Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 7 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/14/2021   18:39:21   (   0.08, -75.18) (  -0.73, -78.82)  415.45                80
 07/15/2021   18:23:16   (   0.07, -75.18) (   0.25, -74.29)  101.60                80
 07/17/2021   06:42:25   (  -0.08, -75.19) (   0.91, -79.56)  498.93                80
 07/18/2021   06:26:22   (  -0.08, -75.20) (  -0.13, -75.04)   18.18                80
 07/20/2021   18:26:56   (   0.09, -75.22) (  -0.01, -75.82)   68.14                80
 07/21/2021   18:10:51   (   0.09, -75.23) (   0.97, -71.29)  449.20                80
 07/23/2021   06:30:01   (  -0.10, -75.24) (   0.18, -76.57)  150.67                80
 07/24/2021   06:13:56   (  -0.10, -75.25) (  -0.80, -72.03)  366.90                80
 07/25/2021   18:33:14   (   0.11, -75.28) (  -0.33, -77.35)  235.35                80
 07/26/2021   18:17:10   (   0.11, -75.30) (   0.66, -72.81)  283.06                80