Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 1 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/18/2021   07:27:38   (  -0.00,-137.21) (   0.51,-134.88)  266.03                80
 01/18/2021   19:48:53   (   0.00,-137.22) (   0.60,-140.03)  319.18                80
 01/20/2021   19:39:21   (   0.01,-137.22) (  -0.05,-137.08)   17.30                80
 01/22/2021   19:27:08   (   0.01,-137.22) (  -0.64,-134.11)  352.78                80
 01/23/2021   07:48:32   (  -0.01,-137.20) (  -0.46,-139.30)  238.86                80
 01/25/2021   07:33:40   (  -0.01,-137.19) (   0.19,-136.35)   95.84                80
 01/25/2021   19:54:55   (   0.02,-137.19) (   0.92,-141.51)  490.14                80
 01/27/2021   07:21:27   (  -0.02,-137.16) (   0.79,-133.39)  429.59                80
 01/27/2021   19:42:42   (   0.02,-137.17) (   0.32,-138.54)  156.53                80
 01/29/2021   19:33:10   (   0.02,-137.14) (  -0.34,-135.59)  176.45                80
 01/30/2021   07:54:33   (  -0.02,-137.12) (  -0.82,-140.77)  415.70                80