Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 6 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/03/2021   19:00:33   (  -0.08,-128.46) (  -0.24,-127.83)   72.55                80
 06/05/2021   18:48:20   (  -0.08,-128.48) (  -0.87,-124.87)  410.70                80
 06/06/2021   07:09:42   (   0.08,-128.48) (  -0.27,-130.05)  179.43                80
 06/08/2021   06:54:48   (   0.08,-128.49) (   0.36,-127.10)  157.89                80
 06/08/2021   19:16:03   (  -0.08,-128.48) (   0.72,-132.25)  429.00                80
 06/10/2021   06:42:34   (   0.08,-128.49) (   1.00,-124.14)  494.52                80
 06/10/2021   19:03:49   (  -0.09,-128.48) (   0.08,-129.30)   92.31                80
 06/12/2021   18:54:15   (  -0.09,-128.48) (  -0.55,-126.34)  243.62                80
 06/13/2021   07:15:38   (   0.09,-128.49) (  -0.58,-131.52)  345.46                80
 06/15/2021   07:03:24   (   0.10,-128.48) (   0.06,-128.56)   10.46                80