Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2020 12 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 12/19/2020   15:46:57   (  -0.03,-137.23) (   0.82,-140.83)  411.94                80
 12/20/2020   15:35:15   (  -0.03,-137.23) (   0.14,-137.97)   85.61                80
 12/21/2020   15:26:12   (  -0.03,-137.22) (  -0.53,-135.12)  240.67                80
 12/24/2020   03:47:06   (   0.03,-137.21) (  -0.65,-140.05)  325.26                80
 12/25/2020   03:32:44   (   0.03,-137.20) (   0.02,-137.19)    0.71                80
 12/26/2020   03:21:19   (   0.02,-137.19) (   0.70,-134.33)  326.27                62
 12/28/2020   15:41:57   (  -0.01,-137.16) (   0.48,-139.28)  241.68                80
 12/29/2020   15:32:54   (  -0.01,-137.14) (  -0.20,-136.42)   83.42                80
 12/30/2020   15:21:11   (  -0.00,-137.13) (  -0.82,-133.55)  408.18                80
 01/01/2021   03:51:08   (   0.00,-137.09) (  -1.00,-141.35)  486.42                80