Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 4 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/04/2022   10:14:25   (   0.11,-128.40) (   0.88,-131.83)  391.09                80
 04/05/2022   09:53:00   (   0.11,-128.40) (  -0.16,-127.30)  125.79                80
 04/06/2022   22:14:55   (  -0.11,-128.42) (  -1.07,-132.59)  476.68                80
 04/07/2022   21:58:51   (  -0.12,-128.42) (  -0.03,-128.07)   40.07                80
 04/10/2022   10:01:53   (   0.12,-128.40) (   0.22,-128.80)   45.47                80
 04/11/2022   09:40:27   (   0.13,-128.40) (  -0.77,-124.26)  470.75                80
 04/12/2022   22:02:24   (  -0.13,-128.40) (  -0.39,-129.57)  132.80                80
 04/13/2022   21:46:18   (  -0.13,-128.40) (   0.60,-125.03)  383.43                80
 04/15/2022   10:08:05   (   0.13,-128.38) (   0.57,-130.30)  219.09                80
 04/16/2022   09:46:41   (   0.13,-128.37) (  -0.48,-125.77)  296.64                80