Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 9 12.  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)
 09/12/2021   04:25:42   (   0.01,-137.20) (   0.00,-139.47)  253.42                80
 09/13/2021   04:13:48   (   0.01,-137.19) (   0.15,-136.48)   80.16                80
 09/14/2021   04:02:02   (   0.01,-137.18) (   0.82,-133.61)  407.06                80
 09/15/2021   16:31:56   (  -0.01,-137.17) (   0.98,-141.41)  483.92                80
 09/16/2021   16:20:11   (  -0.02,-137.16) (   0.30,-138.54)  157.29                80
 09/17/2021   16:11:06   (  -0.02,-137.15) (  -0.38,-135.67)  169.32                80
 09/18/2021   15:59:19   (  -0.02,-137.14) (  -1.01,-132.79)  495.91                80
 09/20/2021   04:29:13   (   0.02,-137.12) (  -0.77,-140.59)  396.33                80
 09/21/2021   04:17:28   (   0.02,-137.10) (  -0.10,-137.72)   69.87                80
 09/22/2021   04:08:22   (   0.02,-137.09) (   0.57,-134.85)  256.60                80
 09/24/2021   16:26:28   (  -0.02,-137.06) (   0.63,-139.75)  308.27                80
 09/25/2021   16:17:23   (  -0.02,-137.04) (  -0.06,-136.88)   17.74                80