Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2020 12 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/22/2020   07:48:44   (   0.01,-137.22) (  -0.46,-139.29)  236.02                80
 12/24/2020   07:33:53   (   0.01,-137.21) (   0.21,-136.35)   98.94                80
 12/24/2020   19:57:47   (  -0.01,-137.21) (   0.92,-141.50)  487.83                80
 12/26/2020   07:21:41   (   0.02,-137.20) (   0.82,-133.39)  433.18                80
 12/26/2020   19:42:57   (  -0.02,-137.19) (   0.25,-138.55)  153.82                80
 12/28/2020   19:33:25   (  -0.02,-137.17) (  -0.36,-135.59)  179.46                80
 12/29/2020   07:54:48   (   0.02,-137.16) (  -0.75,-140.78)  411.61                80
 12/31/2020   07:42:36   (   0.01,-137.13) (  -0.13,-137.83)   79.24                80
 01/02/2021   07:27:44   (   0.01,-137.09) (   0.49,-134.87)  252.56                80
 01/02/2021   19:48:59   (  -0.01,-137.07) (   0.63,-140.02)  335.28                80
 01/04/2021   19:36:47   (  -0.01,-137.03) (   0.01,-137.06)    4.35                80