Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 5 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 05/30/2021   19:25:28   (   0.03,-137.20) (  -0.63,-134.10)  352.18                80
 05/31/2021   07:44:12   (  -0.03,-137.18) (  -0.45,-139.30)  239.83                80
 06/02/2021   07:34:38   (  -0.03,-137.17) (   0.17,-136.34)   95.75                80
 06/02/2021   19:53:13   (   0.02,-137.18) (   0.91,-141.49)  489.72                80
 06/04/2021   07:22:24   (  -0.03,-137.16) (   0.80,-133.38)  431.13                80
 06/04/2021   19:40:59   (   0.02,-137.17) (   0.28,-138.53)  154.39                80
 06/06/2021   19:31:24   (   0.02,-137.15) (  -0.29,-135.56)  180.54                80
 06/07/2021   07:52:48   (  -0.02,-137.14) (  -0.79,-140.76)  411.53                80
 06/09/2021   07:40:34   (  -0.02,-137.11) (  -0.16,-137.80)   77.62                80
 06/11/2021   07:25:40   (  -0.01,-137.08) (   0.48,-134.84)  255.43                80
 06/11/2021   19:46:55   (   0.01,-137.08) (   0.60,-140.00)  330.96                80