Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 9 28.  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)
 09/28/2021   07:29:22   (   0.04,-137.20) (  -0.44,-139.45)  255.09                80
 09/30/2021   07:19:51   (   0.04,-137.19) (   0.16,-136.49)   79.67                80
 10/02/2021   07:07:41   (   0.03,-137.17) (   0.82,-133.54)  413.72                80
 10/02/2021   19:26:17   (  -0.03,-137.18) (   0.26,-138.70)  172.30                80
 10/04/2021   19:16:46   (  -0.03,-137.15) (  -0.34,-135.74)  161.27                80
 10/05/2021   07:38:10   (   0.03,-137.14) (  -0.79,-140.92)  430.71                80
 10/06/2021   19:04:35   (  -0.03,-137.13) (  -0.95,-132.78)  494.20                80
 10/07/2021   07:25:59   (   0.03,-137.11) (  -0.18,-137.96)   98.01                80
 10/09/2021   07:13:49   (   0.03,-137.07) (   0.49,-135.02)  233.95                80
 10/09/2021   19:32:24   (  -0.03,-137.07) (   0.65,-140.17)  352.81                80
 10/11/2021   19:20:13   (  -0.03,-137.02) (   0.03,-137.21)   22.10                80