Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 9 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/28/2021   18:17:41   (   0.11, -75.20) (   0.65, -72.85)  268.30                80
 09/30/2021   06:39:28   (  -0.10, -75.20) (   0.58, -78.11)  332.59                80
 10/01/2021   06:18:05   (  -0.11, -75.20) (  -0.49, -73.59)  184.08                80
 10/02/2021   18:42:41   (   0.11, -75.22) (  -0.72, -78.89)  418.33                80
 10/03/2021   18:23:56   (   0.11, -75.23) (   0.28, -74.36)   98.96                80
 10/06/2021   06:24:20   (  -0.11, -75.25) (  -0.13, -75.09)   17.09                80
 10/08/2021   18:30:13   (   0.11, -75.28) (  -0.01, -75.87)   66.85                80
 10/09/2021   18:08:49   (   0.11, -75.30) (   1.01, -71.34)  450.94                80
 10/11/2021   06:33:17   (  -0.10, -75.31) (   0.16, -76.61)  147.82                80