Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 4 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/02/2022   21:52:37   (  -0.11,-128.40) (   0.28,-126.55)  209.94                80
 04/04/2022   10:14:24   (   0.11,-128.40) (   0.91,-131.82)  391.02                80
 04/05/2022   09:53:00   (   0.11,-128.40) (  -0.13,-127.30)  125.91                80
 04/06/2022   22:14:56   (  -0.11,-128.42) (  -1.03,-132.60)  476.47                80
 04/07/2022   21:58:51   (  -0.12,-128.42) (  -0.05,-128.06)   40.33                80
 04/10/2022   10:01:52   (   0.12,-128.40) (   0.24,-128.79)   45.04                80
 04/11/2022   09:40:28   (   0.13,-128.40) (  -0.81,-124.27)  471.32                80
 04/12/2022   22:02:23   (  -0.13,-128.41) (  -0.40,-129.56)  132.15                80
 04/13/2022   21:46:19   (  -0.13,-128.40) (   0.65,-125.04)  384.16                80
 04/15/2022   10:08:05   (   0.13,-128.39) (   0.58,-130.30)  218.22                80