Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 5 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/15/2021   08:07:13   (   0.13,-104.18) (  -0.73,-100.41)  430.36                80
 05/16/2021   20:29:11   (  -0.11,-104.31) (  -0.42,-105.72)  160.35                80
 05/17/2021   20:07:47   (  -0.13,-104.30) (   0.55,-101.19)  355.02                80
 05/19/2021   08:29:35   (   0.11,-104.15) (   0.66,-106.45)  263.01                80
 05/20/2021   08:13:32   (   0.12,-104.15) (  -0.38,-101.93)  253.56                80
 05/21/2021   20:35:30   (  -0.10,-104.31) (  -0.76,-107.25)  334.97                80
 05/22/2021   20:14:05   (  -0.12,-104.30) (   0.21,-102.71)  180.58                80
 05/24/2021   08:35:55   (   0.09,-104.13) (   0.94,-107.99)  439.60                80
 05/25/2021   08:19:50   (   0.10,-104.13) (  -0.04,-103.45)   76.71                80
 05/27/2021   20:23:05   (  -0.09,-104.28) (  -0.05,-104.25)    5.67                80