Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 6 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/18/2023   00:07:07   (   0.09,-162.29) (   0.63,-159.82)  281.44                80
 06/19/2023   12:26:17   (  -0.12,-162.89) (   0.35,-165.13)  254.78                80
 06/20/2023   12:10:11   (  -0.10,-163.28) (  -0.68,-160.60)  304.71                80
 06/22/2023   00:29:28   (   0.14,-163.88) (  -0.33,-165.94)  235.61                80
 06/23/2023   00:13:24   (   0.11,-164.26) (   0.76,-161.43)  323.76                80
 06/24/2023   12:32:32   (  -0.15,-164.85) (   0.27,-166.72)  213.06                80
 06/25/2023   12:16:28   (  -0.13,-165.24) (  -0.82,-162.21)  345.95                80
 06/27/2023   00:35:44   (   0.16,-165.82) (  -0.24,-167.53)  195.36                80
 06/28/2023   00:19:40   (   0.14,-166.21) (   0.86,-163.02)  363.27                80
 06/29/2023   12:38:48   (  -0.18,-166.79) (   0.17,-168.32)  174.93                80
 06/30/2023   12:22:43   (  -0.16,-167.16) (  -0.93,-163.80)  382.89                80