Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 3 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/17/2023   10:07:15   (   0.14,-127.53) (   0.73,-130.22)  305.87                80
 03/18/2023   09:51:12   (   0.15,-127.50) (  -0.27,-125.69)  206.34                80
 03/19/2023   22:10:30   (  -0.15,-127.48) (  -0.93,-130.99)  400.06                80
 03/20/2023   21:51:47   (  -0.15,-127.44) (   0.08,-126.46)  112.03                80
 03/22/2023   10:13:36   (   0.15,-127.34) (   1.12,-131.73)  499.57                80
 03/23/2023   09:57:32   (   0.15,-127.31) (   0.11,-127.20)   12.57                80
 03/25/2023   21:58:06   (  -0.15,-127.25) (  -0.33,-127.96)   82.31                80
 03/26/2023   21:42:03   (  -0.15,-127.20) (   0.68,-123.43)  429.37                80
 03/28/2023   10:01:12   (   0.15,-127.09) (   0.50,-128.70)  183.31                80
 03/29/2023   09:45:08   (   0.16,-127.05) (  -0.46,-124.16)  328.21                80