Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 8 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 08/15/2021   07:07:28   (   0.02,-137.20) (   0.80,-133.53)  417.17                80
 08/15/2021   19:26:04   (  -0.02,-137.20) (   0.28,-138.69)  168.95                80
 08/17/2021   19:16:33   (  -0.02,-137.19) (  -0.33,-135.73)  166.11                80
 08/18/2021   07:35:17   (   0.02,-137.18) (  -0.80,-140.91)  425.04                80
 08/20/2021   07:25:47   (   0.03,-137.16) (  -0.12,-137.97)   91.01                80
 08/22/2021   07:10:56   (   0.02,-137.14) (   0.50,-135.01)  243.20                80
 08/22/2021   19:32:11   (  -0.02,-137.14) (   0.64,-140.15)  343.38                80
 08/24/2021   19:20:00   (  -0.02,-137.12) (   0.02,-137.19)    9.87                80
 08/26/2021   19:10:29   (  -0.02,-137.09) (  -0.60,-134.24)  324.18                80
 08/27/2021   07:31:53   (   0.02,-137.08) (  -0.46,-139.44)  267.04                80