Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 6 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/01/2021   08:23:56   (  -0.10,-104.09) (   0.14,-105.08)  112.76                80
 07/02/2021   08:07:53   (  -0.08,-104.10) (  -0.90,-100.55)  404.11                80
 07/03/2021   20:27:11   (   0.12,-104.34) (  -0.24,-105.87)  174.65                80
 07/04/2021   20:11:08   (   0.11,-104.35) (   0.80,-101.35)  342.25                80
 07/06/2021   08:30:16   (  -0.15,-104.11) (   0.42,-106.61)  285.54                80
 07/07/2021   08:14:12   (  -0.13,-104.11) (  -0.61,-102.09)  231.07                80
 07/08/2021   20:33:31   (   0.17,-104.35) (  -0.52,-107.41)  348.43                80
 07/09/2021   20:17:26   (   0.15,-104.35) (   0.46,-102.87)  168.33                80
 07/11/2021   08:36:36   (  -0.19,-104.12) (   0.70,-108.15)  459.18                80
 07/12/2021   08:20:31   (  -0.18,-104.12) (  -0.28,-103.61)   57.29                80