Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 2 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 02/15/2021   07:54:21   (  -0.03,-137.22) (  -0.80,-140.76)  403.40                80
 02/17/2021   07:42:08   (  -0.03,-137.21) (  -0.17,-137.80)   67.78                80
 02/19/2021   07:27:15   (  -0.03,-137.20) (   0.46,-134.85)  267.16                80
 02/19/2021   19:48:30   (   0.03,-137.20) (   0.64,-140.00)  318.74                80
 02/21/2021   19:38:57   (   0.02,-137.18) (   0.01,-137.04)   15.20                80
 02/23/2021   19:26:44   (   0.01,-137.15) (  -0.63,-134.09)  348.07                80
 02/24/2021   07:45:28   (  -0.01,-137.13) (  -0.46,-139.28)  244.18                80
 02/26/2021   07:35:55   (  -0.00,-137.09) (   0.18,-136.32)   88.18                80
 02/26/2021   19:54:30   (   0.00,-137.09) (   0.92,-141.48)  498.50                80
 02/28/2021   07:23:41   (  -0.00,-137.05) (   0.76,-133.35)  420.15                80
 02/28/2021   19:42:16   (   0.00,-137.05) (   0.34,-138.51)  166.64                80