Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 1 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/29/2021   07:08:44   (   0.08,-127.63) (  -0.44,-130.04)  274.37                80
 01/31/2021   06:59:11   (   0.08,-127.55) (   0.16,-127.07)   54.21                80
 02/02/2021   06:46:58   (   0.07,-127.48) (   0.77,-124.11)  382.48                80
 02/02/2021   19:05:34   (  -0.11,-127.51) (   0.28,-129.28)  201.55                80
 02/04/2021   18:56:01   (  -0.11,-127.42) (  -0.33,-126.32)  125.82                80
 02/05/2021   07:14:45   (   0.15,-127.35) (  -0.77,-131.51)  473.55                80
 02/06/2021   18:43:48   (  -0.10,-127.33) (  -0.95,-123.35)  452.53                80
 02/07/2021   07:02:32   (   0.14,-127.26) (  -0.15,-128.55)  146.94                80
 02/09/2021   06:52:59   (   0.14,-127.16) (   0.47,-125.59)  179.18                80
 02/09/2021   19:11:34   (  -0.18,-127.19) (   0.58,-130.75)  404.98                80
 02/11/2021   18:59:21   (  -0.17,-127.10) (  -0.04,-127.79)   78.83                80