Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 2 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/14/2021   06:10:33   (  -0.01, -75.12) (  -0.74, -71.93)  364.06                80
 02/15/2021   18:32:30   (   0.01, -75.14) (  -0.43, -77.24)  238.31                80
 02/16/2021   18:16:24   (   0.01, -75.15) (   0.54, -72.70)  279.18                80
 02/18/2021   06:38:12   (  -0.02, -75.16) (   0.61, -77.97)  320.53                80
 02/19/2021   06:16:48   (  -0.02, -75.17) (  -0.42, -73.45)  196.92                80
 02/20/2021   18:38:44   (   0.02, -75.19) (  -0.75, -78.75)  405.14                80
 02/21/2021   18:22:39   (   0.02, -75.20) (   0.22, -74.21)  112.68                80
 02/23/2021   06:44:27   (  -0.03, -75.22) (   0.93, -79.49)  486.27                80
 02/24/2021   06:23:03   (  -0.03, -75.23) (  -0.10, -74.96)   31.50                80
 02/26/2021   18:26:13   (   0.04, -75.28) (  -0.08, -75.73)   51.91                80
 02/27/2021   18:10:09   (   0.04, -75.30) (   0.95, -71.20)  466.68                80