Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 6 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/26/2021   08:20:18   (  -0.07,-104.09) (  -0.22,-103.56)   61.27                80
 06/28/2021   20:20:51   (   0.08,-104.33) (   0.05,-104.34)    3.44                80
 07/01/2021   08:23:56   (  -0.10,-104.10) (   0.14,-105.08)  111.94                80
 07/02/2021   08:07:53   (  -0.08,-104.10) (  -0.89,-100.55)  405.08                80
 07/03/2021   20:27:11   (   0.12,-104.35) (  -0.24,-105.87)  173.89                80
 07/04/2021   20:11:08   (   0.10,-104.36) (   0.79,-101.35)  343.17                80
 07/06/2021   08:30:16   (  -0.14,-104.12) (   0.44,-106.61)  283.98                80
 07/07/2021   08:14:12   (  -0.13,-104.13) (  -0.60,-102.09)  232.77                80
 07/08/2021   20:33:31   (   0.17,-104.37) (  -0.54,-107.40)  346.93                80
 07/09/2021   20:17:27   (   0.15,-104.37) (   0.50,-102.88)  169.96                80