Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2020 9 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/02/2020   10:05:33   (  -0.13,-128.44) (   0.31,-130.36)  218.88                80
 10/03/2020   09:49:28   (  -0.13,-128.45) (  -0.73,-125.84)  298.05                80
 10/04/2020   22:11:24   (   0.13,-128.42) (  -0.48,-131.14)  309.52                80
 10/05/2020   21:49:59   (   0.13,-128.42) (   0.56,-126.61)  206.78                80
 10/07/2020   10:11:46   (  -0.13,-128.45) (   0.62,-131.88)  390.84                80
 10/08/2020   09:55:41   (  -0.14,-128.45) (  -0.37,-127.35)  125.15                80
 10/09/2020   22:17:36   (   0.13,-128.41) (  -0.83,-132.65)  483.42                80
 10/10/2020   21:56:12   (   0.14,-128.40) (   0.21,-128.12)   31.89                80
 10/13/2020   09:59:14   (  -0.14,-128.41) (  -0.02,-128.86)   52.10                80
 10/14/2020   09:43:09   (  -0.15,-128.40) (  -1.06,-124.33)  463.20                80