Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 12 14.  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)
 12/14/2021   04:35:26   (   0.05,-137.20) (  -0.24,-138.33)  129.11                80
 12/15/2021   04:21:00   (   0.05,-137.20) (   0.45,-135.46)  199.02                80
 12/17/2021   16:41:41   (  -0.04,-137.20) (   0.72,-140.35)  360.44                80
 12/18/2021   16:29:55   (  -0.03,-137.19) (   0.04,-137.48)   33.08                80
 12/19/2021   16:20:48   (  -0.03,-137.18) (  -0.64,-134.61)  294.12                80
 12/22/2021   04:38:54   (   0.02,-137.14) (  -0.54,-139.52)  271.85                80
 12/23/2021   04:29:47   (   0.01,-137.12) (   0.10,-136.64)   54.98                80
 12/24/2021   04:18:00   (   0.01,-137.10) (   0.80,-133.77)  381.57                80
 12/26/2021   16:36:04   (  -0.01,-137.07) (   0.36,-138.67)  182.46                80
 12/27/2021   16:26:58   (  -0.01,-137.05) (  -0.33,-135.80)  143.65                80