.58) (  -0.32,-125.64)  220.85                80
 05/19/2022   22:08:11   (  -0.07,-127.52) (  -0.84,-130.94)  390.28                80
 05/20/2022   21:52:05   (  -0.08,-127.47) (   0.18,-126.41)  121.91                80