Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 5 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/05/2021   20:35:17   (  -0.14,-104.32) (  -0.80,-107.20)  328.04                80
 05/06/2021   20:13:53   (  -0.15,-104.31) (   0.24,-102.67)  187.46                80
 05/08/2021   08:35:41   (   0.14,-104.19) (   0.97,-107.94)  426.80                80
 05/09/2021   08:19:38   (   0.14,-104.20) (  -0.06,-103.41)   90.08                80
 05/11/2021   20:20:12   (  -0.14,-104.32) (  -0.12,-104.19)   14.76                80
 05/14/2021   08:23:17   (   0.13,-104.19) (   0.30,-104.93)   85.29                80
 05/15/2021   08:07:13   (   0.14,-104.19) (  -0.73,-100.41)  431.33                80
 05/16/2021   20:29:11   (  -0.12,-104.33) (  -0.42,-105.73)  159.21                80
 05/17/2021   20:07:47   (  -0.13,-104.32) (   0.56,-101.19)  356.30                80
 05/19/2021   08:29:35   (   0.12,-104.17) (   0.65,-106.46)  261.54                80