Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 3 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/11/2021   06:44:24   (  -0.03, -75.19) (   0.93, -79.47)  488.06                80
 03/12/2021   06:22:59   (  -0.03, -75.20) (  -0.10, -74.95)   28.91                80
 03/14/2021   18:26:10   (   0.02, -75.22) (  -0.08, -75.71)   56.20                80
 03/15/2021   18:10:06   (   0.02, -75.23) (   0.96, -71.19)  461.47                80
 03/17/2021   06:31:53   (  -0.02, -75.24) (   0.23, -76.45)  137.52                80
 03/18/2021   06:10:28   (  -0.03, -75.25) (  -0.75, -71.91)  380.16                80
 03/19/2021   18:32:24   (   0.02, -75.28) (  -0.41, -77.22)  221.58                80
 03/20/2021   18:16:19   (   0.02, -75.29) (   0.63, -72.70)  296.56                80
 03/22/2021   06:38:07   (  -0.01, -75.31) (   0.56, -77.96)  301.38                80
 03/23/2021   06:16:41   (  -0.01, -75.33) (  -0.42, -73.42)  216.75                80