Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 7 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/11/2021   08:36:36   (  -0.20,-104.09) (   0.70,-108.14)  461.53                80
 07/12/2021   08:20:31   (  -0.18,-104.09) (  -0.28,-103.61)   54.83                80
 07/14/2021   20:21:06   (   0.19,-104.34) (   0.18,-104.40)    7.40                80
 07/17/2021   08:24:11   (  -0.21,-104.09) (  -0.01,-105.14)  118.94                80
 07/18/2021   08:08:06   (  -0.20,-104.09) (  -0.98,-100.61)  397.37                80
 07/19/2021   20:27:25   (   0.23,-104.33) (  -0.15,-105.93)  182.45                80
 07/20/2021   20:11:21   (   0.22,-104.33) (   0.89,-101.40)  334.00                80
 07/22/2021   08:30:30   (  -0.26,-104.09) (   0.33,-106.67)  294.04                80
 07/23/2021   08:14:25   (  -0.25,-104.08) (  -0.65,-102.13)  221.91                80
 07/24/2021   20:33:44   (   0.28,-104.31) (  -0.42,-107.46)  358.99                80