Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2020 12 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/28/2020   20:32:56   (   0.08,-104.08) (  -0.64,-107.29)  365.46                80
 12/29/2020   20:16:51   (   0.07,-104.08) (   0.37,-102.76)  150.98                80
 12/31/2020   08:38:41   (  -0.08,-104.36) (   0.72,-108.05)  419.24                80
 01/01/2021   08:17:15   (  -0.07,-104.36) (  -0.23,-103.51)   96.62                80
 01/03/2021   20:20:27   (   0.07,-104.06) (   0.03,-104.28)   24.26                80
 01/04/2021   20:04:22   (   0.07,-104.06) (   1.04, -99.75)  492.03                80
 01/06/2021   08:26:12   (  -0.08,-104.35) (   0.05,-105.04)   77.75                80
 01/07/2021   08:04:47   (  -0.07,-104.34) (  -0.96,-100.51)  438.24                80
 01/08/2021   20:26:43   (   0.07,-104.05) (  -0.31,-105.79)  198.97                80
 01/09/2021   20:10:38   (   0.07,-104.04) (   0.71,-101.27)  317.19                80