Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 3 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)
 03/28/2021   08:07:15   (   0.12,-104.38) (  -0.75,-100.44)  448.20                80
 03/29/2021   20:29:11   (  -0.12,-104.31) (  -0.42,-105.75)  163.01                80
 03/30/2021   20:07:46   (  -0.12,-104.30) (   0.57,-101.21)  352.45                80
 04/01/2021   08:29:33   (   0.12,-104.36) (   0.60,-106.48)  242.03                80
 04/02/2021   08:13:29   (   0.12,-104.36) (  -0.45,-101.95)  274.89                80
 04/03/2021   20:35:24   (  -0.13,-104.31) (  -0.77,-107.25)  334.07                80
 04/04/2021   20:13:59   (  -0.13,-104.30) (   0.22,-102.71)  181.27                80
 04/06/2021   08:35:46   (   0.14,-104.33) (   0.95,-107.98)  415.86                80
 04/07/2021   08:19:41   (   0.14,-104.33) (  -0.04,-103.44)  101.34                80
 04/09/2021   20:20:11   (  -0.14,-104.31) (  -0.13,-104.21)   11.59                80