Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 1 22.  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) (   0.10,-105.04)   76.71                80
 01/23/2021   08:07:28   (  -0.06,-104.37) (  -0.92,-100.51)  439.84                80
 01/24/2021   20:29:23   (   0.06,-104.09) (  -0.33,-105.80)  194.73                80
 01/25/2021   20:07:59   (   0.06,-104.09) (   0.69,-101.27)  321.46                80
 01/27/2021   08:29:47   (  -0.05,-104.37) (   0.46,-106.55)  249.41                80
 01/28/2021   08:13:43   (  -0.05,-104.37) (  -0.57,-102.02)  266.99                80
 01/29/2021   20:35:38   (   0.04,-104.09) (  -0.68,-107.31)  367.12                80
 01/30/2021   20:14:13   (   0.04,-104.09) (   0.35,-102.78)  148.83                80
 02/01/2021   08:36:02   (  -0.04,-104.36) (   0.80,-108.06)  422.74                80
 02/02/2021   08:19:57   (  -0.04,-104.36) (  -0.22,-103.53)   93.76                80
 02/04/2021   20:23:08   (   0.04,-104.09) (   0.02,-104.30)   23.61                80