Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 4 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/28/2021   08:23:05   (   0.15,-104.24) (   0.29,-104.90)   74.71                80
 04/29/2021   08:07:00   (   0.15,-104.24) (  -0.71,-100.36)  442.51                80
 04/30/2021   20:28:56   (  -0.15,-104.32) (  -0.45,-105.67)  153.81                80
 05/01/2021   20:07:30   (  -0.15,-104.31) (   0.55,-101.13)  362.01                80
 05/03/2021   08:29:17   (   0.15,-104.22) (   0.65,-106.39)  247.74                80
 05/04/2021   08:13:11   (   0.15,-104.22) (  -0.35,-101.85)  269.74                80
 05/05/2021   20:35:07   (  -0.15,-104.32) (  -0.80,-107.16)  323.56                80
 05/06/2021   20:13:42   (  -0.16,-104.32) (   0.20,-102.62)  192.88                80
 05/08/2021   08:35:29   (   0.14,-104.22) (   0.94,-107.89)  418.63                80
 05/09/2021   08:19:24   (   0.15,-104.22) (  -0.06,-103.36)   99.20                80