Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 3 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 03/29/2021   06:49:45   (  -0.14,-128.31) (   0.45,-125.58)  311.15                80
 03/29/2021   19:10:59   (   0.13,-128.39) (   0.65,-130.74)  267.17                80
 03/31/2021   19:01:26   (   0.13,-128.37) (   0.00,-127.78)   66.63                80
 04/02/2021   18:49:13   (   0.13,-128.34) (  -0.64,-124.83)  399.64                80
 04/03/2021   07:10:36   (  -0.12,-128.25) (  -0.51,-130.01)  200.07                80
 04/05/2021   06:55:43   (  -0.12,-128.21) (   0.15,-127.05)  132.18                80
 04/05/2021   19:16:58   (   0.11,-128.27) (   0.95,-132.21)  447.68                80
 04/07/2021   06:43:29   (  -0.11,-128.18) (   0.74,-124.09)  464.42                80
 04/07/2021   19:04:45   (   0.11,-128.24) (   0.30,-129.26)  115.32                80
 04/09/2021   18:55:11   (   0.11,-128.20) (  -0.30,-126.29)  217.17                80
 04/10/2021   07:16:34   (  -0.10,-128.13) (  -0.84,-131.48)  381.47                80