Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 9 29.  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)
 09/29/2021   04:25:13   (   0.02,-137.20) (   0.00,-139.03)  203.70                 0
 09/30/2021   04:14:41   (   0.02,-137.19) (   0.27,-136.07)  128.22                80
 10/01/2021   04:02:55   (   0.02,-137.18) (   0.95,-133.20)  455.15                80
 10/02/2021   16:32:46   (  -0.02,-137.18) (   0.86,-140.98)  433.69                80
 10/03/2021   16:21:00   (  -0.02,-137.17) (   0.17,-138.11)  106.94                80
 10/04/2021   16:11:54   (  -0.02,-137.16) (  -0.47,-135.23)  219.80                80
 10/07/2021   04:30:05   (   0.02,-137.11) (  -0.71,-140.16)  348.50                80
 10/08/2021   04:18:19   (   0.02,-137.09) (  -0.03,-137.29)   22.51                80
 10/09/2021   04:09:14   (   0.02,-137.07) (   0.65,-134.42)  303.25                80
 10/11/2021   16:27:16   (  -0.02,-137.02) (   0.50,-139.31)  261.37                80
 10/12/2021   16:18:09   (  -0.02,-136.99) (  -0.14,-136.43)   63.76                80