Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 8 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/07/2022   22:09:03   (  -0.39,-128.03) (  -1.07,-131.08)  347.37                80
 08/08/2022   21:53:00   (  -0.37,-128.05) (  -0.04,-126.56)  170.05                80
 08/10/2022   10:14:48   (   0.39,-128.09) (   1.24,-131.82)  426.39                80
 08/11/2022   09:53:24   (   0.38,-128.09) (   0.20,-127.30)   90.07                80
 08/13/2022   21:56:38   (  -0.38,-128.10) (  -0.36,-128.08)    3.43                80
 08/16/2022   10:02:23   (   0.39,-128.15) (   0.52,-128.83)   76.36                80
 08/17/2022   09:40:59   (   0.38,-128.16) (  -0.47,-124.29)  440.22                80
 08/18/2022   22:02:56   (  -0.39,-128.14) (  -0.72,-129.60)  166.05                80
 08/19/2022   21:46:52   (  -0.38,-128.15) (   0.32,-125.08)  350.90                80