Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 10 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/09/2021   18:58:26   (  -0.37,-127.99) (  -0.41,-127.88)   12.74                80
 10/11/2021   18:46:12   (  -0.36,-128.05) (  -1.04,-124.93)  355.16                80
 10/12/2021   07:07:36   (   0.37,-128.07) (  -0.04,-130.12)  232.77                80
 10/14/2021   06:52:41   (   0.36,-128.12) (   0.54,-127.15)  109.32                80
 10/14/2021   19:13:56   (  -0.36,-128.12) (   0.55,-132.31)  476.94                80
 10/16/2021   06:40:27   (   0.35,-128.17) (   1.17,-124.20)  451.24                80
 10/16/2021   19:01:42   (  -0.36,-128.17) (  -0.09,-129.36)  134.92                80
 10/18/2021   18:52:08   (  -0.35,-128.22) (  -0.73,-126.40)  207.10                80
 10/19/2021   07:13:32   (   0.35,-128.25) (  -0.34,-131.60)  380.47                80
 10/21/2021   07:01:17   (   0.35,-128.30) (   0.25,-128.63)   38.92                80