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

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/16/2021   18:23:38   (   0.12, -75.22) (   0.30, -74.35)   98.94                80
 08/19/2021   06:26:42   (  -0.13, -75.21) (  -0.17, -75.09)   13.42                80
 08/21/2021   18:27:15   (   0.14, -75.20) (  -0.03, -75.86)   76.11                80
 08/22/2021   18:11:12   (   0.14, -75.21) (   1.02, -71.34)  440.65                80
 08/24/2021   06:33:00   (  -0.15, -75.22) (   0.17, -76.61)  158.50                80
 08/25/2021   06:14:16   (  -0.14, -75.23) (  -0.83, -72.08)  358.70                80
 08/26/2021   18:33:33   (   0.15, -75.24) (  -0.36, -77.38)  245.23                80
 08/27/2021   18:17:29   (   0.15, -75.25) (   0.69, -72.86)  272.44                80
 08/29/2021   06:39:18   (  -0.15, -75.28) (   0.49, -78.13)  325.40                80