Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 1 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/09/2021   18:26:14   (  -0.01, -75.19) (  -0.11, -75.71)   58.66                80
 01/10/2021   18:10:10   (  -0.01, -75.19) (   0.91, -71.18)  457.82                80
 01/12/2021   06:31:57   (   0.00, -75.19) (   0.30, -76.44)  143.27                80
 01/13/2021   06:10:33   (   0.00, -75.19) (  -0.71, -71.91)  373.40                80
 01/14/2021   18:32:30   (  -0.00, -75.21) (  -0.43, -77.23)  229.50                80
 01/15/2021   18:16:25   (  -0.01, -75.22) (   0.59, -72.70)  288.02                80
 01/17/2021   06:38:13   (   0.01, -75.23) (   0.62, -77.96)  311.03                80
 01/18/2021   06:16:48   (   0.01, -75.25) (  -0.39, -73.43)  206.74                80
 01/19/2021   18:38:45   (  -0.01, -75.27) (  -0.80, -78.73)  394.84                80
 01/20/2021   18:22:40   (  -0.01, -75.29) (   0.22, -74.20)  123.55                80