Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 10 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/15/2021   08:39:56   (   0.24,-104.28) (   1.11,-108.12)  437.48                80
 10/16/2021   08:18:32   (   0.26,-104.27) (   0.12,-103.59)   77.35                80
 10/18/2021   20:21:48   (  -0.24,-104.19) (  -0.27,-104.37)   20.30                80
 10/19/2021   20:05:45   (  -0.25,-104.21) (   0.72, -99.84)  497.35                80
 10/21/2021   08:27:36   (   0.23,-104.31) (   0.39,-105.13)   93.92                80
 10/22/2021   08:06:12   (   0.24,-104.30) (  -0.60,-100.60)  421.33                80
 10/23/2021   20:28:11   (  -0.22,-104.19) (  -0.59,-105.91)  195.60                80
 10/24/2021   20:12:07   (  -0.23,-104.20) (   0.40,-101.38)  321.82                80
 10/26/2021   08:33:58   (   0.20,-104.34) (   0.71,-106.67)  265.80                80
 10/27/2021   08:12:35   (   0.22,-104.33) (  -0.28,-102.14)  249.23                80
 10/28/2021   20:34:33   (  -0.18,-104.18) (  -0.90,-107.45)  372.10                80