Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2020 4 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)
 04/16/2020   19:34:02   (   0.03,-137.17) (  -0.31,-135.68)  170.35                80
 04/17/2020   07:55:25   (  -0.03,-137.15) (  -0.84,-140.86)  422.62                80
 04/19/2020   07:43:13   (  -0.03,-137.12) (  -0.16,-137.91)   88.51                80
 04/21/2020   07:28:20   (  -0.02,-137.09) (   0.45,-134.94)  245.40                80
 04/21/2020   19:49:35   (   0.02,-137.10) (   0.66,-140.09)  339.61                80
 04/23/2020   19:37:22   (   0.02,-137.07) (   0.04,-137.13)    6.48                80
 04/25/2020   19:27:49   (   0.02,-137.03) (  -0.58,-134.16)  325.78                80
 04/26/2020   07:49:13   (  -0.02,-137.00) (  -0.51,-139.35)  267.61                80
 04/28/2020   07:34:20   (  -0.02,-136.94) (   0.12,-136.39)   63.41                80