Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 5 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/01/2021   18:25:53   (   0.02, -75.19) (  -0.10, -75.62)   49.56                80
 05/02/2021   18:09:49   (   0.02, -75.20) (   0.93, -71.10)  467.04                80
 05/04/2021   06:31:38   (  -0.02, -75.21) (   0.22, -76.38)  132.85                80
 05/05/2021   06:10:14   (  -0.02, -75.21) (  -0.75, -71.84)  384.03                80
 05/06/2021   18:32:12   (   0.01, -75.23) (  -0.41, -77.15)  219.16                80
 05/07/2021   18:16:09   (   0.01, -75.24) (   0.62, -72.63)  298.50                80
 05/09/2021   06:37:57   (  -0.01, -75.27) (   0.59, -77.90)  299.47                80
 05/10/2021   06:16:34   (  -0.01, -75.29) (  -0.44, -73.37)  218.24                80
 05/11/2021   18:38:31   (   0.01, -75.31) (  -0.77, -78.67)  384.28                80
 05/12/2021   18:22:27   (   0.01, -75.33) (   0.27, -74.15)  133.91                80
 05/14/2021   06:44:17   (  -0.01, -75.36) (   0.89, -79.43)  463.02                80