Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 1 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/26/2021   18:59:32   (  -0.05,-127.76) (  -0.02,-127.80)    5.63                80
 01/28/2021   18:49:59   (  -0.04,-127.68) (  -0.62,-124.83)  323.36                80
 01/29/2021   07:08:44   (   0.08,-127.62) (  -0.42,-130.04)  274.58                80
 01/31/2021   06:59:11   (   0.08,-127.55) (   0.18,-127.08)   53.55                80
 02/02/2021   06:46:58   (   0.07,-127.47) (   0.79,-124.11)  381.45                80
 02/02/2021   19:05:34   (  -0.11,-127.49) (   0.26,-129.28)  203.34                80
 02/04/2021   18:56:01   (  -0.11,-127.40) (  -0.35,-126.32)  123.64                80
 02/05/2021   07:14:45   (   0.15,-127.33) (  -0.75,-131.51)  475.14                80
 02/06/2021   18:43:48   (  -0.10,-127.31) (  -0.96,-123.36)  449.95                80
 02/07/2021   07:02:32   (   0.14,-127.24) (  -0.14,-128.55)  148.93                80