Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 8 22.  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   06:32:59   (  -0.14, -75.21) (   0.20, -76.60)  159.32                80
 08/25/2021   06:11:36   (  -0.13, -75.21) (  -0.85, -72.08)  357.64                80
 08/26/2021   18:33:33   (   0.14, -75.23) (  -0.34, -77.39)  246.00                80
 08/27/2021   18:17:29   (   0.14, -75.24) (   0.66, -72.85)  271.44                80
 08/29/2021   06:39:17   (  -0.14, -75.26) (   0.52, -78.12)  327.23                80
 08/30/2021   06:17:54   (  -0.14, -75.27) (  -0.53, -73.60)  190.18                80
 08/31/2021   18:39:51   (   0.15, -75.28) (  -0.66, -78.91)  413.16                80
 09/01/2021   18:23:46   (   0.15, -75.29) (   0.34, -74.37)  104.59                80
 09/03/2021   06:45:36   (  -0.16, -75.32) (   0.78, -79.65)  493.20                80
 09/04/2021   06:24:11   (  -0.16, -75.34) (  -0.21, -75.12)   24.62                80