Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 2 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/18/2021   06:38:13   (  -0.02, -75.18) (   0.59, -77.98)  318.87                80
 02/19/2021   06:16:47   (  -0.01, -75.18) (  -0.38, -73.44)  198.19                80
 02/20/2021   18:38:44   (  -0.02, -75.18) (  -0.79, -78.74)  405.33                80
 02/21/2021   18:22:39   (  -0.01, -75.19) (   0.24, -74.21)  111.75                80
 02/23/2021   06:44:26   (   0.01, -75.20) (   0.97, -79.48)  487.28                80
 02/24/2021   06:23:02   (   0.00, -75.21) (  -0.06, -74.95)   29.70                80
 02/26/2021   18:26:13   (   0.00, -75.23) (  -0.13, -75.72)   56.60                80
 02/27/2021   18:10:08   (   0.00, -75.24) (   0.90, -71.19)  461.25                80
 03/01/2021   06:31:57   (  -0.01, -75.27) (   0.24, -76.47)  136.31                80
 03/02/2021   06:10:31   (  -0.00, -75.28) (  -0.73, -71.93)  381.63                80