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)
 10/18/2021   20:21:48   (  -0.24,-104.19) (  -0.29,-104.37)   20.46                80
 10/19/2021   20:05:44   (  -0.25,-104.20) (   0.70, -99.84)  497.08                80
 10/21/2021   08:27:36   (   0.23,-104.30) (   0.41,-105.13)   94.50                80
 10/22/2021   08:06:12   (   0.25,-104.29) (  -0.58,-100.60)  420.63                80
 10/23/2021   20:28:10   (  -0.22,-104.19) (  -0.61,-105.91)  196.23                80
 10/24/2021   20:12:07   (  -0.23,-104.20) (   0.39,-101.38)  321.10                80
 10/26/2021   08:33:58   (   0.20,-104.33) (   0.73,-106.67)  266.81                80
 10/27/2021   08:12:35   (   0.22,-104.31) (  -0.27,-102.14)  248.12                80
 10/28/2021   20:34:33   (  -0.18,-104.17) (  -0.92,-107.45)  373.17                80
 10/29/2021   20:18:30   (  -0.19,-104.18) (   0.08,-102.92)  144.01                80