Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 10 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)
 10/16/2021   08:18:32   (   0.26,-104.27) (   0.12,-103.59)   77.21                80
 10/18/2021   20:21:48   (  -0.24,-104.19) (  -0.26,-104.38)   20.46                80
 10/19/2021   20:05:45   (  -0.25,-104.21) (   0.73, -99.84)  497.19                80
 10/21/2021   08:27:36   (   0.23,-104.30) (   0.39,-105.13)   94.31                80
 10/22/2021   08:06:12   (   0.24,-104.29) (  -0.61,-100.60)  420.92                80
 10/23/2021   20:28:11   (  -0.22,-104.19) (  -0.58,-105.91)  195.97                80
 10/24/2021   20:12:07   (  -0.23,-104.20) (   0.41,-101.38)  321.42                80
 10/26/2021   08:33:59   (   0.20,-104.33) (   0.70,-106.67)  266.39                80
 10/27/2021   08:12:35   (   0.22,-104.32) (  -0.29,-102.14)  248.60                80
 10/28/2021   20:34:33   (  -0.18,-104.18) (  -0.89,-107.45)  372.70                80
 10/29/2021   20:18:30   (  -0.19,-104.19) (   0.11,-102.92)  144.55                80