Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 11 20.  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)
 11/21/2021   19:16:44   (  -0.04,-137.21) (  -0.34,-135.72)  169.21                80
 11/22/2021   07:38:09   (   0.03,-137.20) (  -0.73,-140.92)  422.55                80
 11/24/2021   07:25:57   (   0.03,-137.18) (  -0.17,-137.95)   88.65                80
 11/26/2021   07:11:06   (   0.02,-137.15) (   0.46,-135.00)  244.82                80
 11/26/2021   19:32:22   (  -0.02,-137.15) (   0.61,-140.16)  341.43                80
 11/28/2021   19:20:11   (  -0.02,-137.12) (  -0.01,-137.20)    8.80                80
 11/30/2021   19:10:40   (  -0.01,-137.09) (  -0.65,-134.25)  323.60                80
 12/01/2021   07:32:04   (   0.01,-137.07) (  -0.48,-139.44)  268.67                80
 12/03/2021   07:17:12   (   0.01,-137.02) (   0.10,-136.47)   62.53                80