Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 6 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/17/2021   06:48:39   (   0.10,-128.45) (   0.71,-125.64)  319.32                80
 06/17/2021   19:09:54   (  -0.10,-128.42) (   0.38,-130.80)  269.43                80
 06/19/2021   19:00:21   (  -0.10,-128.41) (  -0.25,-127.84)   64.63                80
 06/21/2021   18:48:07   (  -0.10,-128.38) (  -0.82,-124.87)  397.99                80
 06/22/2021   07:09:31   (   0.10,-128.40) (  -0.27,-130.07)  190.51                80
 06/24/2021   06:54:38   (   0.10,-128.36) (   0.37,-127.12)  141.62                80
 06/24/2021   19:15:53   (  -0.09,-128.32) (   0.73,-132.27)  449.15                80
 06/26/2021   06:42:25   (   0.11,-128.32) (   1.01,-124.16)  473.21                80
 06/26/2021   19:03:40   (  -0.10,-128.28) (   0.09,-129.32)  117.48                80
 06/28/2021   18:54:06   (  -0.11,-128.24) (  -0.49,-126.35)  214.19                80
 06/29/2021   07:15:29   (   0.11,-128.27) (  -0.59,-131.55)  373.04                80