Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 11 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/13/2021   20:34:56   (  -0.11,-104.15) (  -0.87,-107.51)  382.47                80
 11/14/2021   20:18:52   (  -0.12,-104.16) (   0.14,-102.98)  135.13                80
 11/16/2021   08:40:44   (   0.10,-104.40) (   0.95,-108.27)  440.98                80
 11/17/2021   08:19:20   (   0.11,-104.39) (  -0.06,-103.74)   74.90                80
 11/19/2021   20:22:34   (  -0.10,-104.17) (  -0.17,-104.51)   38.25                80
 11/20/2021   20:06:31   (  -0.12,-104.18) (   0.84, -99.98)  479.29                80
 11/22/2021   08:28:21   (   0.09,-104.43) (   0.30,-105.26)   95.82                80
 11/23/2021   08:06:57   (   0.11,-104.42) (  -0.71,-100.73)  419.81                80
 11/24/2021   20:28:55   (  -0.08,-104.17) (  -0.52,-106.03)  212.76                80
 11/25/2021   20:12:51   (  -0.09,-104.18) (   0.49,-101.50)  304.59                80