Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 4 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/10/2023   21:58:36   (  -0.16,-131.39) (   0.57,-128.16)  368.22                80
 04/12/2023   10:23:07   (   0.15,-132.18) (   0.45,-133.46)  146.79                80
 04/13/2023   10:01:45   (   0.16,-132.67) (  -0.65,-128.95)  422.93                80
 04/14/2023   22:26:25   (  -0.16,-133.39) (  -0.36,-134.29)  103.41                80
 04/15/2023   22:05:02   (  -0.17,-133.87) (   0.75,-129.78)  466.42                80
 04/17/2023   10:29:34   (   0.16,-134.66) (   0.26,-135.09)   48.94                80
 04/19/2023   22:32:51   (  -0.15,-135.86) (  -0.15,-135.92)    6.43                80
 04/22/2023   10:33:20   (   0.15,-137.12) (   0.04,-136.71)   46.87                80
 04/23/2023   22:58:00   (  -0.13,-137.82) (  -1.09,-142.04)  481.42                80