Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 3 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/22/2021   06:38:06   (  -0.04, -75.21) (   0.58, -77.95)  313.07                80
 03/23/2021   06:16:42   (  -0.04, -75.21) (  -0.46, -73.43)  203.50                80
 03/24/2021   18:38:37   (   0.03, -75.20) (  -0.76, -78.72)  401.15                80
 03/25/2021   18:22:32   (   0.03, -75.21) (   0.23, -74.18)  115.99                80
 03/27/2021   06:44:19   (  -0.02, -75.23) (   0.95, -79.45)  482.15                80
 03/28/2021   06:22:54   (  -0.02, -75.23) (  -0.09, -74.92)   34.99                80
 03/30/2021   18:26:05   (   0.02, -75.24) (  -0.08, -75.69)   51.56                80
 03/31/2021   18:10:01   (   0.03, -75.25) (   0.96, -71.17)  466.07                80
 04/02/2021   06:31:48   (  -0.02, -75.28) (   0.21, -76.43)  131.23                80
 04/03/2021   06:10:23   (  -0.02, -75.29) (  -0.77, -71.90)  386.39                80