Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 7 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)
 07/17/2021   08:24:10   (  -0.21,-104.10) (   0.02,-105.14)  117.66                80
 07/18/2021   08:08:06   (  -0.20,-104.10) (  -0.96,-100.60)  398.82                80
 07/19/2021   20:27:25   (   0.23,-104.34) (  -0.11,-105.93)  180.78                80
 07/20/2021   20:11:21   (   0.22,-104.35) (   0.87,-101.40)  335.88                80
 07/22/2021   08:30:30   (  -0.26,-104.11) (   0.29,-106.67)  291.68                80
 07/23/2021   08:14:26   (  -0.25,-104.10) (  -0.69,-102.14)  224.47                80
 07/24/2021   20:33:44   (   0.28,-104.33) (  -0.44,-107.45)  356.26                80
 07/25/2021   20:17:40   (   0.27,-104.34) (   0.60,-102.93)  160.82                80
 07/27/2021   08:39:29   (  -0.30,-104.12) (   0.62,-108.20)  464.60                80
 07/28/2021   08:18:04   (  -0.28,-104.12) (  -0.36,-103.66)   52.12                80