Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 8 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)
 08/29/2021   06:39:17   (  -0.13, -75.20) (   0.51, -78.12)  332.22                80
 08/30/2021   06:17:53   (  -0.13, -75.21) (  -0.48, -73.59)  184.35                80
 08/31/2021   18:39:50   (   0.14, -75.22) (  -0.70, -78.89)  419.15                80
 09/01/2021   18:23:46   (   0.14, -75.23) (   0.35, -74.37)   97.76                80
 09/04/2021   06:24:10   (  -0.15, -75.24) (  -0.17, -75.11)   14.57                80
 09/06/2021   18:27:23   (   0.15, -75.27) (  -0.01, -75.88)   70.69                80
 09/07/2021   18:11:20   (   0.15, -75.28) (   1.05, -71.36)  447.13                80
 09/09/2021   06:33:08   (  -0.15, -75.30) (   0.12, -76.63)  151.53                80
 09/10/2021   06:11:43   (  -0.15, -75.31) (  -0.88, -72.10)  366.33                80
 09/11/2021   18:33:41   (   0.16, -75.34) (  -0.29, -77.41)  235.52                80