Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 10 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/02/2021   18:42:41   (   0.09, -75.20) (  -0.73, -78.89)  420.21                80
 10/03/2021   18:23:35   (   0.10, -75.20) (   0.28, -74.35)   96.49                59
 10/06/2021   06:24:20   (  -0.10, -75.21) (  -0.12, -75.09)   13.00                80
 10/08/2021   18:30:12   (   0.09, -75.23) (  -0.07, -75.86)   72.21                80
 10/09/2021   18:08:49   (   0.10, -75.24) (   1.00, -71.34)  445.04                80
 10/11/2021   06:33:16   (  -0.09, -75.24) (   0.23, -76.60)  154.70                80
 10/12/2021   06:11:51   (  -0.10, -75.25) (  -0.78, -72.06)  362.38                80
 10/13/2021   18:36:29   (   0.09, -75.27) (  -0.35, -77.38)  239.53                80
 10/14/2021   18:15:04   (   0.10, -75.28) (   0.66, -72.85)  278.16                80