Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 5 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/13/2022   09:42:46   (   0.11,-127.79) (  -0.71,-124.16)  414.09                80
 05/14/2022   22:02:01   (  -0.09,-127.76) (  -0.47,-129.46)  193.82                80
 05/15/2022   21:45:56   (  -0.10,-127.72) (   0.54,-124.92)  319.31                80
 05/17/2022   10:05:02   (   0.08,-127.64) (   0.63,-130.18)  289.50                80
 05/18/2022   09:48:55   (   0.09,-127.60) (  -0.32,-125.64)  222.77                80
 05/19/2022   22:08:11   (  -0.07,-127.54) (  -0.85,-130.94)  387.46                80
 05/20/2022   21:52:05   (  -0.08,-127.50) (   0.17,-126.40)  124.98                80
 05/22/2022   10:11:12   (   0.06,-127.42) (   1.00,-131.67)  483.80                80
 05/23/2022   09:55:05   (   0.07,-127.37) (   0.04,-127.12)   28.44                80
 05/25/2022   21:55:35   (  -0.07,-127.27) (  -0.18,-127.89)   70.19                80
 05/26/2022   21:39:28   (  -0.08,-127.23) (   0.79,-123.34)  442.21                80