Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 8 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)
 08/09/2021   06:14:06   (  -0.11, -75.22) (  -0.80, -72.05)  360.76                80
 08/10/2021   18:33:25   (   0.12, -75.22) (  -0.33, -77.37)  244.01                80
 08/11/2021   18:17:20   (   0.12, -75.22) (   0.66, -72.84)  272.32                80
 08/13/2021   06:36:28   (  -0.13, -75.22) (   0.53, -78.10)  329.00                80
 08/14/2021   06:20:25   (  -0.12, -75.22) (  -0.52, -73.58)  187.42                80
 08/15/2021   18:39:42   (   0.13, -75.23) (  -0.67, -78.89)  416.94                80
 08/16/2021   18:23:38   (   0.13, -75.23) (   0.32, -74.35)   99.58                80
 08/19/2021   06:26:43   (  -0.14, -75.23) (  -0.18, -75.10)   15.37                80
 08/21/2021   18:27:15   (   0.15, -75.25) (  -0.01, -75.87)   71.23                80
 08/22/2021   18:11:12   (   0.15, -75.26) (   1.04, -71.35)  446.39                80