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)   99.22                80
 05/13/2022   09:42:46   (   0.11,-127.79) (  -0.71,-124.16)  414.05                80
 05/14/2022   22:02:01   (  -0.09,-127.75) (  -0.47,-129.46)  194.08                80
 05/15/2022   21:45:56   (  -0.10,-127.72) (   0.54,-124.92)  318.99                80
 05/17/2022   10:05:02   (   0.08,-127.64) (   0.63,-130.19)  289.81                80
 05/18/2022   09:48:55   (   0.09,-127.60) (  -0.32,-125.64)  222.41                80
 05/19/2022   22:08:11   (  -0.07,-127.54) (  -0.85,-130.94)  388.02                80
 05/20/2022   21:52:05   (  -0.08,-127.49) (   0.17,-126.40)  124.35                80
 05/22/2022   10:11:12   (   0.06,-127.42) (   1.01,-131.67)  484.44                80
 05/23/2022   09:55:06   (   0.07,-127.37) (  -0.01,-127.13)   27.80                80