Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 1 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/22/2021   08:23:32   (  -0.07,-104.37) (   0.11,-105.04)   76.72                80
 01/23/2021   08:07:28   (  -0.06,-104.37) (  -0.91,-100.51)  439.87                80
 01/24/2021   20:29:23   (   0.06,-104.09) (  -0.34,-105.80)  194.72                80
 01/25/2021   20:07:59   (   0.06,-104.09) (   0.69,-101.27)  321.48                80
 01/27/2021   08:29:47   (  -0.05,-104.37) (   0.46,-106.55)  249.38                80
 01/28/2021   08:13:42   (  -0.05,-104.37) (  -0.56,-102.02)  267.03                80
 01/29/2021   20:35:38   (   0.04,-104.09) (  -0.68,-107.31)  367.09                80
 01/30/2021   20:14:13   (   0.04,-104.09) (   0.34,-102.78)  148.86                80
 02/01/2021   08:36:02   (  -0.04,-104.36) (   0.81,-108.06)  422.71                80
 02/02/2021   08:19:57   (  -0.04,-104.36) (  -0.21,-103.53)   93.82                80