Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 1 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/30/2021   20:14:13   (   0.05,-104.10) (   0.32,-102.78)  150.59                80
 02/01/2021   08:36:02   (  -0.04,-104.37) (   0.77,-108.07)  421.42                80
 02/02/2021   08:19:58   (  -0.05,-104.37) (  -0.25,-103.54)   95.40                80
 02/04/2021   20:23:08   (   0.04,-104.12) (  -0.02,-104.29)   20.35                80
 02/05/2021   20:01:43   (   0.04,-104.12) (   1.00, -99.76)  496.04                80
 02/07/2021   08:23:33   (  -0.04,-104.37) (   0.09,-105.05)   76.54                80
 02/08/2021   08:07:27   (  -0.03,-104.38) (  -0.87,-100.51)  440.20                80
 02/09/2021   20:29:22   (   0.02,-104.13) (  -0.36,-105.80)  191.07                80
 02/10/2021   20:07:58   (   0.02,-104.12) (   0.67,-101.27)  325.07                80
 02/12/2021   08:29:46   (  -0.02,-104.38) (   0.49,-106.55)  248.31                80
 02/13/2021   08:13:42   (  -0.02,-104.38) (  -0.54,-102.02)  268.84                80