Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 9 21.  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)
 09/21/2021   04:20:09   (   0.02,-137.20) (   0.00,-137.74)   60.13                80
 09/22/2021   04:08:22   (   0.02,-137.20) (   0.56,-134.84)  268.84                80
 09/24/2021   16:26:29   (  -0.02,-137.20) (   0.58,-139.76)  292.00                80
 09/25/2021   16:17:23   (  -0.02,-137.20) (  -0.11,-136.89)   35.56                80
 09/26/2021   16:05:37   (  -0.02,-137.19) (  -0.74,-134.01)  362.82                80
 09/29/2021   04:23:47   (   0.02,-137.16) (  -0.39,-138.94)  203.14                80
 09/30/2021   04:14:41   (   0.02,-137.15) (   0.28,-136.07)  123.34                80
 10/01/2021   04:02:56   (   0.02,-137.14) (   0.96,-133.20)  449.64                80
 10/02/2021   16:32:46   (  -0.02,-137.12) (   0.86,-140.98)  440.34                80
 10/03/2021   16:21:00   (  -0.02,-137.10) (   0.22,-138.10)  114.13                80
 10/04/2021   16:11:53   (  -0.02,-137.08) (  -0.42,-135.22)  211.98                80