Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 2 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)
 02/17/2021   08:36:01   (   0.00,-104.38) (   0.81,-108.06)  418.80                80
 02/18/2021   08:19:56   (  -0.00,-104.39) (  -0.22,-103.53)   98.32                80
 02/20/2021   20:23:06   (  -0.00,-104.18) (  -0.03,-104.29)   12.37                80
 02/23/2021   08:23:30   (   0.01,-104.39) (   0.15,-105.04)   73.49                80
 02/24/2021   08:07:26   (   0.00,-104.39) (  -0.88,-100.51)  443.34                80
 02/25/2021   20:29:21   (  -0.01,-104.19) (  -0.34,-105.80)  182.79                80
 02/26/2021   20:07:56   (  -0.00,-104.19) (   0.63,-101.26)  332.92                80
 02/28/2021   08:29:44   (   0.01,-104.38) (   0.52,-106.54)  246.05                80
 03/01/2021   08:13:39   (   0.01,-104.39) (  -0.51,-102.01)  270.93                80
 03/02/2021   20:35:35   (  -0.01,-104.21) (  -0.70,-107.31)  352.99                80