Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 8 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/08/2022   21:50:20   (  -0.37,-128.05) (  -0.01,-126.56)  170.18                80
 08/10/2022   10:14:48   (   0.39,-128.09) (   1.22,-131.83)  426.25                80
 08/11/2022   09:53:25   (   0.38,-128.09) (   0.18,-127.31)   90.27                80
 08/13/2022   21:59:18   (  -0.39,-128.10) (  -0.39,-128.08)    2.86                80
 08/16/2022   10:02:22   (   0.39,-128.16) (   0.55,-128.82)   75.90                80
 08/17/2022   09:40:59   (   0.38,-128.16) (  -0.49,-124.30)  440.66                80
 08/18/2022   22:02:56   (  -0.39,-128.15) (  -0.69,-129.61)  165.54                80
 08/19/2022   21:46:52   (  -0.38,-128.16) (   0.29,-125.07)  351.47                80
 08/21/2022   10:08:41   (   0.39,-128.20) (   0.85,-130.35)  244.61                80