Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 9 11.  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   04:22:53   (   0.01,-137.20) (  -0.50,-139.36)  247.13                80
 09/13/2021   04:13:48   (   0.01,-137.19) (   0.17,-136.49)   80.06                80
 09/14/2021   04:02:03   (   0.01,-137.18) (   0.84,-133.62)  407.00                80
 09/15/2021   16:31:57   (  -0.01,-137.17) (   0.96,-141.41)  484.00                80
 09/16/2021   16:20:11   (  -0.02,-137.16) (   0.28,-138.55)  157.41                80
 09/17/2021   16:11:05   (  -0.02,-137.15) (  -0.35,-135.66)  169.22                80
 09/18/2021   15:59:19   (  -0.02,-137.14) (  -1.03,-132.80)  495.81                80
 09/20/2021   04:29:13   (   0.02,-137.12) (  -0.81,-140.58)  396.40                80
 09/21/2021   04:17:27   (   0.02,-137.10) (  -0.13,-137.71)   69.92                80
 09/22/2021   04:08:22   (   0.02,-137.09) (   0.54,-134.84)  256.52                80
 09/24/2021   16:26:29   (  -0.02,-137.06) (   0.60,-139.76)  308.34                80