Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 3 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/13/2021   20:29:17   (  -0.08,-104.30) (  -0.39,-105.78)  168.42                80
 03/14/2021   20:07:51   (  -0.08,-104.29) (   0.59,-101.24)  347.71                80
 03/16/2021   08:29:40   (   0.08,-104.42) (   0.54,-106.52)  238.23                80
 03/17/2021   08:13:34   (   0.08,-104.44) (  -0.44,-101.98)  279.41                80
 03/18/2021   20:35:31   (  -0.09,-104.33) (  -0.72,-107.29)  335.69                80
 03/19/2021   20:14:05   (  -0.08,-104.33) (   0.26,-102.75)  180.28                80
 03/21/2021   08:35:52   (   0.09,-104.43) (   0.92,-108.01)  408.45                80
 03/22/2021   08:19:48   (   0.09,-104.44) (  -0.12,-103.49)  108.99                80
 03/24/2021   20:20:19   (  -0.10,-104.35) (  -0.06,-104.25)   12.22                80