Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 3 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/05/2021   08:35:58   (   0.05,-104.40) (   0.84,-108.05)  414.65                80
 03/06/2021   08:19:52   (   0.05,-104.41) (  -0.14,-103.51)  102.67                80
 03/08/2021   20:23:03   (  -0.06,-104.27) (  -0.05,-104.27)    1.16                80
 03/11/2021   08:23:26   (   0.06,-104.42) (   0.20,-105.01)   67.51                80
 03/12/2021   08:07:22   (   0.06,-104.43) (  -0.83,-100.49)  450.21                80
 03/13/2021   20:29:17   (  -0.07,-104.31) (  -0.38,-105.78)  167.32                80
 03/14/2021   20:07:51   (  -0.06,-104.31) (   0.60,-101.24)  349.14                80
 03/16/2021   08:29:40   (   0.07,-104.45) (   0.53,-106.52)  235.63                80
 03/17/2021   08:13:35   (   0.06,-104.47) (  -0.51,-101.99)  282.34                80