Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 5 10.  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) (   0.31,-128.69)   99.38                80
 05/13/2022   09:42:46   (   0.11,-127.79) (  -0.71,-124.16)  413.78                80
 05/14/2022   22:02:01   (  -0.09,-127.75) (  -0.47,-129.46)  194.78                80
 05/15/2022   21:45:56   (  -0.10,-127.71) (   0.54,-124.92)  318.17                80
 05/17/2022   10:05:02   (   0.08,-127.63) (   0.64,-130.19)  290.57                80
 05/18/2022   09:48:55   (   0.09,-127.59) (  -0.32,-125.64)  221.54                80
 05/19/2022   22:08:11   (  -0.07,-127.53) (  -0.85,-130.94)  389.28                80
 05/20/2022   21:52:05   (  -0.08,-127.48) (   0.17,-126.41)  122.97                80
 05/22/2022   10:11:12   (   0.06,-127.40) (   1.01,-131.67)  485.80                80
 05/23/2022   09:55:05   (   0.07,-127.36) (   0.05,-127.12)   26.31                80