Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 4 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/22/2021   07:41:26   (  -0.04,-137.20) (  -0.17,-137.83)   71.25                80
 04/24/2021   07:26:33   (  -0.04,-137.20) (   0.44,-134.87)  264.65                80
 04/24/2021   19:47:48   (   0.04,-137.20) (   0.66,-140.03)  321.65                80
 04/26/2021   19:38:15   (   0.04,-137.19) (   0.04,-137.07)   13.84                80
 04/28/2021   19:26:02   (   0.04,-137.18) (  -0.59,-134.11)  347.90                80
 04/29/2021   07:47:26   (  -0.04,-137.17) (  -0.51,-139.31)  243.41                80
 05/01/2021   07:32:33   (  -0.03,-137.14) (   0.12,-136.35)   89.76                80
 05/01/2021   19:53:47   (   0.03,-137.14) (   0.98,-141.51)  497.42                80
 05/03/2021   07:20:20   (  -0.02,-137.11) (   0.76,-133.40)  422.43                80
 05/03/2021   19:41:34   (   0.02,-137.11) (   0.34,-138.55)  164.80                80