Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 1 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/11/2021   08:29:47   (  -0.07,-104.36) (   0.41,-106.55)  248.62                80
 01/12/2021   08:11:02   (  -0.07,-104.36) (  -0.61,-102.02)  267.72                80
 01/13/2021   20:32:58   (   0.07,-104.08) (  -0.65,-107.31)  367.24                80
 01/14/2021   20:16:53   (   0.07,-104.09) (   0.36,-102.78)  149.30                80
 01/16/2021   08:36:02   (  -0.07,-104.37) (   0.73,-108.07)  420.69                80
 01/17/2021   08:19:58   (  -0.07,-104.37) (  -0.29,-103.54)   96.21                80
 01/19/2021   20:23:09   (   0.07,-104.11) (   0.05,-104.30)   21.15                80
 01/20/2021   20:04:24   (   0.07,-104.11) (   1.07, -99.77)  495.93                80
 01/22/2021   08:23:33   (  -0.07,-104.40) (   0.09,-105.05)   73.64                80
 01/23/2021   08:07:28   (  -0.06,-104.41) (  -0.93,-100.52)  443.35                80