Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 11 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/09/2021   20:12:30   (  -0.16,-104.17) (   0.44,-101.44)  310.30                80
 11/11/2021   08:34:22   (   0.13,-104.37) (   0.65,-106.74)  269.83                80
 11/12/2021   08:12:58   (   0.14,-104.36) (  -0.35,-102.21)  245.63                80
 11/13/2021   20:34:56   (  -0.11,-104.16) (  -0.88,-107.50)  382.22                80
 11/14/2021   20:18:52   (  -0.12,-104.17) (   0.12,-102.97)  135.56                80
 11/16/2021   08:40:43   (   0.09,-104.41) (   0.97,-108.27)  440.11                80
 11/17/2021   08:19:20   (   0.11,-104.40) (  -0.04,-103.74)   75.91                80
 11/19/2021   20:22:34   (  -0.10,-104.18) (  -0.18,-104.51)   37.00                80
 11/20/2021   20:06:30   (  -0.11,-104.20) (   0.83, -99.98)  480.70                80
 11/22/2021   08:28:22   (   0.09,-104.45) (   0.26,-105.27)   93.94                80