Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2020 1 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/22/2020   06:51:04   (   0.00,-128.43) (   0.61,-125.69)  311.48                80
 01/22/2020   19:15:00   (   0.00,-128.41) (   0.50,-130.85)  277.14                80
 01/24/2020   19:00:11   (   0.00,-128.39) (  -0.10,-127.90)   56.18                80
 01/26/2020   18:48:02   (   0.01,-128.38) (  -0.70,-124.95)  389.52                80
 01/27/2020   07:09:27   (  -0.01,-128.39) (  -0.41,-130.14)  199.92                80
 01/29/2020   06:59:59   (  -0.02,-128.37) (   0.25,-127.21)  133.29                80
 01/29/2020   19:21:15   (   0.02,-128.36) (   0.86,-132.36)  455.21                80
 01/31/2020   06:47:50   (  -0.02,-128.35) (   0.86,-124.26)  466.01                80
 01/31/2020   19:09:06   (   0.02,-128.34) (   0.25,-129.41)  122.67                80
 02/02/2020   18:54:17   (   0.02,-128.31) (  -0.35,-126.46)  209.22                80
 02/03/2020   07:15:42   (  -0.02,-128.31) (  -0.75,-131.66)  381.01                80