Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 1 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/12/2021   06:31:58   (  -0.02, -75.18) (   0.24, -76.45)  144.58                80
 01/13/2021   06:10:34   (  -0.02, -75.18) (  -0.78, -71.92)  371.86                80
 01/14/2021   18:32:30   (   0.02, -75.20) (  -0.43, -77.23)  231.29                80
 01/15/2021   18:16:25   (   0.02, -75.20) (   0.59, -72.70)  285.94                80
 01/17/2021   06:38:13   (  -0.03, -75.21) (   0.62, -77.96)  313.68                80
 01/18/2021   06:16:48   (  -0.03, -75.23) (  -0.40, -73.43)  203.96                80
 01/19/2021   18:38:46   (   0.03, -75.25) (  -0.74, -78.75)  397.81                80
 01/20/2021   18:22:41   (   0.03, -75.27) (   0.28, -74.22)  120.35                80
 01/22/2021   06:44:28   (  -0.03, -75.29) (   0.93, -79.48)  477.88                80
 01/23/2021   06:23:04   (  -0.04, -75.31) (  -0.09, -74.95)   40.33                80
 01/25/2021   18:26:17   (   0.04, -75.36) (  -0.02, -75.74)   42.83                80