Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 10 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/19/2021   18:21:26   (   0.05, -75.20) (   0.24, -74.36)   95.61                80
 10/22/2021   06:24:33   (  -0.04, -75.20) (  -0.05, -75.10)   10.69                80
 10/24/2021   18:30:28   (   0.03, -75.21) (  -0.15, -75.88)   77.20                80
 10/25/2021   18:09:05   (   0.04, -75.22) (   0.91, -71.36)  439.23                80
 10/27/2021   06:33:36   (  -0.03, -75.22) (   0.26, -76.64)  160.99                80
 10/28/2021   06:12:12   (  -0.03, -75.23) (  -0.73, -72.11)  355.45                80
 10/29/2021   18:36:51   (   0.03, -75.24) (  -0.46, -77.42)  247.95                80
 10/30/2021   18:15:27   (   0.03, -75.25) (   0.54, -72.89)  269.00                80
 11/01/2021   06:39:57   (  -0.02, -75.27) (   0.63, -78.17)  329.88                80