Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 2 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/10/2021   18:26:15   (   0.02, -75.17) (  -0.10, -75.73)   62.85                80
 02/11/2021   18:10:11   (   0.02, -75.17) (   0.93, -71.20)  453.57                80
 02/13/2021   06:31:58   (  -0.02, -75.17) (   0.28, -76.46)  147.62                80
 02/14/2021   06:10:33   (  -0.02, -75.17) (  -0.74, -71.93)  369.21                80
 02/15/2021   18:32:30   (   0.02, -75.19) (  -0.43, -77.24)  233.30                80
 02/16/2021   18:16:25   (   0.02, -75.20) (   0.60, -72.71)  284.13                80
 02/18/2021   06:38:13   (  -0.03, -75.21) (   0.61, -77.97)  315.56                80
 02/19/2021   06:16:48   (  -0.03, -75.22) (  -0.42, -73.45)  201.84                80
 02/20/2021   18:38:44   (   0.03, -75.24) (  -0.75, -78.75)  400.35                80
 02/21/2021   18:22:40   (   0.04, -75.25) (   0.28, -74.23)  117.39                80