Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 7 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/03/2021   20:27:11   (   0.12,-104.34) (  -0.24,-105.87)  174.92                80
 07/04/2021   20:11:08   (   0.11,-104.34) (   0.79,-101.35)  341.79                80
 07/06/2021   08:30:16   (  -0.15,-104.10) (   0.43,-106.61)  286.83                80
 07/07/2021   08:14:12   (  -0.13,-104.09) (  -0.61,-102.09)  229.61                80
 07/08/2021   20:33:31   (   0.17,-104.34) (  -0.52,-107.40)  349.59                80
 07/09/2021   20:17:26   (   0.15,-104.34) (   0.46,-102.87)  167.00                80
 07/11/2021   08:36:35   (  -0.19,-104.09) (   0.70,-108.15)  461.37                80
 07/12/2021   08:20:31   (  -0.18,-104.09) (  -0.28,-103.61)   54.93                80
 07/14/2021   20:21:06   (   0.19,-104.33) (   0.20,-104.41)    8.24                80