Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 8 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/06/2021   18:11:02   (   0.11, -75.22) (   0.98, -71.31)  444.96                80
 08/08/2021   06:30:10   (  -0.12, -75.20) (   0.22, -76.58)  157.77                80
 08/09/2021   06:14:07   (  -0.12, -75.20) (  -0.83, -72.06)  357.83                80
 08/10/2021   18:33:24   (   0.12, -75.19) (  -0.36, -77.36)  247.46                80
 08/11/2021   18:17:20   (   0.12, -75.19) (   0.63, -72.83)  268.69                80
 08/13/2021   06:36:29   (  -0.13, -75.19) (   0.51, -78.11)  332.61                80
 08/14/2021   06:20:24   (  -0.13, -75.19) (  -0.48, -73.57)  183.60                80
 08/15/2021   18:39:42   (   0.14, -75.19) (  -0.71, -78.88)  421.32                80
 08/16/2021   18:23:38   (   0.14, -75.19) (   0.34, -74.36)   95.05                80
 08/19/2021   06:26:43   (  -0.15, -75.19) (  -0.20, -75.10)   11.08                80