Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2020 12 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)
 12/22/2020   06:23:00   (  -0.02, -75.18) (  -0.09, -74.91)   31.35                80
 12/24/2020   18:26:11   (   0.01, -75.22) (  -0.12, -75.68)   53.40                80
 12/25/2020   18:10:07   (  -0.01, -75.23) (   0.89, -71.15)  465.02                80
 12/27/2020   06:31:55   (   0.01, -75.26) (   0.27, -76.43)  133.13                80
 12/28/2020   06:10:31   (   0.02, -75.27) (  -0.74, -71.90)  384.75                80
 12/29/2020   18:32:28   (  -0.02, -75.30) (  -0.41, -77.21)  217.41                80
 12/30/2020   18:16:24   (  -0.02, -75.31) (   0.60, -72.68)  300.85                80
 01/01/2021   06:38:11   (   0.02, -75.34) (   0.62, -77.94)  296.67                80
 01/02/2021   06:16:46   (   0.01, -75.36) (  -0.40, -73.41)  221.49                80
 01/03/2021   18:38:44   (  -0.00, -75.39) (  -0.76, -78.73)  380.34                80
 01/04/2021   18:22:39   (   0.00, -75.42) (   0.26, -74.20)  138.34                80