Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2020 10 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/07/2020   10:11:46   (  -0.13,-128.44) (   0.65,-131.87)  391.20                80
 10/08/2020   09:55:41   (  -0.13,-128.44) (  -0.39,-127.35)  124.77                80
 10/09/2020   22:17:36   (   0.13,-128.41) (  -0.81,-132.65)  482.91                80
 10/10/2020   21:56:11   (   0.14,-128.40) (   0.18,-128.11)   32.53                80
 10/13/2020   09:59:14   (  -0.14,-128.40) (  -0.04,-128.86)   52.40                80
 10/14/2020   09:43:08   (  -0.15,-128.39) (  -1.03,-124.33)  462.82                80
 10/15/2020   22:05:04   (   0.14,-128.35) (  -0.17,-129.63)  145.55                80
 10/16/2020   21:43:39   (   0.14,-128.34) (   0.88,-125.10)  369.24                80
 10/18/2020   10:05:27   (  -0.14,-128.34) (   0.30,-130.37)  231.88                80
 10/19/2020   09:49:21   (  -0.14,-128.32) (  -0.69,-125.84)  282.69                80