Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 4 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)
 04/28/2021   08:23:05   (   0.15,-104.24) (   0.29,-104.90)   74.96                80
 04/29/2021   08:06:59   (   0.15,-104.24) (  -0.70,-100.36)  442.28                80
 04/30/2021   20:28:56   (  -0.14,-104.32) (  -0.45,-105.67)  153.58                80
 05/01/2021   20:07:30   (  -0.15,-104.31) (   0.55,-101.13)  362.28                80
 05/03/2021   08:29:17   (   0.15,-104.22) (   0.65,-106.39)  247.84                80
 05/04/2021   08:13:11   (   0.15,-104.22) (  -0.35,-101.85)  269.67                80
 05/05/2021   20:35:07   (  -0.14,-104.33) (  -0.80,-107.16)  323.22                80
 05/06/2021   20:13:42   (  -0.15,-104.32) (   0.20,-102.62)  193.27                80
 05/08/2021   08:35:29   (   0.14,-104.22) (   0.94,-107.89)  418.56                80
 05/09/2021   08:19:24   (   0.15,-104.22) (  -0.06,-103.36)   99.29                80
 05/10/2021   20:41:20   (  -0.13,-104.35) (  -1.07,-108.67)  491.06                80
 05/11/2021   20:19:55   (  -0.14,-104.35) (  -0.07,-104.13)   25.58                80