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   21:58:35   (  -0.16,-131.39) (   0.55,-128.16)  368.05                80
 04/12/2023   10:23:07   (   0.15,-132.18) (   0.47,-133.46)  146.89                80
 04/13/2023   10:01:45   (   0.16,-132.67) (  -0.70,-128.96)  422.81                80
 04/14/2023   22:26:25   (  -0.16,-133.38) (  -0.38,-134.29)  103.80                80
 04/15/2023   22:05:02   (  -0.17,-133.87) (   0.73,-129.78)  465.99                80
 04/17/2023   10:29:33   (   0.16,-134.66) (   0.28,-135.08)   49.33                80
 04/19/2023   22:32:51   (  -0.15,-135.85) (  -0.17,-135.91)    6.95                80
 04/22/2023   10:33:20   (   0.15,-137.11) (   0.05,-136.71)   46.28                80
 04/23/2023   22:57:59   (  -0.13,-137.81) (  -1.09,-142.04)  482.21                80