Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2020 4 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/16/2020   19:34:02   (   0.03,-137.18) (  -0.28,-135.67)  170.97                80
 04/17/2020   07:55:26   (  -0.03,-137.16) (  -0.81,-140.87)  421.61                80
 04/19/2020   07:43:13   (  -0.03,-137.14) (  -0.19,-137.90)   86.53                80
 04/21/2020   07:28:20   (  -0.03,-137.12) (   0.43,-134.93)  248.25                80
 04/21/2020   19:49:34   (   0.02,-137.13) (   0.68,-140.09)  336.64                80
 04/23/2020   19:37:22   (   0.02,-137.10) (   0.06,-137.12)    4.07                80
 04/25/2020   19:27:49   (   0.02,-137.07) (  -0.57,-134.16)  330.66                80
 04/26/2020   07:49:12   (  -0.02,-137.04) (  -0.52,-139.35)  262.40                80
 04/28/2020   07:34:19   (  -0.02,-137.00) (   0.12,-136.38)   69.56                80