Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2020 12 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/21/2020   08:26:09   (  -0.07,-104.37) (   0.05,-105.01)   72.60                80
 12/22/2020   08:04:43   (  -0.06,-104.36) (  -0.90,-100.47)  443.53                80
 12/23/2020   20:26:39   (   0.07,-104.09) (  -0.32,-105.77)  191.27                80
 12/24/2020   20:10:35   (   0.07,-104.10) (   0.69,-101.24)  325.62                80
 12/26/2020   08:32:24   (  -0.07,-104.38) (   0.40,-106.53)  244.72                80
 12/27/2020   08:11:00   (  -0.06,-104.37) (  -0.61,-102.00)  271.45                80
 12/28/2020   20:32:55   (   0.07,-104.09) (  -0.67,-107.28)  364.66                80
 12/29/2020   20:16:51   (   0.06,-104.09) (   0.35,-102.75)  151.87                80
 12/31/2020   08:38:40   (  -0.07,-104.38) (   0.75,-108.04)  418.00                80
 01/01/2021   08:17:15   (  -0.06,-104.37) (  -0.26,-103.51)   97.97                80