Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 3 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/28/2022   21:46:24   (  -0.11,-128.35) (   0.65,-125.06)  375.77                80
 03/30/2022   10:08:11   (   0.11,-128.36) (   0.54,-130.32)  223.07                80
 03/31/2022   09:46:47   (   0.11,-128.38) (  -0.49,-125.79)  295.55                80
 04/01/2022   22:08:43   (  -0.11,-128.43) (  -0.68,-131.10)  303.75                80
 04/02/2022   21:52:37   (  -0.11,-128.45) (   0.30,-126.56)  214.87                80
 04/04/2022   10:14:25   (   0.11,-128.46) (   0.89,-131.83)  384.27                80
 04/05/2022   09:53:00   (   0.11,-128.47) (  -0.15,-127.30)  133.82                80
 04/06/2022   22:14:56   (  -0.11,-128.51) (  -1.01,-132.61)  466.76                80
 04/07/2022   21:58:51   (  -0.12,-128.52) (  -0.03,-128.07)   51.22                80
 04/10/2022   10:01:54   (   0.12,-128.53) (   0.18,-128.81)   31.25                80