Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 1 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/26/2022   09:46:53   (  -0.04,-128.34) (  -0.60,-125.79)  290.31                80
 01/27/2022   22:08:47   (   0.04,-128.34) (  -0.58,-131.09)  312.82                80
 01/28/2022   21:52:41   (   0.03,-128.33) (   0.42,-126.55)  203.38                80
 01/30/2022   10:14:26   (  -0.02,-128.30) (   0.76,-131.81)  399.49                80
 01/31/2022   09:52:59   (  -0.02,-128.29) (  -0.24,-127.27)  116.28                80
 02/01/2022   22:14:54   (   0.02,-128.28) (  -0.92,-132.57)  488.07                80
 02/02/2022   21:58:47   (   0.03,-128.27) (   0.08,-128.03)   27.70                80
 02/05/2022   10:01:46   (  -0.02,-128.23) (   0.10,-128.75)   59.28                80
 02/06/2022   09:40:20   (  -0.02,-128.22) (  -0.90,-124.21)  456.29                80
 02/07/2022   22:02:14   (   0.02,-128.21) (  -0.26,-129.51)  148.16                80
 02/08/2022   21:46:07   (   0.01,-128.19) (   0.75,-124.97)  367.40                80