Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 7 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/06/2021   08:30:16   (  -0.15,-104.09) (   0.39,-106.62)  287.03                80
 07/07/2021   08:14:12   (  -0.13,-104.09) (  -0.59,-102.08)  229.35                80
 07/08/2021   20:33:31   (   0.17,-104.34) (  -0.49,-107.41)  349.60                80
 07/09/2021   20:17:27   (   0.16,-104.34) (   0.49,-102.87)  166.90                80
 07/11/2021   08:36:35   (  -0.19,-104.09) (   0.73,-108.14)  461.88                80
 07/12/2021   08:20:32   (  -0.18,-104.09) (  -0.30,-103.61)   54.40                80
 07/14/2021   20:21:05   (   0.19,-104.33) (   0.15,-104.40)    8.73                80
 07/17/2021   08:24:10   (  -0.21,-104.09) (   0.04,-105.14)  119.96                80
 07/18/2021   08:08:07   (  -0.19,-104.08) (  -1.00,-100.61)  396.22                80
 07/19/2021   20:27:25   (   0.23,-104.32) (  -0.13,-105.93)  183.93                80