Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 3 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/27/2022   22:02:29   (  -0.10,-128.33) (  -0.36,-129.59)  143.04                80
 03/28/2022   21:46:23   (  -0.11,-128.35) (   0.61,-125.05)  375.81                80
 03/30/2022   10:08:11   (   0.11,-128.36) (   0.52,-130.33)  222.96                80
 03/31/2022   09:46:46   (   0.11,-128.38) (  -0.45,-125.79)  295.69                80
 04/01/2022   22:08:42   (  -0.11,-128.43) (  -0.72,-131.09)  303.59                80
 04/02/2022   21:52:38   (  -0.11,-128.45) (   0.32,-126.57)  215.05                80
 04/04/2022   10:14:25   (   0.11,-128.46) (   0.87,-131.83)  384.00                80
 04/05/2022   09:53:01   (   0.11,-128.48) (  -0.17,-127.30)  134.12                80
 04/06/2022   22:14:56   (  -0.11,-128.51) (  -1.06,-132.60)  466.47                80
 04/07/2022   21:58:51   (  -0.12,-128.53) (  -0.02,-128.07)   51.50                80