Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 12 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)
 12/28/2021   18:53:51   (  -0.07,-128.08) (  -0.11,-127.82)   29.89                80
 12/30/2021   18:41:37   (  -0.08,-128.13) (  -0.77,-124.87)  371.32                80
 12/31/2021   07:05:39   (   0.06,-128.14) (  -0.36,-130.05)  218.25                80
 01/02/2022   06:50:45   (   0.07,-128.18) (   0.31,-127.10)  122.27                80
 01/02/2022   19:14:39   (  -0.05,-128.19) (   0.82,-132.25)  462.25                80
 01/04/2022   06:38:30   (   0.06,-128.21) (   0.93,-124.14)  462.48                80
 01/04/2022   19:02:24   (  -0.05,-128.22) (   0.20,-129.29)  122.05                80
 01/06/2022   18:47:30   (  -0.05,-128.26) (  -0.48,-126.34)  218.36                80
 01/07/2022   07:11:33   (   0.04,-128.26) (  -0.64,-131.53)  371.26                80
 01/09/2022   06:59:18   (   0.03,-128.30) (  -0.00,-128.57)   30.98                80