Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 11 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/16/2021   08:40:44   (   0.10,-104.39) (   0.95,-108.27)  441.36                80
 11/17/2021   08:19:20   (   0.12,-104.39) (  -0.06,-103.74)   74.38                80
 11/19/2021   20:22:34   (  -0.10,-104.17) (  -0.17,-104.51)   38.78                80
 11/20/2021   20:06:31   (  -0.12,-104.18) (   0.84, -99.98)  478.64                80
 11/22/2021   08:28:21   (   0.09,-104.41) (   0.31,-105.26)   97.03                80
 11/23/2021   08:06:57   (   0.11,-104.41) (  -0.70,-100.73)  418.43                80
 11/24/2021   20:28:56   (  -0.08,-104.16) (  -0.47,-106.04)  214.04                80
 11/25/2021   20:12:51   (  -0.09,-104.17) (   0.48,-101.50)  303.18                80
 11/27/2021   08:34:43   (   0.06,-104.43) (   0.60,-106.79)  269.27                80
 11/28/2021   08:13:19   (   0.07,-104.43) (  -0.41,-102.27)  246.37                80
 11/29/2021   20:35:16   (  -0.05,-104.15) (  -0.82,-107.56)  388.89                80