Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 10 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)
 10/25/2021   18:55:23   (  -0.34,-128.36) (  -0.44,-127.88)   54.58                80
 10/27/2021   18:45:48   (  -0.33,-128.38) (  -1.04,-124.91)  393.65                80
 10/28/2021   07:07:12   (   0.32,-128.38) (  -0.03,-130.11)  196.84                80
 10/30/2021   06:52:17   (   0.32,-128.39) (   0.58,-127.14)  141.65                80
 10/30/2021   19:16:11   (  -0.31,-128.40) (   0.50,-132.31)  443.40                80
 11/01/2021   06:40:02   (   0.32,-128.41) (   1.19,-124.18)  479.78                80
 11/01/2021   19:03:57   (  -0.31,-128.42) (  -0.11,-129.34)  105.31                80
 11/03/2021   18:49:02   (  -0.31,-128.42) (  -0.73,-126.38)  232.25                80
 11/04/2021   07:13:04   (   0.30,-128.42) (  -0.39,-131.57)  358.28                80
 11/06/2021   07:00:49   (   0.30,-128.42) (   0.24,-128.60)   21.89                80