Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 5 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/12/2022   09:58:51   (   0.10,-127.82) (   0.30,-128.69)   99.24                80
 05/13/2022   09:42:46   (   0.11,-127.79) (  -0.71,-124.16)  413.96                80
 05/14/2022   22:02:01   (  -0.09,-127.75) (  -0.47,-129.46)  194.41                80
 05/15/2022   21:45:56   (  -0.10,-127.71) (   0.55,-124.92)  318.59                80
 05/17/2022   10:05:02   (   0.08,-127.64) (   0.63,-130.19)  290.17                80
 05/18/2022   09:48:56   (   0.09,-127.59) (  -0.32,-125.64)  221.98                80
 05/19/2022   22:08:11   (  -0.07,-127.53) (  -0.85,-130.94)  388.67                80
 05/20/2022   21:52:05   (  -0.08,-127.49) (   0.17,-126.41)  123.62                80
 05/22/2022   10:11:12   (   0.06,-127.41) (   1.01,-131.67)  485.15                80
 05/23/2022   09:53:35   (   0.08,-127.36) (   0.05,-127.12)   27.02                10