Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 4 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)
 04/23/2021   06:37:52   (  -0.02, -75.18) (   0.59, -77.88)  308.04                80
 04/24/2021   06:16:27   (  -0.02, -75.18) (  -0.41, -73.35)  208.74                80
 04/25/2021   18:38:23   (   0.02, -75.18) (  -0.75, -78.65)  395.75                80
 04/26/2021   18:22:18   (   0.02, -75.18) (   0.25, -74.12)  121.43                80
 04/28/2021   06:44:05   (  -0.02, -75.20) (   0.90, -79.39)  476.50                80
 04/29/2021   06:22:39   (  -0.02, -75.21) (  -0.10, -74.85)   40.58                80
 05/01/2021   18:25:50   (   0.02, -75.21) (  -0.05, -75.62)   46.22                80
 05/02/2021   18:09:45   (   0.02, -75.22) (   0.95, -71.08)  471.61                80
 05/04/2021   06:31:31   (  -0.01, -75.25) (   0.25, -76.34)  125.05                80
 05/05/2021   06:10:07   (  -0.01, -75.26) (  -0.80, -71.82)  393.12                80