Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 1 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/06/2021   08:26:12   (  -0.08,-104.36) (   0.05,-105.04)   76.17                80
 01/07/2021   08:04:47   (  -0.08,-104.36) (  -0.97,-100.51)  440.23                80
 01/08/2021   20:26:43   (   0.08,-104.08) (  -0.30,-105.79)  194.94                80
 01/09/2021   20:10:38   (   0.07,-104.08) (   0.72,-101.26)  321.63                80
 01/11/2021   08:29:46   (  -0.07,-104.37) (   0.43,-106.54)  248.45                80
 01/12/2021   08:11:02   (  -0.06,-104.36) (  -0.58,-102.01)  267.86                80
 01/13/2021   20:32:57   (   0.07,-104.08) (  -0.68,-107.30)  367.70                80
 01/14/2021   20:16:53   (   0.07,-104.08) (   0.34,-102.77)  148.86                80
 01/16/2021   08:36:02   (  -0.07,-104.37) (   0.75,-108.06)  420.65                80
 01/17/2021   08:19:58   (  -0.07,-104.37) (  -0.27,-103.53)   96.16                80
 01/19/2021   20:23:08   (   0.07,-104.10) (   0.04,-104.30)   21.67                80