Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2020 12 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/31/2020   08:38:40   (  -0.08,-104.37) (   0.76,-108.04)  419.12                80
 01/01/2021   08:17:15   (  -0.07,-104.36) (  -0.25,-103.51)   96.76                80
 01/03/2021   20:20:27   (   0.08,-104.07) (   0.05,-104.28)   23.71                80
 01/04/2021   20:04:23   (   0.07,-104.07) (   1.06, -99.75)  492.74                80
 01/06/2021   08:26:11   (  -0.08,-104.35) (   0.09,-105.03)   77.14                80
 01/07/2021   08:04:46   (  -0.07,-104.35) (  -0.92,-100.50)  438.90                80
 01/08/2021   20:26:43   (   0.08,-104.06) (  -0.28,-105.80)  197.97                80
 01/09/2021   20:10:37   (   0.07,-104.05) (   0.67,-101.26)  318.30                80
 01/11/2021   08:29:47   (  -0.07,-104.34) (   0.42,-106.55)  251.24                80
 01/12/2021   08:11:02   (  -0.06,-104.34) (  -0.59,-102.02)  264.71                80