Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2020 8 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/04/2020   10:14:08   (  -0.01,-128.36) (   0.79,-131.82)  394.49                80
 08/05/2020   09:52:45   (  -0.01,-128.35) (  -0.26,-127.29)  120.57                80
 08/06/2020   22:14:41   (   0.00,-128.27) (  -0.98,-132.59)  492.26                80
 08/07/2020   21:58:38   (   0.00,-128.26) (   0.07,-128.07)   22.96                80
 08/10/2020   10:01:42   (   0.00,-128.28) (   0.12,-128.80)   59.12                80
 08/11/2020   09:40:17   (   0.00,-128.27) (  -0.88,-124.27)  455.31                80
 08/12/2020   22:02:14   (   0.00,-128.18) (  -0.31,-129.57)  158.84                80
 08/13/2020   21:46:10   (   0.00,-128.16) (   0.69,-125.04)  355.23                80
 08/15/2020   10:05:18   (  -0.01,-128.18) (   0.49,-130.31)  242.89                80
 08/16/2020   09:46:35   (  -0.01,-128.16) (  -0.56,-125.79)  270.69                80