Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 7 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/28/2021   08:18:04   (  -0.29,-104.12) (  -0.37,-103.66)   52.97                80
 07/30/2021   20:21:19   (   0.30,-104.36) (   0.28,-104.45)   10.10                80
 08/02/2021   08:27:03   (  -0.33,-104.15) (  -0.12,-105.20)  118.25                80
 08/03/2021   08:06:03   (  -0.31,-104.15) (  -1.11,-100.66)  398.15                56
 08/04/2021   20:27:37   (   0.35,-104.37) (  -0.02,-105.98)  183.54                80
 08/05/2021   20:11:33   (   0.34,-104.38) (   0.97,-101.44)  333.63                80
 08/07/2021   08:33:22   (  -0.37,-104.17) (   0.17,-106.72)  290.20                80
 08/08/2021   08:11:58   (  -0.36,-104.17) (  -0.81,-102.19)  225.97                80
 08/09/2021   20:33:56   (   0.39,-104.37) (  -0.31,-107.51)  357.60                80
 08/10/2021   20:17:52   (   0.38,-104.38) (   0.68,-102.97)  159.77                80