Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 3 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/11/2021   08:23:26   (   0.07,-104.41) (   0.20,-105.01)   68.41                80
 03/12/2021   08:07:22   (   0.07,-104.42) (  -0.84,-100.49)  449.16                80
 03/13/2021   20:29:17   (  -0.08,-104.30) (  -0.38,-105.78)  168.03                80
 03/14/2021   20:07:52   (  -0.07,-104.30) (   0.60,-101.24)  348.27                80
 03/16/2021   08:29:40   (   0.08,-104.43) (   0.53,-106.52)  237.48                80
 03/17/2021   08:13:34   (   0.07,-104.45) (  -0.45,-101.98)  280.32                80
 03/18/2021   20:35:30   (  -0.08,-104.35) (  -0.77,-107.28)  334.40                80
 03/19/2021   20:14:05   (  -0.08,-104.34) (   0.27,-102.75)  181.74                80
 03/21/2021   08:35:53   (   0.09,-104.45) (   0.91,-108.01)  406.80                80
 03/22/2021   08:19:48   (   0.09,-104.46) (  -0.13,-103.49)  110.81                80