Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 1 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/08/2021   20:26:43   (   0.08,-104.08) (  -0.29,-105.80)  194.73                80
 01/09/2021   20:10:38   (   0.07,-104.09) (   0.72,-101.27)  321.88                80
 01/11/2021   08:29:46   (  -0.07,-104.37) (   0.43,-106.54)  248.43                80
 01/12/2021   08:11:02   (  -0.07,-104.36) (  -0.59,-102.01)  267.92                80
 01/13/2021   20:32:57   (   0.07,-104.08) (  -0.68,-107.30)  367.27                80
 01/14/2021   20:16:53   (   0.07,-104.09) (   0.34,-102.77)  149.32                80
 01/16/2021   08:36:02   (  -0.07,-104.37) (   0.75,-108.06)  420.44                80
 01/17/2021   08:19:58   (  -0.07,-104.38) (  -0.26,-103.53)   96.41                80
 01/19/2021   20:23:08   (   0.07,-104.11) (   0.03,-104.29)   20.98                80
 01/20/2021   20:04:24   (   0.07,-104.12) (   1.05, -99.76)  495.97                80