Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 2 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)
 02/10/2023   22:06:34   (  -0.06,-128.25) (  -0.33,-129.56)  148.25                80
 02/11/2023   21:45:10   (  -0.06,-128.25) (   0.69,-125.03)  367.66                80
 02/13/2023   10:06:57   (   0.06,-128.25) (   0.52,-130.28)  231.94                80
 02/14/2023   09:50:53   (   0.07,-128.24) (  -0.51,-125.75)  283.74                80
 02/15/2023   22:12:48   (  -0.07,-128.20) (  -0.73,-131.04)  323.52                80
 02/16/2023   21:51:23   (  -0.08,-128.19) (   0.31,-126.51)  191.40                80
 02/18/2023   10:13:11   (   0.08,-128.17) (   0.89,-131.77)  410.05                80
 02/19/2023   09:57:06   (   0.08,-128.15) (  -0.15,-127.24)  105.03                80
 02/21/2023   21:57:36   (  -0.09,-128.10) (  -0.08,-127.99)   12.66                80