Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 2 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/15/2021   18:32:29   (   0.00, -75.17) (  -0.47, -77.23)  235.30                80
 02/16/2021   18:16:25   (   0.01, -75.17) (   0.56, -72.70)  281.55                80
 02/18/2021   06:38:12   (  -0.00, -75.18) (   0.65, -77.96)  318.44                80
 02/19/2021   06:16:47   (  -0.00, -75.18) (  -0.38, -73.44)  198.54                80
 02/20/2021   18:38:44   (  -0.01, -75.19) (  -0.79, -78.74)  404.50                80
 02/21/2021   18:22:39   (  -0.01, -75.20) (   0.24, -74.22)  112.80                80
 02/23/2021   06:44:26   (   0.00, -75.21) (   0.96, -79.48)  486.50                80
 02/24/2021   06:23:02   (  -0.00, -75.22) (  -0.07, -74.95)   30.68                80
 02/26/2021   18:26:13   (   0.01, -75.25) (  -0.12, -75.72)   54.60                80
 02/27/2021   18:10:08   (   0.01, -75.26) (   0.91, -71.19)  463.42                80