Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 8 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/21/2021   18:27:15   (   0.13, -75.19) (  -0.04, -75.86)   76.74                80
 08/22/2021   18:11:12   (   0.13, -75.20) (   1.01, -71.34)  439.78                80
 08/24/2021   06:33:00   (  -0.14, -75.21) (   0.17, -76.61)  159.66                80
 08/25/2021   06:11:35   (  -0.14, -75.21) (  -0.82, -72.08)  357.26                80
 08/26/2021   18:33:33   (   0.14, -75.22) (  -0.36, -77.38)  247.11                80
 08/27/2021   18:17:29   (   0.14, -75.23) (   0.69, -72.86)  270.31                80
 08/29/2021   06:39:18   (  -0.15, -75.25) (   0.49, -78.13)  327.79                80
 08/30/2021   06:17:53   (  -0.15, -75.26) (  -0.50, -73.60)  189.61                80
 08/31/2021   18:39:50   (   0.16, -75.27) (  -0.68, -78.90)  414.42                80
 09/01/2021   18:23:47   (   0.16, -75.28) (   0.38, -74.38)  103.29                80