Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 3 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/15/2021   18:10:05   (   0.04, -75.21) (   0.94, -71.18)  458.65                80
 03/17/2021   06:31:53   (  -0.04, -75.22) (   0.25, -76.45)  140.61                80
 03/18/2021   06:10:28   (  -0.04, -75.22) (  -0.79, -71.92)  376.57                80
 03/19/2021   18:32:24   (   0.04, -75.24) (  -0.43, -77.22)  226.43                80
 03/20/2021   18:16:19   (   0.04, -75.24) (   0.61, -72.69)  291.20                80
 03/22/2021   06:38:06   (  -0.03, -75.26) (   0.57, -77.96)  307.02                80
 03/23/2021   06:16:42   (  -0.03, -75.27) (  -0.47, -73.43)  210.60                80
 03/24/2021   18:38:37   (   0.02, -75.28) (  -0.75, -78.72)  392.02                80
 03/25/2021   18:22:33   (   0.01, -75.30) (   0.29, -74.20)  126.19                80
 03/27/2021   06:44:20   (  -0.01, -75.33) (   0.89, -79.46)  470.74                80
 03/28/2021   06:22:55   (  -0.01, -75.34) (  -0.09, -74.93)   47.47                80