Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 5 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/03/2021   08:29:22   (   0.14,-104.21) (   0.62,-106.42)  251.12                80
 05/04/2021   08:13:18   (   0.15,-104.21) (  -0.35,-101.88)  265.57                80
 05/05/2021   20:35:16   (  -0.14,-104.32) (  -0.81,-107.19)  327.85                80
 05/06/2021   20:13:53   (  -0.15,-104.32) (   0.22,-102.67)  187.83                80
 05/08/2021   08:35:41   (   0.14,-104.20) (   0.99,-107.93)  425.92                80
 05/09/2021   08:19:38   (   0.15,-104.21) (  -0.04,-103.41)   91.09                80
 05/10/2021   20:41:36   (  -0.13,-104.34) (  -1.12,-108.73)  499.81                80
 05/11/2021   20:20:12   (  -0.14,-104.34) (  -0.08,-104.20)   16.17                80
 05/14/2021   08:23:17   (   0.13,-104.21) (   0.26,-104.94)   83.38                80
 05/15/2021   08:07:13   (   0.14,-104.21) (  -0.71,-100.41)  433.46                80