Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2020 10 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/14/2020   09:43:09   (  -0.14,-128.40) (  -1.06,-124.33)  464.52                80
 10/15/2020   22:05:04   (   0.14,-128.38) (  -0.14,-129.63)  142.60                80
 10/16/2020   21:43:39   (   0.14,-128.37) (   0.85,-125.09)  372.55                80
 10/18/2020   10:08:06   (  -0.13,-128.36) (   0.33,-130.36)  228.54                80
 10/19/2020   09:49:21   (  -0.14,-128.35) (  -0.72,-125.84)  286.43                80
 10/20/2020   22:11:17   (   0.13,-128.32) (  -0.47,-131.14)  321.48                80
 10/21/2020   21:49:51   (   0.14,-128.30) (   0.52,-126.61)  192.81                80
 10/23/2020   10:14:19   (  -0.13,-128.28) (   0.66,-131.88)  409.67                80
 10/24/2020   09:52:53   (  -0.14,-128.26) (  -0.33,-127.34)  104.70                80
 10/26/2020   21:56:03   (   0.14,-128.21) (   0.14,-128.11)   11.19                80