Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 4 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/06/2022   22:14:56   (  -0.11,-128.41) (  -1.05,-132.60)  476.75                80
 04/07/2022   21:58:51   (  -0.12,-128.42) (  -0.01,-128.07)   40.05                80
 04/10/2022   10:01:53   (   0.12,-128.40) (   0.20,-128.80)   45.72                80
 04/11/2022   09:40:28   (   0.13,-128.39) (  -0.79,-124.26)  470.49                80
 04/12/2022   22:02:24   (  -0.13,-128.40) (  -0.36,-129.57)  133.17                80
 04/13/2022   21:46:18   (  -0.13,-128.39) (   0.63,-125.03)  383.05                80
 04/15/2022   10:08:06   (   0.13,-128.37) (   0.54,-130.30)  219.50                80
 04/16/2022   09:46:40   (   0.13,-128.36) (  -0.46,-125.77)  296.19                80
 04/17/2022   22:08:36   (  -0.12,-128.36) (  -0.74,-131.06)  308.85                80
 04/18/2022   21:52:30   (  -0.13,-128.34) (   0.25,-126.53)  206.54                80