Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 8 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/15/2021   18:39:42   (   0.12, -75.23) (  -0.70, -78.88)  415.56                80
 08/16/2021   18:23:37   (   0.12, -75.24) (   0.29, -74.35)  101.24                80
 08/18/2021   06:45:27   (  -0.13, -75.25) (   0.83, -79.63)  498.56                80
 08/19/2021   06:24:02   (  -0.13, -75.25) (  -0.16, -75.09)   18.28                80
 08/21/2021   18:27:16   (   0.14, -75.27) (   0.02, -75.88)   68.25                80
 08/22/2021   18:11:12   (   0.14, -75.29) (   1.01, -71.34)  449.62                80
 08/24/2021   06:33:00   (  -0.15, -75.32) (   0.17, -76.61)  148.02                80
 08/25/2021   06:11:36   (  -0.14, -75.34) (  -0.88, -72.09)  370.28                80
 08/26/2021   18:33:34   (   0.15, -75.36) (  -0.30, -77.40)  231.77                80
 08/27/2021   18:17:29   (   0.15, -75.38) (   0.70, -72.86)  287.00                80