Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 4 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/03/2021   19:29:44   (   0.05,-137.20) (  -0.30,-135.57)  185.02                80
 04/04/2021   07:51:08   (  -0.05,-137.17) (  -0.80,-140.77)  408.54                80
 04/06/2021   07:38:55   (  -0.05,-137.13) (  -0.22,-137.80)   77.66                80
 04/08/2021   07:29:23   (  -0.04,-137.08) (   0.43,-134.85)  253.27                80
 04/08/2021   19:47:58   (   0.04,-137.09) (   0.68,-140.01)  332.65                80
 04/10/2021   19:35:46   (   0.04,-137.04) (   0.03,-137.06)    2.18                80
 04/12/2021   19:26:13   (   0.04,-136.99) (  -0.56,-134.10)  328.35                80
 04/13/2021   07:44:57   (  -0.04,-136.96) (  -0.54,-139.29)  265.57                80
 04/15/2021   07:35:24   (  -0.04,-136.90) (   0.05,-136.33)   63.89                80