Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2020 12 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/24/2020   18:26:12   (   0.02, -75.21) (  -0.08, -75.69)   54.55                80
 12/25/2020   18:10:08   (   0.00, -75.22) (   0.93, -71.16)  463.31                80
 12/27/2020   06:31:55   (   0.01, -75.24) (   0.28, -76.42)  135.32                80
 12/28/2020   06:10:30   (   0.02, -75.25) (  -0.73, -71.89)  382.24                80
 12/29/2020   18:32:28   (  -0.02, -75.27) (  -0.43, -77.21)  220.35                80
 12/30/2020   18:16:23   (  -0.02, -75.28) (   0.58, -72.68)  297.55                80
 01/01/2021   06:38:11   (   0.02, -75.31) (   0.63, -77.94)  300.55                80
 01/02/2021   06:16:46   (   0.01, -75.32) (  -0.38, -73.41)  217.27                80
 01/03/2021   18:38:43   (  -0.00, -75.35) (  -0.77, -78.72)  385.11                80
 01/04/2021   18:22:39   (   0.01, -75.37) (   0.25, -74.19)  133.22                80