Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 8 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/24/2021   06:33:00   (  -0.13, -75.20) (   0.16, -76.61)  160.48                80
 08/25/2021   06:14:16   (  -0.13, -75.19) (  -0.84, -72.08)  354.79                80
 08/26/2021   18:33:33   (   0.14, -75.17) (  -0.35, -77.38)  251.59                80
 08/27/2021   18:17:28   (   0.13, -75.17) (   0.64, -72.85)  264.12                80
 08/29/2021   06:39:17   (  -0.14, -75.16) (   0.54, -78.12)  337.05                80
 08/30/2021   06:17:53   (  -0.14, -75.16) (  -0.51, -73.60)  178.68                80
 08/31/2021   18:39:51   (   0.15, -75.15) (  -0.67, -78.90)  427.40                80
 09/01/2021   18:23:46   (   0.15, -75.15) (   0.33, -74.37)   88.62                80
 09/04/2021   06:24:10   (  -0.16, -75.15) (  -0.14, -75.10)    5.35                80
 09/06/2021   18:27:24   (   0.17, -75.15) (   0.02, -75.89)   84.22                80