Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 3 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/17/2021   08:13:34   (   0.08,-104.44) (  -0.45,-101.98)  279.49                80
 03/18/2021   20:35:30   (  -0.09,-104.33) (  -0.77,-107.27)  335.95                80
 03/19/2021   20:14:05   (  -0.09,-104.32) (   0.26,-102.75)  179.95                80
 03/21/2021   08:35:52   (   0.10,-104.43) (   0.92,-108.01)  408.63                80
 03/22/2021   08:19:48   (   0.10,-104.44) (  -0.13,-103.49)  108.75                80
 03/24/2021   20:20:18   (  -0.11,-104.35) (  -0.11,-104.24)   11.75                80
 03/27/2021   08:23:21   (   0.11,-104.44) (   0.24,-104.98)   62.48                80
 03/28/2021   08:07:16   (   0.11,-104.44) (  -0.80,-100.46)  454.93                80
 03/29/2021   20:29:11   (  -0.12,-104.37) (  -0.41,-105.75)  157.02                80
 03/30/2021   20:07:46   (  -0.11,-104.36) (   0.57,-101.21)  358.67                80