Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 12 4.  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)
 12/05/2021   04:38:24   (   0.04,-137.19) (  -0.60,-140.02)  322.28                80
 12/06/2021   04:26:37   (   0.03,-137.18) (   0.03,-137.13)    5.59                80
 12/07/2021   04:17:30   (   0.03,-137.18) (   0.72,-134.26)  332.83                80
 12/09/2021   16:35:30   (  -0.02,-137.16) (   0.46,-139.15)  227.61                80
 12/10/2021   16:26:24   (  -0.02,-137.15) (  -0.22,-136.27)   99.60                80
 12/11/2021   16:14:37   (  -0.02,-137.14) (  -0.89,-133.40)  426.75                80
 12/13/2021   04:44:33   (   0.02,-137.12) (  -0.93,-141.20)  466.06                80
 12/14/2021   04:32:45   (   0.02,-137.11) (  -0.29,-138.32)  139.00                80
 12/15/2021   04:23:39   (   0.01,-137.09) (   0.41,-135.45)  188.01                80
 12/17/2021   16:41:41   (  -0.00,-137.06) (   0.76,-140.34)  375.20                80