Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 3 18.  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)
 03/19/2021   03:55:17   (  -0.01,-137.20) (  -0.34,-138.76)  177.31                80
 03/20/2021   03:40:53   (  -0.00,-137.19) (   0.32,-135.89)  149.00                80
 03/21/2021   03:29:10   (  -0.00,-137.19) (   0.99,-133.03)  475.06                80
 03/22/2021   16:04:20   (   0.01,-137.18) (   0.87,-140.80)  413.62                80
 03/23/2021   15:52:38   (   0.01,-137.17) (   0.17,-137.95)   88.14                80
 03/24/2021   15:38:14   (   0.01,-137.15) (  -0.48,-135.08)  237.32                80
 03/27/2021   04:01:52   (  -0.02,-137.11) (  -0.72,-140.03)  334.02                80
 03/28/2021   03:50:08   (  -0.02,-137.09) (  -0.05,-137.16)    9.04                80
 03/29/2021   03:35:45   (  -0.02,-137.07) (   0.62,-134.30)  316.00                80
 03/31/2021   15:59:15   (   0.02,-137.02) (   0.53,-139.22)  251.31                80