Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 7 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/28/2021   06:36:18   (  -0.10, -75.20) (   0.54, -78.08)  328.15                80
 07/29/2021   06:20:14   (  -0.10, -75.20) (  -0.44, -73.54)  188.25                80
 07/30/2021   18:39:32   (   0.11, -75.20) (  -0.69, -78.86)  416.24                80
 07/31/2021   18:23:28   (   0.11, -75.21) (   0.29, -74.32)  100.60                80
 08/02/2021   06:42:37   (  -0.12, -75.22) (   0.85, -79.60)  499.50                80
 08/03/2021   06:23:53   (  -0.12, -75.22) (  -0.13, -75.07)   17.40                80
 08/05/2021   18:27:06   (   0.13, -75.24) (  -0.01, -75.85)   69.80                80
 08/06/2021   18:11:03   (   0.13, -75.25) (   1.03, -71.33)  447.47                80
 08/08/2021   06:30:11   (  -0.14, -75.27) (   0.17, -76.60)  151.68                80
 08/09/2021   06:14:08   (  -0.14, -75.28) (  -0.88, -72.07)  365.79                80