Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 6 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/14/2022   09:42:46   (  -0.01,-128.34) (  -0.92,-124.18)  473.78                80
 06/15/2022   22:02:05   (   0.04,-128.36) (  -0.21,-129.50)  130.31                80
 06/16/2022   21:46:02   (   0.03,-128.37) (   0.80,-124.98)  387.50                80
 06/18/2022   10:05:12   (  -0.06,-128.40) (   0.34,-130.26)  211.71                80
 06/19/2022   09:49:08   (  -0.04,-128.41) (  -0.61,-125.72)  305.88                80
 06/20/2022   22:08:27   (   0.07,-128.42) (  -0.51,-131.05)  298.90                80
 06/21/2022   21:52:24   (   0.06,-128.44) (   0.51,-126.52)  218.95                80
 06/23/2022   10:11:34   (  -0.09,-128.47) (   0.63,-131.80)  379.87                80
 06/24/2022   09:55:29   (  -0.08,-128.47) (  -0.32,-127.26)  137.41                80
 06/25/2022   22:14:49   (   0.11,-128.47) (  -0.79,-132.59)  468.77                80
 06/26/2022   21:58:44   (   0.10,-128.48) (   0.17,-128.05)   48.46                80