Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 1 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/06/2021   06:44:26   (   0.01, -75.18) (   0.99, -79.45)  487.02                80
 01/07/2021   06:23:01   (   0.01, -75.18) (  -0.02, -74.92)   29.28                80
 01/09/2021   18:26:14   (  -0.00, -75.19) (  -0.11, -75.71)   58.65                80
 01/10/2021   18:10:10   (   0.00, -75.19) (   0.91, -71.18)  457.88                80
 01/12/2021   06:31:57   (  -0.00, -75.19) (   0.30, -76.44)  142.84                80
 01/13/2021   06:10:32   (  -0.00, -75.20) (  -0.71, -71.91)  373.91                80
 01/14/2021   18:32:30   (   0.00, -75.21) (  -0.43, -77.23)  229.17                80
 01/15/2021   18:16:25   (  -0.00, -75.22) (   0.59, -72.70)  288.43                80
 01/17/2021   06:38:13   (   0.00, -75.24) (   0.62, -77.96)  310.20                80
 01/18/2021   06:16:48   (   0.00, -75.25) (  -0.40, -73.43)  207.66                80