Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 1 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/29/2021   19:33:09   (   0.03,-137.24) (  -0.30,-135.58)  188.45                80
 01/30/2021   07:54:33   (  -0.04,-137.23) (  -0.80,-140.77)  402.75                80
 02/01/2021   07:42:21   (  -0.04,-137.23) (  -0.13,-137.83)   67.09                80
 02/03/2021   07:27:28   (  -0.03,-137.22) (   0.48,-134.86)  268.16                80
 02/03/2021   19:48:43   (   0.03,-137.22) (   0.63,-140.02)  317.88                80
 02/05/2021   19:39:10   (   0.03,-137.20) (   0.01,-137.06)   16.33                80
 02/07/2021   19:26:57   (   0.02,-137.17) (  -0.60,-134.09)  349.58                80
 02/08/2021   07:48:21   (  -0.02,-137.16) (  -0.49,-139.29)  242.30                80
 02/10/2021   07:33:28   (  -0.01,-137.13) (   0.13,-136.33)   90.36                80
 02/10/2021   19:54:44   (   0.01,-137.12) (   0.91,-141.50)  496.61                80