Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 11 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/19/2021   20:22:34   (  -0.11,-104.17) (  -0.18,-104.51)   38.69                80
 11/20/2021   20:06:30   (  -0.12,-104.18) (   0.83, -99.98)  478.65                80
 11/22/2021   08:28:22   (   0.09,-104.41) (   0.26,-105.27)   97.41                80
 11/23/2021   08:06:57   (   0.11,-104.40) (  -0.69,-100.73)  417.98                80
 11/24/2021   20:28:56   (  -0.08,-104.15) (  -0.48,-106.04)  214.29                80
 11/25/2021   20:12:52   (  -0.09,-104.16) (   0.53,-101.51)  302.85                80
 11/27/2021   08:34:42   (   0.06,-104.43) (   0.61,-106.79)  269.93                80
 11/28/2021   08:13:19   (   0.08,-104.42) (  -0.40,-102.26)  245.64                80
 11/29/2021   20:35:16   (  -0.05,-104.15) (  -0.83,-107.56)  389.50                80
 11/30/2021   20:19:13   (  -0.06,-104.15) (   0.18,-103.03)  127.68                80