Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2020 12 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)
 12/21/2020   06:44:24   (  -0.01, -75.17) (   0.93, -79.44)  485.59                80
 12/22/2020   06:22:59   (  -0.01, -75.18) (  -0.07, -74.91)   31.55                80
 12/24/2020   18:26:12   (  -0.00, -75.22) (  -0.08, -75.69)   53.43                80
 12/25/2020   18:10:08   (  -0.01, -75.23) (   0.93, -71.16)  464.57                80
 12/27/2020   06:31:55   (   0.01, -75.25) (   0.28, -76.42)  134.06                80
 12/28/2020   06:10:30   (   0.01, -75.26) (  -0.73, -71.89)  383.68                80
 12/29/2020   18:32:28   (  -0.01, -75.29) (  -0.42, -77.21)  218.52                80
 12/30/2020   18:16:23   (  -0.01, -75.30) (   0.59, -72.68)  299.56                80
 01/01/2021   06:38:12   (   0.01, -75.33) (   0.56, -77.95)  298.31                80
 01/02/2021   06:16:47   (   0.01, -75.35) (  -0.45, -73.42)  219.90                80