Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 10 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/23/2021   06:46:23   (   0.35,-128.31) (   0.90,-125.68)  299.52                80
 10/23/2021   19:10:17   (  -0.34,-128.33) (   0.18,-130.84)  285.27                80
 10/25/2021   18:58:02   (  -0.34,-128.35) (  -0.42,-127.87)   54.44                80
 10/27/2021   18:45:49   (  -0.33,-128.38) (  -1.08,-124.92)  393.47                80
 10/28/2021   07:07:11   (   0.32,-128.38) (  -0.05,-130.11)  196.65                80
 10/30/2021   06:52:16   (   0.32,-128.39) (   0.56,-127.14)  141.88                80
 10/30/2021   19:16:11   (  -0.31,-128.40) (   0.52,-132.30)  443.54                80
 11/01/2021   06:40:02   (   0.32,-128.41) (   1.23,-124.19)  480.00                80
 11/01/2021   19:03:56   (  -0.31,-128.41) (  -0.09,-129.34)  105.47                80
 11/03/2021   18:49:02   (  -0.31,-128.42) (  -0.77,-126.39)  232.15                80
 11/04/2021   07:13:05   (   0.30,-128.42) (  -0.35,-131.57)  358.02                80