Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 7 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/08/2021   20:33:31   (   0.17,-104.34) (  -0.51,-107.41)  349.43                80
 07/09/2021   20:17:27   (   0.16,-104.34) (   0.47,-102.87)  167.08                80
 07/11/2021   08:36:36   (  -0.19,-104.09) (   0.69,-108.15)  461.78                80
 07/12/2021   08:20:31   (  -0.18,-104.09) (  -0.29,-103.61)   54.50                80
 07/14/2021   20:23:04   (   0.19,-104.33) (   0.20,-104.41)    8.42                38
 07/17/2021   08:24:10   (  -0.21,-104.09) (   0.03,-105.13)  119.63                80
 07/18/2021   08:08:06   (  -0.19,-104.08) (  -0.95,-100.60)  396.59                80
 07/19/2021   20:27:25   (   0.23,-104.32) (  -0.12,-105.93)  183.36                80
 07/20/2021   20:11:20   (   0.22,-104.32) (   0.87,-101.40)  333.01                80