Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 9 13.  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)
 09/14/2021   04:02:03   (   0.00,-137.18) (   0.86,-133.62)  407.09                80
 09/15/2021   16:31:56   (  -0.01,-137.17) (   0.99,-141.41)  483.82                80
 09/16/2021   16:20:11   (  -0.02,-137.16) (   0.31,-138.54)  157.17                80
 09/17/2021   16:11:05   (  -0.02,-137.15) (  -0.37,-135.67)  169.43                80
 09/18/2021   15:59:20   (  -0.02,-137.14) (  -1.05,-132.80)  496.05                80
 09/20/2021   04:29:13   (   0.02,-137.12) (  -0.78,-140.59)  396.22                80
 09/21/2021   04:17:28   (   0.02,-137.10) (  -0.11,-137.72)   69.73                80
 09/22/2021   04:08:22   (   0.02,-137.09) (   0.56,-134.85)  256.72                80
 09/24/2021   16:26:29   (  -0.02,-137.06) (   0.58,-139.76)  308.06                80
 09/25/2021   16:17:23   (  -0.02,-137.04) (  -0.05,-136.88)   17.98                80
 09/26/2021   16:05:37   (  -0.02,-137.02) (  -0.74,-134.01)  343.81                80