Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 8 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/25/2021   07:08:21   (  -0.10,-128.31) (  -0.44,-130.02)  193.71                80
 08/27/2021   06:53:27   (  -0.09,-128.32) (   0.17,-127.06)  143.48                80
 08/27/2021   19:17:21   (   0.12,-128.24) (   0.98,-132.20)  450.81                80
 08/29/2021   06:41:13   (  -0.08,-128.33) (   0.78,-124.10)  480.26                80
 08/29/2021   19:05:08   (   0.12,-128.25) (   0.30,-129.26)  114.16                80
 08/31/2021   18:50:14   (   0.11,-128.24) (  -0.32,-126.29)  221.92                80
 09/01/2021   07:14:17   (  -0.14,-128.32) (  -0.83,-131.48)  358.86                80
 09/03/2021   07:02:03   (  -0.14,-128.32) (  -0.21,-128.52)   23.69                80
 09/05/2021   06:47:09   (  -0.13,-128.30) (   0.42,-125.56)  311.16                80
 09/05/2021   19:11:03   (   0.17,-128.21) (   0.67,-130.72)  284.11                80
 09/07/2021   18:56:09   (   0.15,-128.20) (   0.04,-127.76)   50.29                80