Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 5 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/22/2021   18:32:24   (   0.01, -75.19) (  -0.45, -77.18)  228.23                80
 05/23/2021   18:16:21   (   0.02, -75.19) (   0.59, -72.66)  287.96                80
 05/25/2021   06:38:09   (  -0.02, -75.19) (   0.62, -77.93)  312.87                80
 05/26/2021   06:16:46   (  -0.02, -75.19) (  -0.42, -73.40)  203.49                80
 05/27/2021   18:38:43   (   0.02, -75.19) (  -0.78, -78.71)  400.96                80
 05/28/2021   18:22:39   (   0.02, -75.20) (   0.26, -74.19)  115.73                80
 05/30/2021   06:41:48   (  -0.02, -75.21) (   0.95, -79.45)  484.22                80
 05/31/2021   06:25:44   (  -0.01, -75.21) (  -0.09, -74.93)   32.92                80
 06/02/2021   18:26:17   (   0.01, -75.24) (  -0.12, -75.70)   52.57                80
 06/03/2021   18:10:14   (   0.00, -75.26) (   0.92, -71.18)  465.44                80
 06/05/2021   06:29:23   (  -0.01, -75.29) (   0.23, -76.45)  132.67                80