Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 6 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)
 06/23/2021   18:32:48   (   0.05, -75.17) (  -0.43, -77.26)  238.61                80
 06/24/2021   18:16:45   (   0.04, -75.16) (   0.60, -72.73)  276.82                80
 06/26/2021   06:35:54   (  -0.05, -75.15) (   0.57, -78.01)  325.55                80
 06/27/2021   06:19:50   (  -0.05, -75.14) (  -0.40, -73.47)  190.21                80
 06/28/2021   18:39:08   (   0.06, -75.14) (  -0.73, -78.79)  415.06                80
 06/29/2021   18:23:04   (   0.05, -75.15) (   0.24, -74.25)  101.52                80
 07/01/2021   06:42:13   (  -0.06, -75.15) (   0.93, -79.53)  498.72                80
 07/02/2021   06:26:09   (  -0.06, -75.16) (  -0.11, -75.00)   18.20                80
 07/04/2021   18:26:43   (   0.07, -75.18) (  -0.05, -75.79)   68.72                80
 07/05/2021   18:10:39   (   0.06, -75.19) (   0.93, -71.25)  448.70                80