Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 1 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/28/2021   18:50:00   (  -0.04,-127.69) (  -0.67,-124.85)  323.92                80
 01/29/2021   07:08:44   (   0.08,-127.63) (  -0.43,-130.04)  274.37                80
 01/31/2021   06:59:11   (   0.08,-127.55) (   0.18,-127.08)   54.01                80
 02/02/2021   06:46:58   (   0.07,-127.47) (   0.78,-124.11)  382.16                80
 02/02/2021   19:05:34   (  -0.11,-127.50) (   0.26,-129.28)  202.14                80
 02/04/2021   18:56:01   (  -0.11,-127.42) (  -0.35,-126.32)  125.10                80
 02/05/2021   07:14:45   (   0.15,-127.34) (  -0.75,-131.51)  474.06                80
 02/06/2021   18:43:48   (  -0.10,-127.33) (  -0.97,-123.36)  451.67                80
 02/07/2021   07:02:32   (   0.14,-127.25) (  -0.13,-128.55)  147.59                80
 02/09/2021   06:52:59   (   0.14,-127.16) (   0.49,-125.59)  178.38                80
 02/09/2021   19:11:35   (  -0.18,-127.18) (   0.55,-130.76)  406.08                80