Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 10 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/28/2021   20:34:33   (  -0.19,-104.16) (  -0.92,-107.44)  373.43                80
 10/29/2021   20:18:30   (  -0.20,-104.17) (   0.07,-102.91)  143.69                80
 10/31/2021   08:40:21   (   0.17,-104.32) (   1.03,-108.20)  442.06                80
 11/01/2021   08:18:57   (   0.18,-104.31) (   0.03,-103.67)   72.96                80
 11/03/2021   20:22:12   (  -0.17,-104.16) (  -0.22,-104.45)   32.96                80
 11/04/2021   20:06:09   (  -0.18,-104.17) (   0.78, -99.92)  484.29                80
 11/06/2021   08:27:59   (   0.16,-104.33) (   0.38,-105.20)  100.10                80
 11/07/2021   08:06:36   (   0.17,-104.31) (  -0.62,-100.67)  414.65                80
 11/08/2021   20:28:34   (  -0.14,-104.13) (  -0.55,-105.98)  211.05                80
 11/09/2021   20:12:30   (  -0.15,-104.13) (   0.45,-101.45)  305.70                80