Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 12 20.  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)
 12/22/2021   04:41:35   (   0.04,-137.18) (  -0.48,-139.53)  267.36                80
 12/23/2021   04:27:08   (   0.04,-137.18) (   0.16,-136.65)   60.35                80
 12/24/2021   04:15:20   (   0.04,-137.17) (   0.81,-133.77)  387.95                80
 12/26/2021   16:36:04   (  -0.03,-137.16) (   0.34,-138.67)  172.89                80
 12/27/2021   16:26:57   (  -0.03,-137.15) (  -0.35,-135.80)  154.18                80
 12/28/2021   16:15:10   (  -0.03,-137.14) (  -0.99,-132.92)  481.04                80
 12/30/2021   04:47:41   (   0.03,-137.10) (  -0.82,-140.70)  412.14                80
 12/31/2021   04:35:54   (   0.02,-137.08) (  -0.17,-137.82)   85.82                80
 01/01/2022   04:24:07   (   0.02,-137.05) (   0.54,-134.96)  240.43                80