Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 4 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/02/2023   10:07:35   (   0.16,-128.18) (   0.63,-130.26)  236.87                80
 04/03/2023   09:51:32   (   0.17,-128.20) (  -0.40,-125.73)  281.45                80
 04/04/2023   22:10:49   (  -0.16,-128.26) (  -0.81,-131.03)  316.70                80
 04/05/2023   21:54:46   (  -0.16,-128.27) (   0.23,-126.50)  201.52                80
 04/07/2023   10:13:55   (   0.16,-128.26) (   0.92,-131.78)  400.26                80
 04/08/2023   09:57:50   (   0.16,-128.27) (  -0.06,-127.24)  117.40                80
 04/09/2023   22:17:09   (  -0.15,-128.32) (  -1.07,-132.55)  482.38                80
 04/10/2023   22:01:04   (  -0.16,-128.32) (  -0.09,-128.02)   34.86                80
 04/13/2023   10:01:28   (   0.16,-128.30) (   0.29,-128.74)   51.65                80
 04/14/2023   09:45:25   (   0.17,-128.30) (  -0.76,-124.22)  465.15                80