Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 8 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/05/2021   18:27:06   (   0.12, -75.23) (  -0.04, -75.84)   70.83                80
 08/06/2021   18:11:02   (   0.11, -75.23) (   1.00, -71.32)  445.85                80
 08/08/2021   06:30:11   (  -0.13, -75.23) (   0.19, -76.59)  155.39                80
 08/09/2021   06:14:07   (  -0.12, -75.23) (  -0.85, -72.06)  361.50                80
 08/10/2021   18:33:24   (   0.13, -75.25) (  -0.34, -77.37)  241.35                80
 08/11/2021   18:17:20   (   0.13, -75.26) (   0.65, -72.84)  276.11                80
 08/13/2021   06:39:09   (  -0.14, -75.27) (   0.48, -78.12)  323.68                80
 08/14/2021   06:20:25   (  -0.13, -75.28) (  -0.51, -73.58)  193.83                80
 08/15/2021   18:39:42   (   0.14, -75.31) (  -0.68, -78.89)  408.67                80
 08/16/2021   18:23:39   (   0.14, -75.32) (   0.37, -74.37)  109.01                80