Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 10 22.  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   06:46:22   (   0.35,-128.31) (   0.88,-125.67)  299.64                80
 10/23/2021   19:10:17   (  -0.34,-128.33) (   0.20,-130.83)  285.37                80
 10/25/2021   18:55:23   (  -0.34,-128.35) (  -0.46,-127.88)   54.36                80
 10/27/2021   18:45:48   (  -0.33,-128.38) (  -1.06,-124.91)  393.44                80
 10/28/2021   07:07:11   (   0.32,-128.38) (  -0.07,-130.10)  196.47                80
 10/30/2021   06:52:17   (   0.32,-128.40) (   0.60,-127.15)  142.11                80
 10/30/2021   19:16:11   (  -0.31,-128.40) (   0.54,-132.30)  443.52                80
 11/01/2021   06:40:02   (   0.32,-128.41) (   1.21,-124.18)  480.28                80
 11/01/2021   19:03:57   (  -0.31,-128.41) (  -0.13,-129.34)  105.39                80
 11/03/2021   18:49:02   (  -0.31,-128.42) (  -0.75,-126.38)  232.24                80
 11/04/2021   07:13:05   (   0.30,-128.42) (  -0.37,-131.57)  357.67                80