Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 5 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/14/2021   08:23:17   (   0.12,-104.18) (   0.29,-104.94)   86.17                80
 05/15/2021   08:07:12   (   0.13,-104.18) (  -0.69,-100.40)  430.33                80
 05/16/2021   20:29:12   (  -0.12,-104.31) (  -0.41,-105.73)  160.45                80
 05/17/2021   20:07:47   (  -0.13,-104.30) (   0.57,-101.19)  354.92                80
 05/19/2021   08:29:35   (   0.11,-104.15) (   0.64,-106.46)  263.13                80
 05/20/2021   08:13:32   (   0.12,-104.15) (  -0.39,-101.93)  253.41                80
 05/21/2021   20:35:30   (  -0.10,-104.31) (  -0.75,-107.25)  335.17                80
 05/22/2021   20:14:06   (  -0.12,-104.30) (   0.23,-102.71)  180.34                80
 05/24/2021   08:35:54   (   0.09,-104.12) (   0.99,-107.98)  439.88                80
 05/25/2021   08:19:51   (   0.10,-104.12) (  -0.05,-103.45)   76.40                80
 05/27/2021   20:20:24   (  -0.09,-104.28) (  -0.11,-104.24)    5.26                80